Researcher Information
researchmap URL
Research activity information
Papers
- Tomio IWASAKI; Yosuke KAWAHITO
Crystal-Orientation Control for Improving Adhesion and Wettability at PEEK-Resin/Al2O3 Interface
Journal of the Society of Materials Science, Japan, 15 Nov. 2025
74, 11, 699, 706
[Reviewed]
Last - Hitoshi Ozaki; Yosuke Kawahito; Michiko Mori; Masahito Shibata; Tsuyoshi Nakamura; Tatsuya Mase; Hiroyuki Yoshida; Hiroshi Kawakami; Muneo Hori
In-situ immobilization technique for radioactive cesium using laser technology for Fukushima Daiichi decommissioning
Materials & Design, Feb. 2025
252, 113766, 113766
[Reviewed]
Corresponding - Yosuke Kawahito; Hitoshi Ozaki; Michiko Mori; Yuya Kino; Tsuyoshi Nakamura; Hiroyuki Yoshida; Hiroshi Kawakami; Muneo Hori
〔Major achievements〕Ultra high power laser cutting of 1-m reinforced concrete with gravity
Optics and Lasers in Engineering, Jun. 2024
180, 108258
[Reviewed]
Lead, Corresponding - Mika Tei; Fumiyuki Soma; Ettore Barbieri; Yusaku Uga; Yosuke Kawahito
Non-destructive real-time monitoring of underground root development with distributed fiber optic sensing
Plant Methods, 29 Feb. 2024
20, 1 - Tomio IWASAKI; Yosuke KAWAHITO
Improvement of Adhesion and Wettability at PEEK-Resin/TiO<sub>2</sub> Interface by Use of Crystal-Orientation Control
Journal of the Society of Materials Science, Japan, 15 Feb. 2024
73, 2, 149, 156
[Reviewed] - S. Semboshi; R. Y. Umetsu; Y. Kawahito; H. Akai
A new type of half-metallic fully compensated ferrimagnet
Scientific Reports, 23 Jun. 2022
12, 1
[Reviewed] - Hitoshi Ozaki; Yoshihito Akao; Minh Quang Le; Hiroshi Kawakami; Jippei Suzuki; Yousuke Kawahito
Effect of laser cutting conditions on the cutting front profile observed by X-ray transmission in real time
Optics and Laser Technology, Mar. 2022
147 - Hiroshi Kawakami; Hiroaki Kuno; Yousuke Kawahito; Hongze Wang
Hardness enhancement by molten metal flow in laser remelting with an ultra-thin additional element coating
Journal of Materials Processing Technology, 01 Feb. 2021
288 - Yohei Matsui; Wataru Fujisaki; Junji Torimoto; Keiko Tanaka; Manabu Nishizawa; Masahiro Yamamoto; Shinsuke Kawagucci; Yasuhiro Shimane; Mika Tei; Katsuyuki Uematsu; Akihiro Tame; Yosuke Kawahito; Toshihiro Kameda
Gold-coated silver capsule for elemental analyzer-isotope ratio mass spectrometer: Robust against pretreatment of rock material for organic carbon and δ<sup>13</sup>C analyses
GEOCHEMICAL JOURNAL, 2021
55, 3, e1, e8
[Reviewed] - Muhammad Naveed AKRAM; Mahendra Kumar PAL; Lalith MADDEGEDARA; Yosuke KAWAHITO; Toshihiro Kameda; Muneo HORI
MODELING OF THERMAL SHRINKAGE INDUCED-CRACKING IN BRITTLE MATERIAL USING PARTICLE DISCRETIZATION SCHEME FINITE ELEMENT METHOD
Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM)), 2021
77, 2, I_205, I_215
[Reviewed] - Satoshi Semboshi; Hiroshi Nakamura; Yosuke Kawahito; Yasuyuki Kaneno; Takayuki Takasugi
Unidirectional crystal orientation of dual-phase ni3 al-based alloy via laser irradiation
Metals, Aug. 2020
10, 8, 1, 10 - K. Maeda; R. Suzuki; T. Suga; Y. Kawahito
Investigating delayed cracking behaviour in laser welds of high strength steel sheets using an X-ray transmission in-situ observation system
Science and Technology of Welding and Joining, Jul. 2020
25, 5, 377, 382
[Reviewed] - Takuya Wada; Yoshiaki Morisada; Yufeng Sun; Hidetoshi Fujii; Yousuke Kawahito; Muneo Matsushita; Rinsei Ikeda
Friction Stir Welding of Medium Carbon Steel with Laser-Preheating
ISIJ International, Jan. 2020
60, 1, 153, 159
[Reviewed] - Yousuke Kawahito; Hongze Wang
In-situ Observation of Laser Manufacturing with X-ray Technique
Synchrotron Radiation News, 04 Mar. 2019
32, 2, 14, 19 - Wang Hongze; Kawahito Yousuke; Nishimoto Koji
A Laser Joining System for Titanium and Polyethylene Terephthalate Plastic Controlled by Multiple Signal Sources
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, Feb. 2019
66, 2, 1255, 1263
[Reviewed] - Sano, T.; Eimura, T.; Hirose, A.; Kawahito, Y.; Katayama, S.; Arakawa, K.; Masaki, K.; Shiro, A.; Shobu, T.; Sano, Y.
Improving fatigue performance of laser-welded 2024-t3 aluminum alloy using dry laser peening
Metals, 2019
9, 11
[Reviewed] - Chanthapan Sinthu; Wattanapornphan Paiboon; Phongphisutthinan Chakkrist; Kawahito Yousuke; Suga Tetsuo
Effects of oxide layer on adhesion and durability of titanium and transparent polyamide joint by laser joining
JOURNAL OF LASER APPLICATIONS, Nov. 2018
30, 4
[Reviewed] - Kawahito Yousuke; Wang Hongze; Katayama Seiji; Sumimori Daichi
Ultra high power (100 kW) fiber laser welding of steel
OPTICS LETTERS, 01 Oct. 2018
43, 19, 4667, 4670
[Reviewed] - Miyagi Masanori; Kawahito Yousuke; Wang Hongze; Kawakami Hiroshi; Shoubu Takahisa; Tsukamoto Masahiro
X-ray phase contrast observation of solidification and hot crack propagation in laser spot welding of aluminum alloy
OPTICS EXPRESS, 03 Sep. 2018
26, 18, 22626, 22636
[Reviewed] - Yousuke Kawahito; Hongze Wang
In-situ observation of gap filling in laser butt welding
Scripta Materialia, 01 Sep. 2018
154, 73, 77
[Reviewed] - Miyagi Masanori; Wang Hongze; Yoshida Ryohei; Kawahito Yousuke; Kawakami Hiroshi; Shoubu Takahisa
Effect of alloy element on weld pool dynamics in laser welding of aluminum alloys
SCIENTIFIC REPORTS, 28 Aug. 2018
8
[Reviewed] - Yousuke Kawahito; Kouki Nakada; Yousuke Uemura; Masami Mizutani; Kouji Nishimoto; Hiroshi Kawakami; Seiji Katayama
Relationship between melt flows based on three-dimensional X-ray transmission in situ observation and spatter reduction by angle of incidence and defocussing distance in high-power laser welding of stainless steel
Welding International, 03 Jul. 2018
32, 7, 485, 496 - Wada Takuya; Morisada Yoshiaki; Sun Yufeng; Fujii Hidetoshi; Kawahito Yousuke; Matsushita Muneo; Ikeda Rinsei
Friction Stir Welding of Medium Carbon Steel with Laser-Preheating
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, Jul. 2018
104, 7, 369, 376
[Reviewed] - Hongze Wang; Yosuke Kawahito; Yuya Nakashima; Kunio Shiokawa
Coupled Effects of Heating Method and Rate on the Measured Nonisothermal Austenization Temperature of Steel SUS420J1 in Heat Treatment
Journal of Manufacturing Science and Engineering, Transactions of the ASME, 01 Jun. 2018
140, 6
[Reviewed] - Hongze Wang; Motoki Nakanishi; Yosuke Kawahito
Dynamic balance of heat and mass in high power density laser welding
Optics Express, 05 Mar. 2018
26, 5, 6392, 6399
[Reviewed] - Hongze Wang; Yosuke Kawahito; Ryouhei Yoshida; Yuya Nakashima; Kunio Shiokawa
A model to calculate the laser absorption property of actual surface
International Journal of Heat and Mass Transfer, 01 Mar. 2018
118, 562, 569
[Reviewed] - Jan Frostevarg; Pan Qinglong; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Effects of edge oxides from laser cutting in laser-arc hybrid welding
Journal of Laser Applications, 01 Feb. 2018
30, 1
[Reviewed] - Kawahito Yosuke; Kakami Hiroshi; Ozaki Hitoshi; Nishimoto Koji; Hasegawa Kazuhiko
Possibility of big data in laser joining
Preprints of the National Meeting of JWS, 2018
2018f, 444, 445 - Seiji Katayama; Yousuke Kawahito
Direct joining of metal and plastic with laser
Joining of Polymer-Metal Hybrid Structures: Principles and Applications, 01 Jan. 2018
127, 144 - Futoshi Himi; Yousuke Kawahito; Masami Mizutani; Hiroshige Inoue; Katsuyoshi Kondoh
Full penetration characteristics of underwater laser welding on stainless steel using high power and a brightness laser
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 01 Jan. 2018
36, 122, 128
[Reviewed] - Masanori Miyagi; Yousuke Kawahito; Hiroshi Kawakami; Takahisa Shoubu
Dynamics of solid-liquid interface and porosity formation determined through x-ray phase-contrast in laser welding of pure Al
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Dec. 2017
250, 9, 15
[Reviewed] - Hongze Wang; Motoki Nakanishi; Yosuke Kawahito
Effects of welding speed on absorption rate in partial and full penetration welding of stainless steel with high brightness and high power laser
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Nov. 2017
249, 193, 201
[Reviewed] - Mengcheng Gong; Yousuke Kawahito; Geng Li; Ming Gao; Xiaoyan Zeng
Stabilization effect of space constraint in narrow gap laser-arc hybrid welding analyzed by approximate entropy
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, Oct. 2017
92, 9-12, 3093, 3102
[Reviewed] - Abdollah Bahador; Esah Hamzah; Katsuyoshi Kondoh; Yousuke Kawahito; Umeda Junko; Tuty Asma Abu Bakar
Mechanical and superelastic properties of laser welded Ti-Ni shape-memory alloys produced by powder metallurgy
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Oct. 2017
248, 198, 206
[Reviewed] - Mengcheng Gong; Yosuke Kawahito; Ming Gao; Xiaoyan Zeng
Weld characterization of laser arc hybrid welding of pure copper
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, Sep. 2017
92, 1-4, 561, 567
[Reviewed] - Hiroyuki Tada; Hiroshi Nakamura; Takahisa Shobu; Ryuhei Kitai; Ken-ichiro Kikuta; Yousuke Kawahito
Effect of laser solution-treatment on a Ti-based shape memory alloy
MATERIALS RESEARCH BULLETIN, Jun. 2017
90, 41, 46
[Reviewed] - Ming Gao; Yousuke Kawahito; Shogo Kajii
Observation and understanding in laser welding of pure titanium at subatmospheric pressure
OPTICS EXPRESS, Jun. 2017
25, 12, 13539, 13548
[Reviewed] - Kai Kang; Yosuke Kawahito; Ming Gao; Xiaoyan Zeng
Effects of laser-arc distance on corrosion behavior of single-pass hybrid welded stainless clad steel plate
MATERIALS & DESIGN, Jun. 2017
123, 80, 88
[Reviewed] - Hongze Wang; Yosuke Kawahito; Ryohei Yoshida; Yuya Nakashima; Kunio Shiokawa
Development of a high-power blue laser (445 nm) for material processing
OPTICS LETTERS, Jun. 2017
42, 12, 2251, 2254
[Reviewed] - Masanori Miyagi; Xudong Zhang; Yousuke Kawahito; Seiji Katayama
Surface void suppression for pure copper by high-speed laser scanner welding
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Feb. 2017
240, 52, 59
[Reviewed] - Naoyuki Matsumoto; Yousuke Kawahito; Koji Nishimoto; Seiji Katayama
Effects of laser focusing properties on weldability in high-power fiber laser welding of thick high-strength steel plate
JOURNAL OF LASER APPLICATIONS, Feb. 2017
29, 1
[Reviewed] - NONAKA Yuta; KAWAHITO Yousuke; YOSHIDA Ryohei; OZAKI Hitoshi; KAWAKAMI Hiroshi
Role of metal vapor in keyhole on the basis of MPS method
Preprints of the National Meeting of JWS, 2017
2017f, 356, 357 - Satoru Asai; Manabu Tanaka; Yousuke Kawahito; Masaya Shigeta; Kazufumi Nomura; Tomoki Matsuda; Yosuke Ogino
Development of prediction technique of weld pool formation with heat source model
Yosetsu Gakkai Shi/Journal of the Japan Welding Society, 2017
86, 1, 27, 31
[Reviewed] - WADA Takuya; MORISADA Yoshiaki; KAWAHITO Yousuke; FUJII Hidetoshi; MATSUSHITA Muneo; IKEDA Rinsei
Formation mechanism of stir zone in laser-preheating FSW
Preprints of the National Meeting of JWS, 2017
2017, 0, 234, 235 - E. Wakai; T. Kanemura; H. Kondo; Y. Hirakawa; Y. Ito; H. Serizawa; Y. Kawahito; T. Higashi; A. Suzuki; S. Fukada; K. Furuya; K. Esaki; J. Yagi; Y. Tsuji; T. Ito; S. Niitsuma; S. Yoshihashi-Suzuki; K. Watanabe; T. Furukawa; F. Groeschel; G. Micciche; S. Manorri; P. Favuzza; F. S. Nitti; R. Heidinger; T. Terai; H. Horiike; M. Sugimoto; S. Ohira; J. Knaster
Engineering validation for lithium target facility of the IFMIF under IFMIF/EVEDA project
Nuclear Materials and Energy, 01 Dec. 2016
9, 278, 285
[Reviewed] - Yousuke Kawahito; Yousuke Uemura; Yuichiro Doi; Masami Mizutani; Kouji Nishimoto; Hiroshi Kawakami; Manabu Tanaka; Hidetoshi Fujii; Kazuhiro Nakata; Seiji Katayama
Elucidation of the effect of welding speed on melt flows in high-brightness and high-power laser welding of stainless steel on basis of three-dimensional X-ray transmission in situ observation
Welding International, Nov. 2016
31, 3, 206, 213
[Reviewed] - Hitoshi Ozaki; Minh Quang Le; Hiroshi Kawakami; Jippei Suzuki; Yousuke Uemura; Yuichiro Doi; Masami Mizutani; Yousuke Kawahito
Real-time observation of laser cutting fronts by X-ray transmission
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Nov. 2016
237, 181, 187
[Reviewed] - Tomokazu SANO; Takayuki EIMURA; Akio HIROSE; Seiichiro TSUTSUMI; Masami MIZUTANI; Yousuke KAWAHITO; Seiji KATAYAMA; Kazuto ARAKAWA; Ayumi SHIRO; Takahisa SHOBU; Kiyotaka MASAKI; Yuji SANO
Femtosecond Laser Peening for Improvement of Fatigue Properties of Laser Welded 2024 Aluminum Alloy
69th IIW Annual Assembly and International Conference 2016, Jul. 2016
C-IV - Qinglong Pan; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Effect of shielding gas on laser-MAG arc hybrid welding results of thick high-tensile-strength steel plates
WELDING IN THE WORLD, Jul. 2016
60, 4, 653, 664
[Reviewed] - Qinglong Pan; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
High power disk laser-metal active gas arc hybrid welding of thick high tensile strength steel plates
JOURNAL OF LASER APPLICATIONS, Feb. 2016
28, 1
[Reviewed] - HORIO Katsuma; ZHOU Qiaofeng; MORI Hiroaki; MIYASAKA Fumikazu; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
3D Numerical Analysis of Keyhole Formation during Laser Spot Welds of Aluminum Based on CIP Method
Preprints of the National Meeting of JWS, 2016
2016, 14, 15 - Himi Futoshi; Kawahito Yousuke; Nishimoto Kouji; Kawakami Hiroshi; Inoue Hirosige
Beadless bonding by laser heating
Preprints of the National Meeting of JWS, 2016
2016, 66, 67 - Miyagi Masanori; Kawahito Yosuke; Katayama Seiji; Kawakami Hiroshi; Shoubu Takahisa
Laser Welding Phenomena for Al Alloy by X-ray Phase Contrast
Preprints of the National Meeting of JWS, 2016
2016, 52, 53 - Yousuke Kawahito; Kouki Nakada; Yousuke Uemura; Masami Mizutani; Kouji Nishimoto; Hiroshi Kawakami; Seiji Katayama
Relationship between melt flows based on three-dimensional X-ray transmission in-situ observation and spatter reduction by angle of incidence and defocusing distance in high-power laser welding of stainless steel
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2016
34, 4, 239, 248
[Reviewed] - Isaku Chimura; Yousuke Kawahito; Hidekazu Murakawa; Seiji Katayama
Elucidation of Keyhole formation in laser welding of titanium with X-ray observation and numerical calculation using particle method
Keikinzoku Yosetsu/Journal of Light Metal Welding and Construction, 01 Jan. 2016
54, 6, 222, 229
[Reviewed] - Su-Jin Lee; Makoto Takahashi; Yousuke Kawahito; Seiji Katayama
Microstructural evolution and characteristics of weld fusion zone in high speed dissimilar welding of Ti and Al
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING, Sep. 2015
16, 10, 2121, 2127
[Reviewed] - Hiroshi Nakamura; Yousuke Kawahito; Shin-Ichi Goriki; Hiroyuki Tada; Seiji Katayama
Fundamental research of laser micro welding for practical use of titanium eyeglass frames
Welding International, 03 Aug. 2015
29, 8, 587, 593
[Reviewed] - Hiroshi Nakamura; Yousuke Kawahito; Koji Nishimoto; Seiji Katayama
Elucidation of melt flows and spatter formation mechanisms during high power laser welding of pure titanium
JOURNAL OF LASER APPLICATIONS, Aug. 2015
27, 3
[Reviewed] - Qiaofeng Zhou; Yasuhito Honshou; Hiroaki Mori; Fumikazu Miyasaka; Yousuke Uemura; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Numerical Analysis and In-Situ Observation of Bubble Behavior and Microporosity Formation in Laser Beam Welds of Aluminum Alloy
Quarterly J. Japan Welding Soc., Jun. 2015
33, 2, 53s, 57s
[Reviewed] - Mikhail Sokolov; Antti Salminen; Seiji Katayama; Yousuke Kawahito
Reduced pressure laser welding of thick section structural steel
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, May 2015
219, 278, 285
[Reviewed] - Isaku Chimura; Yousuke Uemura; Yousuke Kawahito; Hidekazu Murakawa; Seiji Katayama
Numerical method for laser welding simulation using particle method and finite element method
Proceedings of the International Offshore and Polar Engineering Conference, 2015
2015-, 241, 248 - KAWAHITO Yousuke; MORISADA Yoshiaki
Four-Dimensional X-Ray Transmission Observation of Welding Process:-Laser and Friction Stir Welding-
JOURNAL OF THE JAPAN WELDING SOCIETY, 2015
84, 1, 31, 34 - Yousuke Kawahito; Yousuke Uemura; Yuichiro Doi; Masami Mizutani; Kouji Nishimoto; Hiroshi Kawakami; Manabu Tanaka; Hidetoshi Fujii; Kazuhiro Nakata; Seiji Katayama
Elucidation of effect of welding speed on melt flows in high-brightness and high-power laser welding of stainless steel on basis of three-dimensional X-ray transmission in-situ observation
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2015
33, 1, 13, 19
[Reviewed] - Seiji Katayama; Ryouji Ido; Koji Nishimoto; Masami Mizutani; Yousuke Kawahito
Full penetration welding of thick high tensile strength steel plate with high power disk laser in low vacuum
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2015
33, 3, 262, 270
[Reviewed] - S. Arai; Y. Kawahito; S. Katayama
Effect of surface modification on laser direct joining of cyclic olefin polymer and stainless steel
MATERIALS & DESIGN, Jul. 2014
59, 448, 453
[Reviewed] - Hideaki Kasai; Wilson Agerico Diño; Kazuki Kojima; Yousuke Kawahito
Surface as a foundation to realizing designer materials
e-Journal of Surface Science and Nanotechnology, 02 May 2014
12, 203, 216
[Reviewed] - A. Youhei; K. Yousuke; N. Hiroshi; N. Koji; M. Masami; K. Seiji
Effect of reduced pressure atmosphere on weld geometry in partial penetration laser welding of stainless steel and aluminium alloy with high power and high brightness laser
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, May 2014
19, 4, 324, 332
[Reviewed] - Yousuke Kawahito; Yusuke Niwa; Seiji Katayama
Laser direct joining between stainless steel and polyethylene terephthalate plastic and reliability evaluation of joints
Welding International, Feb. 2014
28, 2, 107, 113
[Reviewed] - S. J. Lee; H. Nakamura; Y. Kawahito; S. Katayama
Effect of welding speed on microstructural and mechanical properties of laser lap weld joints in dissimilar Al and Cu sheets
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, Feb. 2014
19, 2, 111, 118
[Reviewed] - ZHOU QIAOFENG; HONSHOU YASUHITO; MORI HIROAKI; MIYASAKA FUMIKAZU; UEMURA YOUSUKE; MIZUTANI MASAMI; KAWAHITO YOUSUKE
Numerical Analysis of Fluid flow in molten pool during Laser Beam Welding of Aluminum
Preprints of the National Meeting of JWS, 2014
2014, 158, 159 - S. Arai; Y. Kawahito; S. Katayama
Effect of surface modification on laser direct joining of cyclic olefin polymer and stainless steel
Materials and Design, 2014
59, 448, 453
[Reviewed] - Kwang-Woon Jung; Yousuke Kawahito; Seiji Katayama
Mechanical Property and Joining Characteristics of Laser Direct Joining of CFRP to Polyethylene Terephthalate
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY, Jan. 2014
1, 1, 43, 48
[Reviewed] - E. Wakai; H. Kondo; T. Kanemura; T. Furukawa; Y. Hirakawa; K. Watanabe; M. Ida; Y. Ito; S. Niitsuma; Y. Edao; K. Fujishiro; K. Nakaniwa; E. Hoashi; H. Horiike; H. Serizawa; Y. Kawahito; S. Fukada; Y. Sugie; A. Suzuki; J. Yagi; Y. Tsuji; K. Furuya; F. Groeschel; J. Knaster; G. Micchiche; A. Ibarra; R. Heidinger; F. Nitti; M. Sugimoto
Engineering validation and engineering design of lithium target facility in Ifmif/Eveda project
Fusion Science and Technology, 2014
66, 1, 46, 56
[Reviewed] - Su-Jin Lee; Hiroshi Nakamura; Yousuke Kawahito; Seiji Katayama
Weldability of Ti and Al Dissimilar Metals Using Single-Mode Fiber Laser
JOURNAL OF LASER MICRO NANOENGINEERING, Aug. 2013
8, 2, 149, 154
[Reviewed] - T. Ohnishi; Y. Kawahito; M. Mizutani; S. Katayama
Butt welding of thick, high strength steel plate with a high power laser and hot wire to improve tolerance to gap variance and control weld metal oxygen content
Science and Technology of Welding and Joining, May 2013
18, 4, 314, 322
[Reviewed] - Su-Jin Lee; Seiji Katayama; Yousuke Kawahito; Keisuke Kinoshita; Jong-Do Kim
Weldability and keyhole behavior of Zn-coated steel in remote welding using disk laser with scanner head
JOURNAL OF LASER APPLICATIONS, May 2013
25, 3
[Reviewed] - Kwang-Woon Jung; Yousuke Kawahito; Makoto Takahashi; Seiji Katayama
Laser direct joining of carbon fiber reinforced plastic to aluminum alloy
Journal of Laser Applications, May 2013
25, 3
[Reviewed] - K. W. Jung; Y. Kawahito; M. Takahashi; S. Katayama
Laser direct joining of carbon fiber reinforced plastic to zinc-coated steel
MATERIALS & DESIGN, May 2013
47, 179, 188
[Reviewed] - Yousuke Kawahito; Naoyuki Matsumoto; Youhei Abe; Seiji Katayama
Laser absorption characteristics in high-power fibre laser welding of stainless steel
Welding International, Feb. 2013
27, 2, 129, 135
[Reviewed] - Nishimoto Koji; Nakamura Hiroshi; Niwa Yusuke; Kawahito Yousuke; Katayama Seiji
Direct Joining of Pure Titanium and Engineering Plastic PET with Laser
JLW, 2013
51, 5, 166, 172 - Nakamura Hiroshi; Kawahito Yousuke; Katayama Seiji; Goriki Shin-Ichi; Tada Hiroyuki
Fundamental research of laser micro welding for practical use of titanium eyeglass frames
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2013
31, 2, 167, 173
[Reviewed] - Youhei Abe; Yousuke Kawahito; Hiroshi Nakamura; Koji Nishimoto; Masami Mizutani; Seiji Katayama
Effect of reduced pressure atmosphere on partial penetration welds of stainless steel and aluminum alloy with high power and high brightness laser
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2013
31, 1, 48, 55
[Reviewed] - K. W. Jung; Y. Kawahito; M. Takahashi; S. Katayama
Laser direct joining of carbon fiber reinforced plastic to zinc-coated steel
Materials and Design, 2013
47, 179, 188
[Reviewed] - LEE Sujin; NAKAMURA Hiroshi; KAWAHITO Yousuke; KATAYAMA Seiji
Mechanical Properties of Ti and Al Dissimilar Weld Joints Using Single-Mode Fiber Laser
Preprints of the National Meeting of JWS, 03 Sep. 2012
91, 36, 37 - Y. Morisada; H. Fujii; Y. Kawahito; K. Nakata; M. Tanaka
Three-dimensional Visualization of Material Flow in FSW by X-ray radiography
Proceedings of 9th International Friction Stir Welding Symposium, May 2012
8B-1-1, 8B-1-5 - Yousuke Kawahito; Naoyuki Matsumoto; Youhei Abe; Seiji Katayama
Laser absorption of aluminium alloy in high brightness and high power fibre laser welding
Welding International, Apr. 2012
26, 4, 275, 281
[Reviewed] - JUNG Kwangwoon; KAWAHITO Yousuke; KATAYAMA Seiji
Laser direct joining of CFRP and metals
Preprints of the National Meeting of JWS, 15 Mar. 2012
90, 220, 221 - PAN Qinglong; JUNG Kwangwoon; KAWAHITO Yousuke; KATAYAMA Seiji
Weldability of High-Tensile Strength Steel by Laser-Arc Hybrid Welding
Preprints of the National Meeting of JWS, 15 Mar. 2012
90, 34, 35 - Kwang-Woon Jung; Yousuke Kawahito; Seiji Katayama
Ultra-high speed disk laser cutting of carbon fiber reinforced plastics
JOURNAL OF LASER APPLICATIONS, Feb. 2012
24, 1
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Recent advances in laser welding
Laser and Tera-Hertz Science and Technology, LTST 2012, 2012 - Yousuke Kawahito; Yuusuke Niwa; Koji Nishimoto; Seiji Katayama
Study of dissimilar metal joint for low carbon steel and aluminum alloy with laser-Assisted Metal and plastic direct joining
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2012
30, 2, 142, 148
[Reviewed] - M. Wahba; M. Mizutani; Y. Kawahito; S. Katayama
Laser welding of die-cast AZ91D magnesium alloy
Materials and Design, Jan. 2012
33, 1, 569, 576
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Latest progress in performance and understanding of laser welding
LASER ASSISTED NET SHAPE ENGINEERING 7 (LANE 2012), 2012
39, 8, 16
[Reviewed] - M. Wahba; M. Mizutani; Y. Kawahito; S. Katayama
Laser welding of die-cast AZ91D magnesium alloy
MATERIALS & DESIGN, Jan. 2012
33, 569, 576
[Reviewed] - Y. Morisada; H. Fujii; Y. Kawahito; K. Nakata; M. Tanaka
Three-dimensional visualization of material flow during friction stir welding by two pairs of X-ray transmission systems
SCRIPTA MATERIALIA, Dec. 2011
65, 12, 1085, 1088
[Reviewed] - K. W. Jung; Y. Kawahito; S. Katayama
Laser direct joining of carbon fibre reinforced plastic to stainless steel
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, Nov. 2011
16, 8, 676, 680
[Reviewed] - M. Wahba; Y. Kawahito; K. Kondoh; S. Katayama
A fundamental study of laser welding of hot extruded powder metallurgy (P/M) AZ31B magnesium alloy
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, Nov. 2011
529, 143, 150
[Reviewed] - Yousuke Kawahito; Naoyuki Matsumoto; Youhei Abe; Seiji Katayama
Relationship of laser absorption to keyhole behavior in high power fiber laser welding of stainless steel and aluminum alloy
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Oct. 2011
211, 10, 1563, 1568
[Reviewed] - Hisashi Serizawa; Shinichiro Nakamura; Manabu Tanaka; Yousuke Kawahito; Hiroyasu Tanigawa; Seiji Katayama
Effect of mechanical restraint on weldability of reduced activation ferritic/martensitic steel thick plates
JOURNAL OF NUCLEAR MATERIALS, Oct. 2011
417, 1-3, 55, 58
[Reviewed] - M. Wahba; Y. Kawahito; S. Katayama
Laser direct joining of AZ91D thixomolded Mg alloy and amorphous polyethylene terephthalate
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, Jun. 2011
211, 6, 1166, 1174
[Reviewed] - Shinpei Oiwa; Yousuke Kawahito; Masami Mizutani; Seiji Katayama
Effect of atmosphere above specimen on welding results during remote welding
JOURNAL OF LASER APPLICATIONS, May 2011
23, 2
[Reviewed] - Seiji Katayama; Yohei Abe; Ryoji Ido; Masami Mizutani; Yousuke Kawahito
Deep penetration welding with high power disk lasers in low vacuum
30th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2011, 2011
669, 678 - Kwang-Woon Jung; Yousuke Kawahito; Seiji Katayama
Ultra-high speed disk laser cutting of CFRP and laser direct joining of pitch type CFRP to stainless steel
30th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2011, 2011
1309, 1314 - Seiji Katayama; Masahiro Hirayama; Masami Mizutani; Yousuke Kawahito
Deep penetration welds and welding phenomena with combined disk lasers
30th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2011, 2011
661, 668 - Yousuke Kawahito; Shinpei Oiwa; Masami Mizutani; Seiji Katayama
Effects of laser-induced plume in high-power fiber laser welding with long-focal-distance focusing optics
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2011
29, 1, 18, 23
[Reviewed] - Yousuke Kawahito; Seiji Katayama; Koji Nishimoto
LASER DIRECT JOINING BETWEEN STAINLESS STEEL AND AMORPHOUS POLYAMIDE PLASTIC
PROCEEDINGS OF THE ASME/JSME 8TH THERMAL ENGINEERING JOINT CONFERENCE 2011, VOL 1 PTS A AND B, 2011
1119, +
[Reviewed] - M. Wahba; M. Mizutani; Y. Kawahito; S. Katayama
Keyhole stability in disc laser welding of AZ31B and AZ61A magnesium alloys and weld metal properties
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, Oct. 2010
15, 7, 559, 566
[Reviewed] - Yousuke Kawahito; Yusuke Niwa; Takeshi Terajima; Seiji Katayama
Laser Direct Joining of Glassy Metal Zr55Al10Ni5Cu30 to Engineering Plastic Polyethylene Terephthalate
MATERIALS TRANSACTIONS, Aug. 2010
51, 8, 1433, 1436
[Reviewed] - Yousuke Kawahito; Seiji Katayama
Characteristics of LAMP joining structures for several materials
29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings, 2010
103, 1469, 1473 - Mohamed Wahba; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
High-brightness disk laser welding of magnesium alloys
29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings, 2010
103, 429, 435 - Seiji Katayama; Kwang-Woon Jung; Yousuke Kawahito
High power laser cutting of CFRP, and laser direct joining of CFRP to metal
29th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2010 - Congress Proceedings, 2010
103, 333, 338 - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Welding phenomena and weld penetration during laser or hybrid welding (invited presentation)
4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010, 2010 - Yousuke Kawahito; Naoyuki Matsumoto; Youhei Abe; Seiji Katayama
Laser absorption of aluminum alloy in high brightness and high power fiber laser welding
Keikinzoku Yosetsu/Journal of Light Metal Welding and Construction, Jan. 2010
48, 1, 20, 25 - Yousuke Kawahito; Yusuke Niwa; Seiji Katayama
Laser direct joining between stainless steel and polyethylene terephthalate plastic and reliability evaluation of joints?
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2010
28, 1, 16, 21
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Laser Welding and Hybrid Welding of Aluminium Alloys
NEW FRONTIERS IN LIGHT METALS, 2010
79, 90
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Elucidation of laser welding phenomena and factors affecting weld penetration and welding defects
LASER ASSISTED NET SHAPE ENGINEERING 6, PROCEEDINGS OF THE LANE 2010, PART 2, 2010
5, 9, 17
[Reviewed] - Seiji Katayama; Yousuke Kawahito
Interpretation of laser weld penetration and welding phenomena
Zhongguo Jiguang/Chinese Journal of Lasers, Dec. 2009
36, 12, 3160, 3166
[Reviewed] - Seiji Katayama; Satoshi Kawaguchi; Masami Mizutani; Yousuke Kawahito; Taishi Tarui
Welding phenomena and in-process monitoring in high-power YAG laser welding of aluminium alloy
Welding International, Oct. 2009
23, 10, 753, 762
[Reviewed] - Seiji Katayama; Hiroyuki Nagayama; Masami Mizutani; Yousuke Kawahito
Fibre laser welding of aluminium alloy
Welding International, Oct. 2009
23, 10, 744, 752
[Reviewed] - KAWAHITO Yousuke; MIZUTANI Masami; KATAYAMA Seiji
Phenomena Elucidation of High Brightness Fiber Laser Welding of Stainless Steel
Journal of High Temperature Society, 20 Jul. 2009
35, 4, 189, 198 - Y. Kawahito; M. Mizutani; S. Katayama
High quality welding of stainless steel with 10 kW high power fibre laser
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, May 2009
14, 4, 288, 294
[Reviewed] - Yousuke Kawahito; Keisuke Kinoshita; Naoyuki Matsumoto; Seiji Katayama
Visualization of refraction and attenuation of near-infrared laser beam due to laser-induced plume
JOURNAL OF LASER APPLICATIONS, May 2009
21, 2, 96, 101
[Reviewed] - Yousuke Kawahito; Terumasa Ohnishi; Seiji Katayama
In-process monitoring and feedback control for stable production of full-penetration weld in continuous wave fibre laser welding
JOURNAL OF PHYSICS D-APPLIED PHYSICS, Apr. 2009
42, 8
[Reviewed] - KAWAHITO Yousuke; MIZUTANI Masami; KATAYAMA Seiji
Defect Formation Mechanism and Reduction Procedure in 10kW High Power Fiber Laser Welding of Stainless Steel
QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY, 20 Jan. 2009
26, 3, 203, 209 - Terumasa Onishi; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
High-power fiber laser butt welding of thick high-strength steel plate using sensing system with hot wire
ICALEO 2009 - 28th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2009
102, 773, 779 - Shinpei Oiwa; Yousuke Kawahito; Seiji Katayama
Optical properties of laser-induced plume during high power laser welding
ICALEO 2009 - 28th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2009
102, 359, 365 - Yousuke Kawahito; Yusuke Niwa; Seiji Katayama
Laser direct joining of ceramic and engineering plastic
ICALEO 2009 - 28th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2009
102, 208, 212 - Yousuke Kawahito; Naoyuki Matsumoto; Youhei Abe; Seiji Katayama
Laser absorption characteristics in high power fiber laser welding of stainless steel
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2009
27, 3, 183, 188
[Reviewed] - Seiji Katayama; Shinpei Oiwa; Naoki Matsumoto; Masami Mizutani; Yosuke Kawahito
Fundamentals of fiber laser remote welding and deep penetration welding
CLEO/Europe - EQEC 2009 - European Conference on Lasers and Electro-Optics and the European Quantum Electronics Conference, 2009
[Reviewed] - Seiji Katayama; Yousuke Kawahito
Elucidation of Phenomena in High Power Fiber Laser Welding, and Development of Prevention Procedures of Welding Defects
FIBER LASERS VI: TECHNOLOGY, SYSTEMS, AND APPLICATIONS, 2009
7195
[Reviewed] - H. Tanigawa; T. Hirose; K. Shiba; R. Kasada; E. Wakai; H. Serizawa; Y. Kawahito; S. Jitsukawa; A. Kimura; Y. Kohno; A. Kohyama; S. Katayama; H. Mori; K. Nishimoto; R. L. Klueh; M. A. Sokolov; R. E. Stoller; S. J. Zinkle
Technical issues of reduced activation ferritic/martensitic steels for fabrication of ITER test blanket modules
Fusion Engineering and Design, Dec. 2008
83, 10-12, 1471, 1476 - Seiji Katayama; Yousuke Kawahito
Laser direct joining of metal and plastic
SCRIPTA MATERIALIA, Dec. 2008
59, 12, 1247, 1250
[Reviewed] - Y. Kawahito; K. Kinoshita; N. Matsumoto; M. Mizutani; S. Katayama
Effect of weakly ionised plasma on penetration of stainless steel weld produced with ultra high power density fibre laser
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, Nov. 2008
13, 8, 749, 753
[Reviewed] - Y. Kawahito; N. Matsumoto; M. Mizutani; S. Katayama
Characterisation of plasma induced during high power fibre laser welding of stainless steel
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING, Nov. 2008
13, 8, 744, 748
[Reviewed] - Seiji Katayama; Satoshi Kawaguchi; Masami Mizutani; Yousuke Kawahito; Taishi Tarui
Welding Phenomena and In-Process Monitoring in High Power YAG Laser Welding of Aluminum Alloy
Journal of Light Metal Welding and Construction, Oct. 2008
46, 10, 480, 490
[Reviewed] - Seiji Katayama; Hiroyuki Nagayama; Masami Mizutani; Yousuke Kawahito
Fiber Laser Welding of Aluminum Alloy
Journal of Light Metal Welding and Construction, Oct. 2008
46, 10, 470, 479
[Reviewed] - Tadashi Takemoto; Sachio Kimura; Yousuke Kawahito; Hiroshi Nishikawa; Seiji Katayama
Fluxless Joining of Aluminum Alloy to Steel by Laser Irradaiation Method
Journal of Light Metal Welding & Construction, Jul. 2008
46, 7, 300, 308
[Reviewed] - Yousuke Kawahito; Takeshi Terajima; Hisamich Kimura; Toshio Kuroda; Kazuhiro Nakata; Seiji Katayama; Akihisa Inoue
High-power fiber laser welding and its application to metallic glass Zr55Al10Ni5Cu30
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS, Feb. 2008
148, 1-3, 105, 109
[Reviewed] - Yusuke Niwa; Yousuke Kawahito; Shuji Kubota; Seiji Katayama
Evolution of LAMP joining to dissimilar metal welding
ICALEO 2008 - 27th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2008
311, 317 - Naoyuki Matsumoto; Yousuke Kawahito; Masami Mizutani; Seiji Katayama
Laser absorption in high-power fiber laser welding of stainless steel and aluminum alloy
ICALEO 2008 - 27th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2008
387, 391 - Yousuke Kawahito; Terumasa Ohnishi; Seiji Katayama
In-process monitoring and adaptive control in micro lap seam welding with fiber laser
ICALEO 2008 - 27th International Congress on Applications of Lasers and Electro-Optics, Congress Proceedings, 2008
94, 98 - Yousuke Kawahito; Masaharu Kawasaki; Seiji Katayama
In-process Monitoring and Adaptive Control during Micro Welding with CW Fiber Laser
JOURNAL OF LASER MICRO NANOENGINEERING, Jan. 2008
3, 1, 46, 51
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Understanding of laser and hybrid welding phenomena
ADVANCED WELDING AND MICRO JOINING / PACKAGING FOR THE 21ST CENTURY, 2008
580-582, 535, +
[Reviewed] - H. Serizawa; Y. Kawahito; H. Ogiwara; H. Tanigawa; S. Katayama
Weldability of Reduced Activation Ferritic/Martensitic Steel under Ultra Power Density Fiber Laser Welding
Proceedings of the 13th International Conference on Fusion Reactor Materials, Dec. 2007 - Yousuke Kawahito; Keisuke Kinoshita; Naoyuki Matsumoto; Masami Mizutani; Seiji Katayama
Interaction between laser beam and plasma/plume induced in welding of stainless steel with ultra-high power density fiber laser
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 01 Dec. 2007
25, 3, 461, 467
[Reviewed] - Keisuke Kinoshita; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Phenomena Elucidation in High-Power Fiber Laser Welding of Stainless Steel
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 01 Dec. 2007
25, 1, 18, 23
[Reviewed] - Yousuke Kawahito; Keisuke Kinoshita; Naoyuki Matsumoto; Masami Mizutani; Seiji Katayama
High-speed observation and spectroscopic analysis of laser-induced plume in high-power fiber laser welding of stainless steel
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 01 Dec. 2007
25, 3, 455, 460
[Reviewed] - Yousuke Kawahito; Masami Mizutani; Seiji Katayama
Elucidation of high-power fibre laser welding phenomena of stainless steel and effect of factors on weld geometry
JOURNAL OF PHYSICS D-APPLIED PHYSICS, Oct. 2007
40, 19, 5854, 5859
[Reviewed] - Yousuke Kawahito; Masayuki Kito; Seiji Katayama
In-process monitoring and adaptive control for gap in micro butt welding with pulsed YAG laser
JOURNAL OF PHYSICS D-APPLIED PHYSICS, May 2007
40, 9, 2972, 2978
[Reviewed] - Seiji Katayama; Yousuke Kawahito; Masami Mizutani
Collaboration of physical and metallurgical viewpoints for understanding and process development of laser welding
26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings, 2007 - Yusuke Niwa; Yousuke Kawahito; Shuji Kubota; Seiji Katayama
Development and improvemnt in laser direct joining of metal and plastic
26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings, 2007 - Seiji Katayama; Yousuke Kawahito; Keisuke Kinoshita; Naoyuki Matsumoto; Masami Mizutani
Weld penetration and phenomena in 10 kW fiber laser welding
26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings, 2007 - Hiroyuki Nagayama; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Weld penetration and welding phenomena of aluminum alloy with high-power fiber laser
26th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2007 - Congress Proceedings, 2007 - Seiji Katayama; Yousuke Kawahito; Yusuke Niwa; Akio Tange; Shyuji Kubota
Laser direct joining between stainless steel and amorphous polyamide plastic Laser-assisted metal - Plastic (LAMP) joining -
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society, 2007
25, 2, 316, 322
[Reviewed] - Yousuke Kawahito; Masayuki Kito; Seiji Katayama
In-process Monitoring and Adaptive Control for Laser Spot and Seam Welding of Pure Titanium
JOURNAL OF LASER MICRO NANOENGINEERING, Dec. 2006
1, 3, 269, 274
[Reviewed] - NAGAYAMA Hiroyuki; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
Laser Welding Phenomena of Various Aluminium Alloys with High-Power Fiber Laser
Preprints of the National Meeting of JWS, 01 Sep. 2006
79, 252, 253 - KATAYAMA Seiji; KAWAHITO Yousuke; KUBOTA Shyuji; TNAGE Akio
LAMP Joining for Reinforced Plastics and Optimization of Laser Beam Shape : Laser-Assisted Metal-Plastic (LAMP) Direct-Joining (The Second Report)
Preprints of the National Meeting of JWS, 01 Sep. 2006
79, 274, 275 - KAWAHITO Yousuke; KATAYAMA Seiji
Gap in-process monitoring and adaptive control for reduction in underfilling during butt laser welding of pure titanium
Preprints of the National Meeting of JWS, 01 Sep. 2006
79, 286, 287 - KINOSHITA Keisuke; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
Phenomena and Penetration Characteristics in High-Power Fiber Laser Welding of Stainless Steel
Preprints of the National Meeting of JWS, 01 Sep. 2006
79, 260, 261 - Y. Kawahito; S. Katayama
In-process repairing in laser welding of aluminium alloy sheets. A study of adaptive control based on in-process monitoring signals
Welding International, 01 Jun. 2006
20, 6, 430, 439
[Reviewed] - Yousuke Kawahito; Seiji Katayama
In-Process Monitoring and Adaptive Control during Pulsed YAG Laser Spot Welding of Aluminum Alloy Thin Sheets
JOURNAL OF LASER MICRO NANOENGINEERING, Feb. 2006
1, 1, 33, 38
[Reviewed] - Keisuke Kinoshita; Masami Mizutani; Yousuke Kawahito; Seiji Katayama
Phenomena of welding with high-power fiber laser
ICALEO 2006 - 25th International Congress on Applications of Laser and Electro-Optics, Congress Proceedings, 2006 - Yousuke Kawahito; Akio Tange; Shyuji Kubota; Seiji Katayama
Development of direct laser joining for metal and plastic
ICALEO 2006 - 25th International Congress on Applications of Laser and Electro-Optics, Congress Proceedings, 2006 - kawahito yousuke; katayama seiji
In-process monitoring and adaptive control in pulsed YAG laser welding of aluminum alloy
Preprints of the National Meeting of JWS, 2006
2006, 73, 73 - Yousuke Kawahito; Seiji Katayama
In-process monitoring and adaptive control for prevention of through-holes in full-penetration lap welds of aluminum alloy sheets
Journal of Laser Applications, 2006
18, 2, 93, 100
[Reviewed] - KAWAHITO Yousuke; KATAYAMA Seiji
Adaptive Control for Partial- and Full-Penetration Spot Welding of Aluminum Alloy Sheets
Journal of High Temperature Society, 20 May 2005
31, 3, 146, 153 - Y Kawahito; S Katayama
In-process monitoring and adaptive control for stable production of sound welds in laser microspot lap welding of aluminum alloy
JOURNAL OF LASER APPLICATIONS, Feb. 2005
17, 1, 30, 37
[Reviewed] - Yousuke Kawahito; Masayuki Kito; Seiji Katayama; Hiroshi Nakamura
In-process monitoring and adaptive control in yag laser butt micro-welding of titanium
24th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2005 - Congress Proceedings, 2005
276, 285 - Yousuke Kawahito; Seiji Katayama
In-process monitoring and adaptive control for lap welds of aluminum alloy sheets
24th International Congress on Applications of Lasers and Electro-Optics, ICALEO 2005 - Congress Proceedings, 2005
905, 914 - KAWAHITO Yousuke; KATAYAMA Seiji
In-Process Monitoring and Adaptive Control in Laser Micro-Spot Lap Welding of Aluminum Alloy : Adaptive Control by Heat Radiation for Partially-Penetrated Welding
rle, 15 May 2004
32, 5, 357, 363 - Yousuke Kawahito; Seiji Katayama
In-process monitoring and feedback control during laser microspot lap welding of copper sheets
Journal of Laser Applications, 2004
16, 2, 121, 127
[Reviewed] - Y Kawahito; H Kasai; H Nakanishi; A Okiji
Quantum transport in an atom-sized bridge between a metal surface and a tip of a scanning tunneling microscope at finite temperatures
JOURNAL OF APPLIED PHYSICS, Jan. 1999
85, 2, 947, 952
[Reviewed] - Y Kawahito; H Kasai; H Nakanishi; A Okiji
Effects of intra-site Coulomb interaction on quantized conductance in a quantum wire between an STM tip and a metal surface
SURFACE SCIENCE, Jul. 1998
409, 2, L709, L714
[Reviewed] - Tomio IWASAKI, Yosuke KAWAHITO
〔Major achievements〕Crystal-Orientation Control for Improving Adhesion and Wettability at PEEK- Resin/Al2O3 Interface
Journal of the Society of Materials Science, Nov. 2025
74, 11, 699, 706
[Reviewed]
Misc.
- 北山夏輝; 川上博士; 尾崎仁志; 川人洋介; 森路子
Additive Manufacturing of Aluminum Using Keyhole Melting
溶接学会全国大会講演概要(Web), 2024
115 - Sumimori Daichi; Deguchi Takahiro; Nomura Ryo; Kamei Naomitsu; Katayama Seiji; Mizutani Masami; Kawahito Yousuke
Measurement of Keyhole Depth during Laser Welding Using High Precision Keyhole Depth Measurement Device
Preprints of the National Meeting of JWS, Sep. 2016
2016, 50, 51 - Mizutani Masami; Katayama Seiji; Kawahito Yousuke
Structure of laser induced plume and laser propagation
Preprints of the National Meeting of JWS, Sep. 2016
2016, 46, 47 - Himi Futoshi; kawahito Yousuke; Mizutani Masami; Kondoh Katsuyoshi; katayama Seiji
Fundamental Research of Underwater Laser Cutting in Extreme Environment
Preprints of the National Meeting of JWS, Apr. 2016
2016, 122, 123 - Nakamura Hiroshi; Katayama Seiji; Kawahito Yousuke
Fundamental Study for the Relationship between Melt Flow and Spatter in High-Power Laser Welding of Pure Titanium
Transactions of JWRI, Dec. 2015
44, 2, 27, 32 - 西本 浩司; 川人 洋介; 片山 聖二
Direct Joining of Plastic and Metal by LAMP (Laser-Assisted Metal and Plastic) Joining Method and its Application of Dissimilar Metal Joining
レーザ加工学会誌, Oct. 2015
22, 3, 173, 179 - 尾崎仁志; LE Quang Minh; 川上博士; 鈴木実平; 上村洋輔; 土井雄一朗; 水谷正海; 川人洋介
X線透過装置によるレーザ切断フロントのリアルタイム観察に関する研究
溶接学会全国大会講演概要, 2015
96 - 尾崎仁志; LE Minh Quang; 川上博士; 鈴木実平; 上村洋輔; 土井雄一朗; 水谷正海; 川人洋介
高輝度X線透過装置によるレーザ切断部のその場観察
レーザ加工学会講演論文集, 2015
83rd - Uemura Yousuke; Nakamura Hiroshi; Doi Yuichiro; Mizutani Masami; Kawahito Yousuke; Katayama Seiji
Clarification of spatter formation mechanism on the basis of three-dimensional X-ray transmission in-situ observation system
Preprints of the National Meeting of JWS, Sep. 2014
2014, 160, 161 - Pan Qinglong; Mizutani Masami; Kawahito Yosuke; Katayama Seiji
Laser-Arc Hybrid Weldability for High-Strength Steel (HT780) and its Phenomena
Preprints of the National Meeting of JWS, Sep. 2014
2014, 240, 241 - Katayama Seiji; Kawahito Yousuke; Jung Kwang-Woon
Laser Direct Joining of CFRP to Metal or Engineering Plastic
Transactions of JWRI, Dec. 2013
42, 2, 5, 8 - Katayama Seiji; Kinoshita Keisuke; Kawahito Yousuke; Lee Su-Jin
Weldability and Keyhole Behavior in Remote Welding of three Zn-Coated Steel Sheets
Transactions of JWRI, Jun. 2013
42, 1, 11, 15 - Nakamura Hiroshi; Katayama Seiji; Kawahito Yousuke; Lee Su-Jin
Microstructural Characteristics and Mechanical Properties of Single-Mode Fiber Laser Lap-Welded Joint in Ti and Al Dissimilar Metals
Transactions of JWRI, Jun. 2013
42, 1, 17, 21 - OHNISHI Terumasa; KAWAHITO Yousuke; MIZUTANI Masami; KATAYAMA Seiji
High-Power and High-Brightness Laser Butt Welding with Using Hot Wire for Thick High-Strength Steel Plate
溶接学会論文集 : quarterly journal of the Japan Welding Society, 31 Dec. 2011
29, 1, 41, 47 - IDO Ryouji; KATAYAMA Seiji; KAWAHITO Yousuke; MIZUTANI Masami
Weldability of High-Tensile Strength Steel with High Power Disk Laser under Low-Vacuum
溶接学会全国大会講演概要, 18 Aug. 2011
89, 396, 397 - JUNG Kwangwoon; KAWAHITO Yousuke; KATAYAMA Seiji
Laser direct joining of pitch-based CFRP and stainless steel
溶接学会全国大会講演概要, 18 Aug. 2011
89, 392, 393 - NISHIMOTO Koji; KAWAHITO Yousuke; KATAYAMA Seiji
Laser direct joining of Titanium and plastic
溶接学会全国大会講演概要, 18 Aug. 2011
89, 388, 389 - Kawahito Yousuke; Katayama Seiji; Abe Yohei; Mizutani Masami
Deep Penetration Welding with High-Power Laser under Vacuum
Transactions of JWRI, Jun. 2011
40, 1, 15, 19 - Yousuke Kawahito; Kouji Nishimoto; Seiji Katayama
LAMP Joining between Ceramic and Plastic
LASERS IN MANUFACTURING 2011: PROCEEDINGS OF THE SIXTH INTERNATIONAL WLT CONFERENCE ON LASERS IN MANUFACTURING, VOL 12, PT A, 2011
12, 174, 178 - Seiji Katayama; Abe Yohei; Masami Mizutani; Yousuke Kawahito
Development of Deep Penetration Welding Technology with High Brightness Laser under Vacuum
LASERS IN MANUFACTURING 2011: PROCEEDINGS OF THE SIXTH INTERNATIONAL WLT CONFERENCE ON LASERS IN MANUFACTURING, VOL 12, PT A, 2011
12, 75, 80 - Katayama Seiji; Nakamura Hiroshi; Kawahito Yousuke
In-process monitoring and adaptive control for micro welding of titanium
Transactions of JWRI, Dec. 2010
39, 2, 201, 203 - Katayama Seiji; Kawahito Yousuke
Innovation of laser direct joining between metal and plastic
Transactions of JWRI, Dec. 2010
39, 2, 50, 52 - Kawahito Yousuke; Jung KwangWoon; Katayama Seiji
High brightness laser cutting of CFRP
Transactions of JWRI, Dec. 2010
39, 2, 53, 55 - HIRAYAMA Masahiro; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
Behavior of keyhole during high-power and high-brightness laser welding
溶接学会全国大会講演概要, 18 Aug. 2010
87, 374, 375 - ABE Yohei; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
High-Power Laser Weldability under Low-Vacuum
溶接学会全国大会講演概要, 18 Aug. 2010
87, 378, 379 - KAWAHITO Yousuke; KATAYAMA Seiji
In-process Monitoring and Adaptive Control in Laser Welding
溶接学会全国大会講演概要, 29 Mar. 2010
86, "S, 19"-"S-23" - HIRAYAMA Masahiro; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
Characteristics of Welding with High-Power and High-Brightness Laser
溶接学会全国大会講演概要, 29 Mar. 2010
86, 176, 177 - ABE Yohei; KAWAHITO Yousuke; KATAYAMA Seiji
CFRP cutting with high brightness laser
溶接学会全国大会講演概要, 29 Mar. 2010
86, 188, 189 - KATAYAMA Seiji; KAWAHITO Yousuke; JUNG Kwang Woon
Laser direct joining of metal and CFRP
溶接学会全国大会講演概要, 29 Mar. 2010
86, 190, 191 - KAWAHITO Yousuke; MATSUMOTO Naoyuki; ABE Youhei; KATAYAMA Seiji
Laser Absorption Characteristics in High Power Fiber Laser Welding of Stainless Steel
溶接学会論文集 : quarterly journal of the Japan Welding Society, 20 Jan. 2010
27, 3, 183, 188 - KATAYAMA Seiji; KAWAHITO Yousuke
In-Process Monitoring and Adaptive Control in Micro Welding with a Single-Mode Fiber Laser
Transactions of JWRI, Dec. 2009
38, 2, 5, 11 - T. Terajima; Y. Kawahito; S. Katayama; K. Nakata; H. Kimura; A. Inoue
High Powder Fiber Laser Processing of Zr-Based Glass
Proc. International Conference on Welding Science and Engineering 2009, 2009
162, 167 - ONISHI Terumasa; KAWAHITO Yousuke; KATAYAMA Seiji
In-Process Monitoring and Adaptive Control in Full Penetration of Thin Titanium Sheets with CW Fiber Laser
高温学会誌, 21 Nov. 2008
34, 6, 3, 4 - ABE Youhei; MATSUMOTO Naoyuki; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
10kW Fiber Laser Welding with Optical System of Long Depth of Focus
高温学会誌, 21 Nov. 2008
34, 6, 5, 6 - NIWA Yusuke; KAWAHITO Yousuke; KATAYAMA Seiji; KUBOTA Shuji
335 Laser-Assisted Direct Joining of Titanium Alloy and Polyethylene Terephthalate
Pre-Prints of the National Meeting of JWS, 20 Aug. 2008
83, 254, 255 - KAWAHITO Yousuke; MATSUMOTO Naoyuki; KINOSHITA Keisuke; TSUBOTA Shuho; ISHIDE Takashi; KATAYAMA Seiji
319 Absorption features of fiber laser for aluminum alloy and stainless steel
Pre-Prints of the National Meeting of JWS, 20 Aug. 2008
83, 222, 223 - MATSUMOTO Naoyuki; KAWAHITO Yousuke; MIZUTANI Masami; KATAYAMA Seiji
109 Welding phenomena of high-tensile strength steel with high power fiber laser
Pre-Prints of the National Meeting of JWS, 17 Mar. 2008
82, 20, 21 - KAWAHITO Yousuke; KATAYAMA Seiji
High-Power Fiber Laser Welding and Its Phenomena
The Review of laser engineering, 15 Dec. 2007
35, 12, 772, 775 - KATAYAMA Seiji; KAWAHITO Yousuke; MIZUTANI Masami
Investigation of High-Power Fiber Laser Welding Phenomena of Stainless Steel
Transactions of JWRI, Dec. 2007
36, 2, 11, 15 - KATAYAMA Seiji; KAWAHITO Yousuke; KITO Masayuki
Adaptive Gap Control in Butt Welding with a Pulsed YAG Laser
Transactions of JWRI, Dec. 2007
36, 2, 5, 10 - KAWASAKI Masaharu; KAWAHITO Yousuke; KATAYAMA Seiji
120 In-process monitoring and adaptive control in micro welding with CW fiber laser
Pre-Prints of the National Meeting of JWS, 01 Sep. 2007
81, 42, 43 - KAWAHITO Yousuke; KINOSHITA Keisuke; MATSUMOTO Naoyuki; MIZUTANI Masami; KATAYAMA Seiji
119 Interaction between laser beam and plume induced in high-brightness fiber laser welding of stainless steal
Pre-Prints of the National Meeting of JWS, 01 Sep. 2007
81, 40, 41 - NAGAYAMA Hiroyuki; MIZUTANI Masami; KAWAHITO Yousuke; KATAYAMA Seiji
440 High power fiber laser weldability of aluminum alloy
Pre-Prints of the National Meeting of JWS, 01 Sep. 2007
81, 344, 345 - MATSUMOTO Naoyuki; KAWAHITO Yousuke; MIZUTANI Masami; KATAYAMA Seiji
439 Characteristics of laser absorption in high-power fiber laser welding of stainless steel and aluminum alloy
Pre-Prints of the National Meeting of JWS, 01 Sep. 2007
81, 342, 343 - KATAYAMA Seiji; KAWAHITO Yousuke
Laser-Assisted Metal and Plastic Joining Technology
自動車技術 = Journal of Society of Automotive Engineers of Japan, 01 Apr. 2007
61, 4, 49, 54 - KATAYAMA Seiji; NIWA Yusuke; KAWAHITO Yousuke; KUBOTA Shyuji; TANGE Akio
216 LAMP Joining between PET (Polyethylene Terephthalate) and Stainless Steel : Laser-Assisted Metal-Plastic (LAMP) Direct-Joining (The Third Report)
Pre-Prints of the National Meeting of JWS, 19 Mar. 2007
80, 80, 81 - KINOSHITA Keisuke; KAWAHITO Yousuke; KATAYAMA Seiji; TSUBOTA Shuho; ISHIDE Takasi
340 Visualization of Interaction between Fiber Laser Beam and Laser-Induced Plume
Pre-Prints of the National Meeting of JWS, 20 Aug. 2005
77, 276, 277 - Yoshida Takeshi; Kawahito Yousuke; Katayama Seiji
Laser spot welding of aluminum alloy sheet and monitoring during welding
Pre-Prints of the National Meeting of JWS, 24 Mar. 2003
72, 18, 19 - KAWAHITO Yousuke; FUNAMI Kouji; OKADA Toshiharu; KATAYAMA Seiji
In-Process Monitoring and Adaptive Control in Laser Micro-Spot Welding of Copper
The Review of laser engineering, 15 Mar. 2003
31, 3, 231, 235
Books and Other Publications
Presentations
- 川人洋介、森路子
難接着複合材と軽金属とのレーザ直接接合機構解明と特性評価
OPTICS PHOTONICS International Exhibition 2025（OPIE’25）, 23 Apr. 2025 - 中村強、川人洋介、岩崎富生、森路子、北田数也、真砂啓、外崎瞳
Innovative laser direct joining of PEEK-CFRP and light metals for carbon neutrality
Lasers in Manufacturing Conference (LiM 2025), 25 Jun. 2025 - 中村強、川人洋介、岩崎富生、森路子、北田数也、真砂啓、外崎瞳
Laser direct joining of difficult-to-join composite materials and light metals for carbon neutrality
The 44th annual International Congress on Applications of Lasers & Electro-Optics (ICALEO 2025), 14 Oct. 2025 - 中村強、岩崎富生、森路子、北田数也、真砂啓、外崎瞳、川人洋介
難接着複合材と軽金属とのレーザ直接接合機構解明と特性評価
第102回レーザ加工学会講演会, 10 Jul. 2025 - 中村強、岩崎富生、森路子、北田数也、真砂啓、外崎瞳、川人洋介
レーザー直接接合によるPEEK-CFRP/チタン合金異材接合機構の解明と接合特性の評価
レーザー学会学術講演会第46回年次大会, 15 Jan. 2026 - 川人洋介、森路子
原子力発電所の廃炉に向けたレーザ技術
OPTICS PHOTONICS International Exhibition 2025（OPIE’25）, 23 Apr. 2025 - 川人洋介、森路子
光と物質との相互作用の数値計算
OPTICS PHOTONICS International Exhibition 2025（OPIE’25）, 23 Apr. 2025 - 川人洋介、森路子
原子力発電所の廃炉に向けたレーザ技術
第9回 福島第一廃炉国際フォーラム, 04 Aug. 2025 - Yosuke Kawahito
Innovative high power laser cutting of 1-m reinforced concrete with gravity
LIM2025, 23 Jun. 2025 - 川人洋介
樹脂金属とのレーザ直接接合 -PEEK-CFRPとチタン合金との接合
医療機器メーカーニプロ講演会, 26 May 2025, [Invited] - 川人洋介
チタン合金とPEEK-CFRPとのレーザ直接接合技術
（一社）日本チタン協会賛助会員部会 西日本支部 夏季総会・研修会, 25 Sep. 2025, [Invited]
