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Hidetoshi Fujii

The University of Osaka

1-1 Yamadaoka

Suita

Osaka, 565-0871

Japan

  • The University of Osaka

SCHOLARLY PAPERS

11

DOWNLOADS

500

TOTAL CITATIONS

5

Scholarly Papers (11)

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1.

Dissimilar Linear Friction Welding of Az31 Magnesium Alloy and Aa5052-H34 Aluminum Alloy

Number of pages: 25 Posted: 09 May 2024
Jeong-Won Choi, Haruki Tsuruyama, Ryutaro Hino, Yasuhiro Aoki, Yoshiaki Morisada, Hidetoshi Fujii and Seung-Joon Lee
Hiroshima University, Hiroshima University, Hiroshima University, The University of Osaka, The University of Osaka, The University of Osaka and Tech University of Korea - Department of Advanced Materials Engineering
Downloads 95 (725,554)

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Dissimilar linear friction welding, Mg (Magnesium) alloy, Al (Aluminum) alloy, Intermetallic compound (IMC) layer, Tensile properties, Fracture behavior

2.

Dependence of Friction-Stir Welding on Mechanism of Hydrogen Embrittlement in Medium-Mn Steel with Triplex-Phase Microstructure

Number of pages: 43 Posted: 14 Oct 2024
Kyo-Min Kwon, Hidetoshi Fujii, Hye-Jin Kim and Seung-Joon Lee
Tech University of Korea - Department of Advanced Materials Engineering, The University of Osaka, Hyundai Steel Company - Automotive Application Engineering Team and Tech University of Korea - Department of Advanced Materials Engineering
Downloads 75 (852,604)

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Hydrogen (H) embrittlement, Medium-Mn steel, Friction-stir welding (FSW), Transformation-induced plasticity (TRIP)

3.

Sound Dissimilar Friction Stir Welded Joint of Mild Steel and A7075 Aluminum Alloy by Increasing Welding Speed

Number of pages: 15 Posted: 16 Aug 2023
Mohamed Saleh, Yoshiaki Morisada, Kohsaku Ushioda and Hidetoshi Fujii
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and The University of Osaka
Downloads 59 (989,921)

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In this study, dissimilar friction stir welding of mild steel and A7075 aluminum alloy was conducted at a constant tool rotational speed (900 rpm) and different welding speeds of 100 to 400 mm/min with an interval of 100 mm/min. A thermocouple was employed

4.

Dynamic Recrystallization, Textural Evolution, and Strengthening Mechanism of Medium−Mn Steel Subjected to Friction−Stir Welding (Fsw)

Number of pages: 41 Posted: 28 Feb 2025
Hyo-Nam Choi, Seung-Joon Lee and Hidetoshi Fujii
Tech University of Korea, Tech University of Korea - Department of Advanced Materials Engineering and The University of Osaka
Downloads 53 (1,052,702)

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Friction−stir welding (FSW), Medium−Mn steels, Dynamic recrystallization, Texture, mechanical properties

5.

Comparative Study on Mechanism of Hydrogen Embrittlement of Fe-18mn-0.6c Twinning-Induced Plasticity (Twip) Steel Subjected to Friction-Stir Welding (Fsw) and Tungsten Inert-Gas (Tig) Welding

Number of pages: 63 Posted: 12 Mar 2024
Kyo-Min Kwon, Hye-Jin Kim, Hidetoshi Fujii, Jin-Seob Kim, Jin-Kyung Kim, Jeong-Won Choi and Seung-Joon Lee
Tech University of Korea - Department of Advanced Materials Engineering, Seoul National University - Department of Materials Science and Engineering, The University of Osaka, affiliation not provided to SSRN, Hanyang University, Hiroshima University and Tech University of Korea - Department of Advanced Materials Engineering
Downloads 45 (1,121,190)

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Hydrogen (H) embrittlement, Twinning-induced plasticity (TWIP), Fe-high Mn steels, Friction-stir welding (FSW), Tungsten inert-gas (TIG) welding

6.

Effect of Stacking−Fault Energy on Dynamic Recrystallization, Textural Evolution, and Strengthening Mechanism of Fe−Mn Based Twinning−Induced Plasticity (Twip) Steels During Friction−Stir Welding

Downloads 44 (1,133,231)
Citation 5

Effect of Stacking−Fault Energy on Dynamic Recrystallization, Textural Evolution, and Strengthening Mechanism of Fe−Mn Based Twinning−Induced Plasticity (Twip) Steels During Friction−Stir Welding

Number of pages: 40 Posted: 01 Mar 2024
Hyo-Nam Choi, Hidetoshi Fujii and Seung-Joon Lee
Tech University of Korea, The University of Osaka and Tech University of Korea - Department of Advanced Materials Engineering
Downloads 25 (1,430,393)

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Twinning−induced plasticity (TWIP) steel, Stacking−fault energy (SFE), Friction−stir welding (FSW), Dynamic recrystallization, Texture

Effect of Stacking−Fault Energy on Dynamic Recrystallization, Textural Evolution, and Strengthening Mechanism of Fe−Mn Based Twinning−Induced Plasticity (Twip) Steels During Friction−Stir Welding

Number of pages: 40 Posted: 17 Apr 2024
Hyo-Nam Choi, Hidetoshi Fujii and Seung-Joon Lee
Tech University of Korea, The University of Osaka and Tech University of Korea - Department of Advanced Materials Engineering
Downloads 19 (1,513,226)
Citation 5

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Twinning−induced plasticity (TWIP) steel, Stacking−fault energy (SFE), Friction−stir welding (FSW), Dynamic recrystallization, Texture

7.

High-Pressure Linear Friction Welding of Dissimilar Aa5052-H34 and Aa6061-T6 Joint

Downloads 38 (1,209,354)

High-Pressure Linear Friction Welding of Dissimilar Aa5052-H34 and Aa6061-T6 Joint

Number of pages: 28 Posted: 28 Jul 2023
Jeong-Won Choi, Jin-Ming Su, Ryutaro Hino, Motomichi Yamamoto, Yasuhiro Aoki and Hidetoshi Fujii
Hiroshima University, Hiroshima University, Hiroshima University, Hiroshima University, The University of Osaka - Joining and Welding Research Institute and The University of Osaka
Downloads 25 (1,430,393)

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Dissimilar linear friction welding, Aluminum alloys, microstructure, Mechanical properties, Strain, Plastic strain constraint

High-Pressure Linear Friction Welding of Dissimilar Aa5052-H34 and Aa6061-T6 Joint

Number of pages: 28 Posted: 09 Aug 2023
Jeong-Won Choi, Jin-Ming Su, Ryutaro Hino, Motomichi Yamamoto, Yasuhiro Aoki and Hidetoshi Fujii
Hiroshima University, Hiroshima University, Hiroshima University, Hiroshima University, The University of Osaka and The University of Osaka
Downloads 13 (1,579,999)

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Dissimilar linear friction welding, Aluminum alloys, microstructure, Mechanical properties, strain, Plastic strain constraint

8.

Dissimilar Joining of Carbon Steel and Aluminum Alloy by Center-Drive Double-Sided Linear Friction Welding

Number of pages: 26 Posted: 13 Sep 2023
Tetsuro Ito, Masayoshi Kamai, Takuya Miura, Yoshiaki Morisada and Hidetoshi Fujii
affiliation not provided to SSRN, The University of Osaka - Joining and Welding Research Institute, affiliation not provided to SSRN, affiliation not provided to SSRN and The University of Osaka
Downloads 26 (1,372,601)

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Linear friction welding, dissimilar welding, steel, aluminum alloy, welding temperature, Mechanical properties

9.

Cooperative deformation mechanism and its role on defect elimination in Pressure-controlled Joule-heat Forge Welding of Ti-6Al-4V/SUS316L dissimilar metals

Number of pages: 29 Posted: 09 Jan 2026
Yao Zhang, Jiaxun Li, Hui Huang, Yongbing Li, Yoshiaki Morisada, Hidetoshi Fujii and Huihong Liu
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Shanghai Jiao Tong University (SJTU) - Shanghai Key Laboratory of Digital Manufacture for Thin-walled Structures, The University of Osaka, The University of Osaka and Shanghai Jiao Tong University (SJTU) - Shanghai Key Laboratory of Digital Manufacture for Thin-walled Structures
Downloads 25 (1,399,036)

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Pressure-controlled Joule-heat Forge Welding, Dissimilar metal joining, Interfacial co-deformation, Relative sliding, Defect elimination

10.

Effect of Tool Shoulder Geometry on Lapped Al/Cfrtp Hybrid Joint Structure and Strength Made by Pinless Friction Spot Joining

Number of pages: 31 Posted: 02 Aug 2024
Weihao Li, Peihao GENG, Ninshu Ma, Hidetoshi Fujii and Ma Hong
affiliation not provided to SSRN, affiliation not provided to SSRN, The University of Osaka, The University of Osaka and Technical University of Denmark
Downloads 22 (1,424,331)

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Pinless friction spot joining, Al/CFRTP alloy, Tool Geometry, simulation, Thermal conduction, Strength

11.

Corrosion Properties of F82H/SUS316L Dissimilar Joints Produced by Fiber Laser Welding or Friction Stir Welding

Number of pages: 29 Posted: 07 Feb 2026
Hisashi Serizawa, Hirotatsu Kishimoto, Hiroaki Mori, Takuya Ogura, Taichiro KATO, Yoshiaki Morisada, Hidetoshi Fujii, Naofumi Nakazato, Motoki Nakajima, Takashi Nozawa and Ryuta Kasada
The University of Osaka, Muroran Institute of Technology, The University of Osaka, The University of Osaka, QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology, The University of Osaka, The University of Osaka, Muroran Institute of Technology, QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology, QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology and Tohoku University - Institute for Materials Research (IMR)
Downloads 18 (1,491,251)

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Reduced Activation Ferritic/Martensitic Steel, Austenitic Stainless Steel, Corrosion, Fiber Laser, Welding, Friction Stir Welding