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Takahiro Kubo
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Journal Articles

Experimental Proof of Reverse Bending Technique for Modifying Weld Residual Stress in Weld CTOD Specimen and Comparison of Effect with Other Techniques

Tetsuya Tagawa, Yasushi Morikage, Takahiro Kubo, Tsunehisa Handa, Yoshiki Mikami, Tomoya Kawabata
Journal: Journal of Testing and Evaluation
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. November 2021, 49(6): 4230–4247.
Paper No: JTE20200577
https://doi.org/10.1520/JTE20200577
Published Online: November 1, 2021
View Article titled, Experimental Proof of Reverse Bending Technique for Modifying Weld Residual Stress in Weld CTOD Specimen and Comparison of Effect with Other Techniques
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Proceedings Papers

Design of a Two-Piece Brassiere Cup From its Data Points Toward its Automation

Kotaro Yoshida, Hidefumi Wakamatsu, Eiji Morinaga, Takahiro Kubo
Proc. ASME. ISFA2020, 2020 International Symposium on Flexible Automation, V001T07A001, July 8–9, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISFA2020-9612
https://doi.org/10.1115/ISFA2020-9612
View Paper titled, Design of a Two-Piece Brassiere Cup From its Data Points Toward its Automation
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Topics: Design
Proceedings Papers

3D Shape Prediction of a Paper Model for a Brassiere Cup Consisting of Multiple Polygonal Patterns

Hidefumi Wakamatsu, Kyosuke Shirai, Eiji Morinaga, Takahiro Kubo
Proc. ASME. ISFA2020, 2020 International Symposium on Flexible Automation, V001T07A004, July 8–9, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISFA2020-9624
https://doi.org/10.1115/ISFA2020-9624
View Paper titled, 3D Shape Prediction of a Paper Model for a Brassiere Cup Consisting of Multiple Polygonal Patterns
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Topics: Design, Shapes, Potential energy, Textiles, Geometry, Simulation, Wire
Journal Articles

Crack Geometry Effect on Stress-Strain Fields for Crack Under Biaxial Loading

Fumiyoshi Minami, Mitsuru Ohata, Daisuke Watanabe, Satoshi Igi, Takahiro Kubo, Nobuhisa Suzuki
Journal: Journal of Pressure Vessel Technology
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2010, 132(1): 011404.
https://doi.org/10.1115/1.4000348
Published Online: December 23, 2009
View Article titled, Crack Geometry Effect on Stress-Strain Fields for Crack Under Biaxial Loading
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Topics: Fracture (Materials), Stress, Brittle fracture
Proceedings Papers

Effect of Transformation Temperature of Weld Metal on Welding Distortion

Yasushi Morikage, Takahiro Kubo, Koichi Yasuda, Yoshiki Mikami, Masahito Mochizuki, Hirohisa Watanabe
Proc. ASME. OMAE2008, Volume 5: Materials Technology; CFD and VIV, 429-438, June 15–20, 2008
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2008-57709
https://doi.org/10.1115/OMAE2008-57709
View Paper titled, Effect of Transformation Temperature of Weld Metal on Welding Distortion
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Topics: Metals, Temperature, Welding, Welded joints, Wire, Computer simulation, Heating and cooling, Martensitic transformations, Mechanical properties, Performance
Proceedings Papers

Crack Geometry Effect on Stress-Strain Fields for Crack Under Biaxial Loading

Fumiyoshi Minami, Mitsuru Ohata, Daisuke Watanabe, Satoshi Igi, Takahiro Kubo, Nobuhisa Suzuki
Proc. ASME. IPC2008, 2008 7th International Pipeline Conference, Volume 3, 685-693, September 29–October 3, 2008
Publisher: American Society of Mechanical Engineers
Paper No: IPC2008-64457
https://doi.org/10.1115/IPC2008-64457
View Paper titled, Crack Geometry Effect on Stress-Strain Fields for Crack Under Biaxial Loading
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Topics: Fracture (Materials), Geometry, Stress, Damage, Pipelines, Surface cracks, Brittle fracture, Corners (Structural elements), Design, Ductile fracture
Proceedings Papers

Application of WES2808 to Brittle Fracture Assessment for High Strength Gas Pipelines

Takahiro Kubo, Satoshi Igi, Tsunehisa Handa, Nobuhisa Suzuki, Masao Toyoda, Mitsuru Ohata, Fumiyoshi Minami
Proc. ASME. OMAE2007, Volume 3: Pipeline and Riser Technology; CFD and VIV, 209-218, June 10–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2007-29246
https://doi.org/10.1115/OMAE2007-29246
View Paper titled, Application of WES2808 to Brittle Fracture Assessment for High Strength Gas Pipelines
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Topics: Brittle fracture, Pipelines, Fracture toughness, Fracture (Materials), Fracture (Process), Design, Pressurized gas, Structural elements (Construction), Tensile deformation, Welding
Proceedings Papers

Ductile Cracking Evaluation of X80/X100 High Strength Linepipes

Teruki Sadasue, Satoshi Igi, Takahiro Kubo, Nobuyuki Ishikawa, Shigeru Endo, Alan Glover, David Horsley, Masao Toyoda
Proc. ASME. IPC2004, 2004 International Pipeline Conference, Volumes 1, 2, and 3, 1661-1669, October 4–8, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IPC2004-0249
https://doi.org/10.1115/IPC2004-0249
View Paper titled, Ductile Cracking Evaluation of X80/X100 High Strength Linepipes
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Topics: Ductile fracture, Finite element analysis, Deformation, Design, Displacement, Materials properties, Pipes, Welded joints
Proceedings Papers

Fracture Assessment Procedure for Steel Structures Subjected to Large Cyclic and Dynamic Strain – Based on WES TR 2808

Fumiyoshi Minami, Masao Toyoda, Takahiro Kubo, Hiroshi Shimanuki, Noboru Konda, Satoshi Igi
Proc. ASME. PVP2002, Fatigue, Fracture and Damage Analysis, Volume 1, 57-68, August 5–9, 2002
Publisher: American Society of Mechanical Engineers
Paper No: PVP2002-1332
https://doi.org/10.1115/PVP2002-1332
View Paper titled, Fracture Assessment Procedure for Steel Structures Subjected to Large Cyclic and Dynamic Strain – Based on WES TR 2808
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Topics: Fracture (Materials), Steel, Fracture toughness, Structural elements (Construction), Temperature, Stress, Deformation, Dynamic testing (Materials), Earthquakes, Flow (Dynamics)
Proceedings Papers

Residual Stress Redcution by Using Weld Metal With Property of Low-Temperature Phase Transformation

Masahito Mochizuki, Masao Toyoda, Takahiro Kubo, Yasushi Morikage
Proc. ASME. PVP2004, Residual Stress, Fracture, and Stress Corrosion Cracking, 77-83, July 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: PVP2004-2650
https://doi.org/10.1115/PVP2004-2650
View Paper titled, Residual Stress Redcution by Using Weld Metal With Property of Low-Temperature Phase Transformation
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Topics: Low temperature, Metals, Phase transitions, Stress, Welding, Finite element analysis, Computer simulation, Heat, Nickel, Residual stresses
Proceedings Papers

Ductile Fracture Evaluation of Welded Joints With a Surface Flaw Under Large Deformation

Satoshi Igi, Takahiro Kubo, Masayoshi Kurihara
Proc. ASME. PVP2005, Volume 6: Materials and Fabrication, 209-215, July 17–21, 2005
Publisher: American Society of Mechanical Engineers
Paper No: PVP2005-71521
https://doi.org/10.1115/PVP2005-71521
View Paper titled, Ductile Fracture Evaluation of Welded Joints With a Surface Flaw Under Large Deformation
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Topics: Deformation, Ductile fracture, Welded joints, Metals, Stress, Finite element analysis, Fracture (Materials), Fracture (Process), Plates (structures), Steel
Proceedings Papers

Fracture Assessment of Welded Joint With Geometrical Discontinuity Using the Weibull Stress

Satoshi Igi, Takahiro Kubo, Masayoshi Kurihara, Fumiyoshi Minami
Proc. ASME. PVP2006-ICPVT-11, Volume 7: Operations, Applications, and Components, 415-421, July 23–27, 2006
Publisher: American Society of Mechanical Engineers
Paper No: PVP2006-ICPVT-11-94047
https://doi.org/10.1115/PVP2006-ICPVT-11-94047
View Paper titled, Fracture Assessment of Welded Joint With Geometrical Discontinuity Using the Weibull Stress
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Topics: Fracture (Materials), Fracture (Process), Stress, Welded joints, Brittle fracture, Fracture toughness, Corners (Structural elements), Finite element analysis, Metals, Microcracks
Proceedings Papers

Study on Unstable Brittle Crack Arrest Toughness of Extremely-Low Carbon Bainitic Steel Plates

Tsunehisa Handa, Takahiro Kubo, Keniti Amano, Mitsuhiro Okatsu, Kazunori Miyamoto, Michio Satoh
Proc. ASME. IMECE2004, Materials, 179-185, November 13–19, 2004
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2004-59739
https://doi.org/10.1115/IMECE2004-59739
View Paper titled, Study on Unstable Brittle Crack Arrest Toughness of Extremely-Low Carbon Bainitic Steel Plates
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Topics: Brittleness, Carbon, Fracture (Materials), Fracture toughness, Plates (structures), Steel, Phase transition temperature, High strength steel, Microcracks, Notch testing