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Proceedings Papers

Investigation of Surface Finish Effect on Fatigue Strength of Carbon and Low Alloy Steels

Seiji Asada, Akihiko Hirano, Yun Wang, Masao Itatani, Masahiro Takanashi, Yuichiro Nomura, Fumihiro Ochi, Takeshi Ogawa
Proc. ASME. PVP2022, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A041, July 17–22, 2022
Paper No: PVP2022-84695
https://doi.org/10.1115/PVP2022-84695
View Paper titled, Investigation of Surface Finish Effect on Fatigue Strength of Carbon and Low Alloy Steels
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Topics: Alloy steel, Carbon, Design, Fatigue, Fatigue strength, Finishes
Proceedings Papers

Cyclic Stress-Strain Curve of Austenitic Stainless Steels Applicable to Elastic-Plastic Stress Analysis

Seiji Asada, Yuichiro Nomura
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A051, July 13–15, 2021
Paper No: PVP2021-60525
https://doi.org/10.1115/PVP2021-60525
View Paper titled, Cyclic Stress-Strain Curve of Austenitic Stainless Steels Applicable to Elastic-Plastic Stress Analysis
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Topics: Stainless steel, Stress analysis (Engineering), Stress-strain curves
Proceedings Papers

Development of New Design Fatigue Curves in Japan – Treatment of Variable Loading Amplitude Effect

Seiji Asada, Yuichiro Nomura
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A032, July 13–15, 2021
Paper No: PVP2021-60418
https://doi.org/10.1115/PVP2021-60418
View Paper titled, Development of New Design Fatigue Curves in Japan – Treatment of Variable Loading Amplitude Effect
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Topics: Design, Fatigue
Proceedings Papers

Study on Incorporation of New Design Fatigue Curves and a New Environmental Fatigue Correction Factor for PWR Environment Into the JSME Environmental Fatigue Evaluation Method

Seiji Asada, Shengde Zhang, Masahiro Takanashi, Yuichiro Nomura
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A009, August 3, 2020
Paper No: PVP2020-21078
https://doi.org/10.1115/PVP2020-21078
View Paper titled, Study on Incorporation of New Design Fatigue Curves and a New Environmental Fatigue Correction Factor for PWR Environment Into the JSME Environmental Fatigue Evaluation Method
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Topics: Design, Evaluation methods, Fatigue, Japan Society of Mechanical Engineers, Pressurized water reactors, Stainless steel, Base metals, Fatigue analysis, Metals, Fatigue testing
Proceedings Papers

Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment (Step III)

Daiki Takagoshi, Seiji Asada, Yuichirou Nomura, Gary Stevens, Kawaljit Ahluwalia
Proc. ASME. PVP2019, Volume 1: Codes and Standards, V001T01A013, July 14–19, 2019
Paper No: PVP2019-93271
https://doi.org/10.1115/PVP2019-93271
View Paper titled, Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment (Step III)
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Topics: Fatigue, Pressurized water reactors, Water, Electric arc furnaces, Transients (Dynamics), Fatigue testing, Stainless steel, Stress, Temperature, Testing
Proceedings Papers

Development of New Design Fatigue Curves in Japan: Discussion of Fatigue Crack Growth Based on Fatigue Test Data With Large Scale Piping

Masaru Bodai, Yuichi Fukuta, Seiji Asada, Kentaro Hayashi
Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A049, July 14–19, 2019
Paper No: PVP2019-93272
https://doi.org/10.1115/PVP2019-93272
View Paper titled, Development of New Design Fatigue Curves in Japan: Discussion of Fatigue Crack Growth Based on Fatigue Test Data With Large Scale Piping
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Topics: Design, Fatigue, Fatigue cracks, Fatigue testing, Pipes, Stainless steel, Fracture (Materials), Stress, Alloy steel, Carbon steel
Proceedings Papers

Study on Incorporation of a New Design Fatigue Curve Into the JSME Environmental Fatigue Evaluation Method

Seiji Asada, Shengde Zhang, Masahiro Takanashi, Yuichirou Nomura
Proc. ASME. PVP2019, Volume 3: Design and Analysis, V003T03A050, July 14–19, 2019
Paper No: PVP2019-93273
https://doi.org/10.1115/PVP2019-93273
View Paper titled, Study on Incorporation of a New Design Fatigue Curve Into the JSME Environmental Fatigue Evaluation Method
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Topics: Design, Evaluation methods, Fatigue, Japan Society of Mechanical Engineers, Fatigue analysis, Nuclear power, Energy generation, Welding
Proceedings Papers

Development of New Design Fatigue Curves in Japan: Discussion of Best Fit Curves Based on Fatigue Test Data With Large Scale Piping

Masaru Bodai, Yuichi Fukuta, Seiji Asada, Kentaro Hayashi
Proc. ASME. PVP2018, Volume 3B: Design and Analysis, V03BT03A005, July 15–20, 2018
Paper No: PVP2018-84436
https://doi.org/10.1115/PVP2018-84436
View Paper titled, Development of New Design Fatigue Curves in Japan: Discussion of Best Fit Curves Based on Fatigue Test Data With Large Scale Piping
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Topics: Design, Fatigue, Fatigue testing, Pipes, Stainless steel, Alloy steel, Carbon steel, Databases, Stress, Surface finishing
Proceedings Papers

Development of New Design Fatigue Curves in Japan: Proposal of a New Fatigue Evaluation Method

Seiji Asada, Akihiko Hirano, Toshiyuki Saito, Yasukazu Takada, Hideo Kobayashi
Proc. ASME. PVP2018, Volume 3B: Design and Analysis, V03BT03A004, July 15–20, 2018
Paper No: PVP2018-84432
https://doi.org/10.1115/PVP2018-84432
View Paper titled, Development of New Design Fatigue Curves in Japan: Proposal of a New Fatigue Evaluation Method
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Topics: Design, Evaluation methods, Fatigue, Alloys, Stainless steel, Steel, Carbon steel, Fatigue testing, Databases, Finishes
Proceedings Papers

Applicability of Hollow Cylindrical Specimens to Environmental Assisted Fatigue Tests

Seiji Asada, Kazuya Tsutsumi, Yuichi Fukuta, Hiroshi Kanasaki
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A022, July 16–20, 2017
Paper No: PVP2017-65514
https://doi.org/10.1115/PVP2017-65514
View Paper titled, Applicability of Hollow Cylindrical Specimens to Environmental Assisted Fatigue Tests
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Topics: Fatigue testing, Electric arc furnaces, Fatigue, Testing, Displacement, Light water reactors, Water
Proceedings Papers

Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment: Step II

Seiji Asada, Daiki Takagoshi, Yuichi Fukuta, Kazuya Tsutsumi, Kawaljit Ahluwalia, David Steininger
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A034, July 16–20, 2017
Paper No: PVP2017-66233
https://doi.org/10.1115/PVP2017-66233
View Paper titled, Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment: Step II
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Topics: Fatigue, Pressurized water reactors, Water, Fatigue life, Fatigue testing, Transients (Dynamics), Cycles, Fracture (Materials), High temperature, Stainless steel
Proceedings Papers

Study on Mean Stress Effects for Design Fatigue Curves

Seiji Asada, Takeshi Ogawa, Makoto Higuchi, Hiroshi Kanasaki, Yasukazu Takada
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A027, July 17–21, 2016
Paper No: PVP2016-63796
https://doi.org/10.1115/PVP2016-63796
View Paper titled, Study on Mean Stress Effects for Design Fatigue Curves
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Topics: Design, Fatigue, Stress, Evaluation methods, Alloy steel, Carbon steel, Fatigue design, Nuclear power, Stainless steel, Welding
Proceedings Papers

Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment

Seiji Asada, Yuichi Fukuta, Kawaljit Ahluwalia, David Steininger
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A028, July 17–21, 2016
Paper No: PVP2016-63798
https://doi.org/10.1115/PVP2016-63798
View Paper titled, Study on Effects of Non-Isothermal Condition and Strain Holding on Environmentally Assisted Fatigue in PWR Primary Water Environment
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Topics: Fatigue, Pressurized water reactors, Water, Testing, Stainless steel, Cycles, Fatigue life, Fatigue testing, Temperature, Testing equipment
Proceedings Papers

Study on a New Design Fatigue Evaluation Method

Seiji Asada, Takashi Hirano, Takehiko Sera
Proc. ASME. PVP2015, Volume 1A: Codes and Standards, V01AT01A029, July 19–23, 2015
Paper No: PVP2015-45089
https://doi.org/10.1115/PVP2015-45089
View Paper titled, Study on a New Design Fatigue Evaluation Method
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Topics: Design, Evaluation methods, Fatigue, Fatigue design, Stress, Alloy steel, Carbon steel, Nuclear power, Stainless steel, Welding
Proceedings Papers

Environmental Fatigue Evaluation for Class 1 Components of an Advanced PWR

Seiji Asada, Kunimitsu Tatsuno, Masanori Toyoda, Yoshihiro Takayama, Naoaki Hirota, Yasushi Takayama, Masakazu Tajima
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A023, July 20–24, 2014
Paper No: PVP2014-28300
https://doi.org/10.1115/PVP2014-28300
View Paper titled, Environmental Fatigue Evaluation for Class 1 Components of an Advanced PWR
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Topics: Fatigue, Pressurized water reactors, Electric arc furnaces, Finite element analysis
Proceedings Papers

Study on Consideration of Size Effects on Design Fatigue Curve

Akihiko Hirano, Motoki Nakane, Seiji Asada, Takehiko Sera
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A029, July 20–24, 2014
Paper No: PVP2014-28573
https://doi.org/10.1115/PVP2014-28573
View Paper titled, Study on Consideration of Size Effects on Design Fatigue Curve
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Topics: Design, Fatigue, Fatigue testing, Compression, Tension, Fatigue life, Fatigue limit, Size effect, Cycles, Endurance limit
Proceedings Papers

Proposal of Surface Finish Factor on Fatigue Strength in Design Fatigue Curve

Yuichi Fukuta, Hiroshi Kanasaki, Seiji Asada, Takehiko Sera
Proc. ASME. PVP2014, Volume 1: Codes and Standards, V001T01A031, July 20–24, 2014
Paper No: PVP2014-28601
https://doi.org/10.1115/PVP2014-28601
View Paper titled, Proposal of Surface Finish Factor on Fatigue Strength in Design Fatigue Curve
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Topics: Design, Fatigue, Fatigue strength, Finishes, Alloy steel, Carbon, Surface roughness, Tensile strength, Regulations, Stainless steel
Proceedings Papers

Development of Fatigue Assessment Method Based on Flaw Tolerance Concept

Seiji Asada, Takeda Shuhei, Taiji Hirasawa, Toshiyuki Saito, Itaru Saito, Koji Dozaki
Proc. ASME. PVP2013, Volume 1B: Codes and Standards, V01BT01A039, July 14–18, 2013
Paper No: PVP2013-97773
https://doi.org/10.1115/PVP2013-97773
View Paper titled, Development of Fatigue Assessment Method Based on Flaw Tolerance Concept
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Topics: Fatigue, Evaluation methods, Japan Society of Mechanical Engineers, Energy generation, JSME Standards, Nondestructive evaluation, Nuclear power
Proceedings Papers

Effect of Surface Finish and Loading Conditions on the Low Cycle Fatigue Life of Stainless Steel Welded Piping in PWR Environment

Yuichi Fukuta, Yuichiro Nomura, Seiji Asada
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A013, July 14–18, 2013
Paper No: PVP2013-97157
https://doi.org/10.1115/PVP2013-97157
View Paper titled, Effect of Surface Finish and Loading Conditions on the Low Cycle Fatigue Life of Stainless Steel Welded Piping in PWR Environment
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Topics: Finishes, Low cycle fatigue, Pipes, Pressurized water reactors, Stainless steel, Fatigue, Fatigue analysis, Fatigue life, Japan Society of Mechanical Engineers, Polishing
Proceedings Papers

Plan and Status of Development of Design Fatigue Curves: Phase 1

Seiji Asada, Akihiko Hirano, Masao Itatani, Munehiro Yasuda, Takehiko Sera, Hideo Kobayashi
Proc. ASME. PVP2013, Volume 1A: Codes and Standards, V01AT01A026, July 14–18, 2013
Paper No: PVP2013-97767
https://doi.org/10.1115/PVP2013-97767
View Paper titled, Plan and Status of Development of Design Fatigue Curves: Phase 1
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Topics: Design, Fatigue, Alloy steel, Carbon steel, Nuclear power, Stainless steel, Welding