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Proceedings Papers

Visualization of Trapped Hydrogen Along Grain Boundaries and its Roles on Hydrogen-Induced Intergranular Fracture in Slow Strain Rate Tensile Testing of Pure Nickel

Kentaro Wada, Junichiro Yamabe, Hisao Matsunaga
Proc. ASME. PVP2020, Volume 6: Materials and Fabrication, V006T06A083, August 3, 2020
Paper No: PVP2020-21021
DOI: https://doi.org/10.1115/PVP2020-21021
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Topics: Fracture (Materials), Fracture (Process), Grain boundaries, Hydrogen, Hydrogen embrittlement, Iron, Mass spectrometry, Nickel, Tensile testing, Thermal desorption
Proceedings Papers

Various Strength Properties of Aluminum Alloys in High-Pressure Hydrogen Gas Environment

Saburo Matsuoka, Takashi Iijima, Satoko Yoshida, Junichiro Yamabe, Hisao Matsunaga
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A031, July 14–19, 2019
Paper No: PVP2019-93478
DOI: https://doi.org/10.1115/PVP2019-93478
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Topics: Aluminum alloys, High pressure (Physics), Hydrogen, Fracture (Materials), Fatigue cracks, Fatigue life, Hydrostatic pressure, Oxygen, Shear (Mechanics), Temperature
Proceedings Papers

Change of Crack Initiation and Propagation Modes in Hydrogen-Related Failure of a Precipitation-Strengthened Ni-Based Superalloy 718 Under Internal and External Hydrogen Conditions

Yuhei Ogawa, Osamu Takakuwa, Saburo Okazaki, Saburo Matsuoka, Hisao Matsunaga
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A025, July 14–19, 2019
Paper No: PVP2019-93204
DOI: https://doi.org/10.1115/PVP2019-93204
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Topics: Failure, Fracture (Materials), Hydrogen, Precipitation, Superalloys, Fracture (Process), Ductility, Deformation, Annealing, Brittleness
Proceedings Papers

Temperature Dependence of Fatigue Crack Growth in Low-Carbon Steel Under Gaseous Hydrogen

Osamu Takakuwa, Yuhei Ogawa, Saburo Okazaki, Hisao Matsunaga, Saburo Matsuoka
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A029, July 14–19, 2019
Paper No: PVP2019-93451
DOI: https://doi.org/10.1115/PVP2019-93451
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Topics: Carbon, Fatigue cracks, Hydrogen, Steel, Temperature effects, Plasticity, Temperature, Fracture (Materials), Electron backscatter diffraction, Wakes
Proceedings Papers

Fracture and Deformation Behavior in Slow-Strain-Rate Tensile Testing of Cu–Ni Alloy With Internal Hydrogen

Kentaro Wada, Junichiro Yamabe, Yuhei Ogawa, Osamu Takakuwa, Takashi Iijima, Hisao Matsunaga
Proc. ASME. PVP2019, Volume 6B: Materials and Fabrication, V06BT06A030, July 14–19, 2019
Paper No: PVP2019-93477
DOI: https://doi.org/10.1115/PVP2019-93477
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Topics: Alloys, Deformation, Fracture (Materials), Fracture (Process), Hydrogen, Nickel alloys, Tensile testing
Proceedings Papers

Introduction of Technical Document in Japan for Safe Use of Ground Storage Vessels Made of Low Alloy Steels for Hydrogen Refueling Stations

Hajime Fukumoto, Yoru Wada, Hisao Matsunaga, Takeru Sano, Hiroshi Kobayashi
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A036, July 15–20, 2018
Paper No: PVP2018-84099
DOI: https://doi.org/10.1115/PVP2018-84099
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Topics: Alloy steel, Hydrogen, Storage, Vessels, Fatigue cracks, Tensile strength, Fatigue testing, High-pressure vessels, Hydrogen embrittlement, Inspection
Proceedings Papers

Fatigue Life Properties of Circumferentially-Notched Bar of Austenitic Stainless Steel With Various Concentration Factors

Naoaki Nagaishi, Michio Yoshikawa, Saburo Okazaki, Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A032, July 15–20, 2018
Paper No: PVP2018-84420
DOI: https://doi.org/10.1115/PVP2018-84420
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Topics: Fatigue life, Stainless steel, Stress, Fatigue testing, Stress concentration, Constitutive equations, Deformation, Finite element analysis, Temperature
Proceedings Papers

Temperature Dependence of Fatigue Crack Growth in Low-Alloy Steel Under Gaseous Hydrogen

Osamu Takakuwa, Saburo Matsuoka, Saburo Okazaki, Michio Yoshikawa, Junichiro Yamabe, Hisao Matsunaga
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A033, July 15–20, 2018
Paper No: PVP2018-84438
DOI: https://doi.org/10.1115/PVP2018-84438
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Topics: Alloys, Fatigue cracks, Hydrogen, Steel, Temperature effects, Temperature, Binding energy, Dislocations, Pressure, ASTM International
Proceedings Papers

Global Harmonization of Fatigue Life Testing in Gaseous Hydrogen

Chris San Marchi, Junichiro Yamabe, Martina Schwarz, Hisao Matsunaga, Stefan Zickler, Saburo Matsuoka, Hideo Kobayashi
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A041, July 15–20, 2018
Paper No: PVP2018-84898
DOI: https://doi.org/10.1115/PVP2018-84898
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Topics: Fatigue life, Hydrogen, Testing, Fatigue, High pressure (Physics), Pressure, Temperature, Carbon, Electric vehicles, Fracture (Materials)
Proceedings Papers

Methods of Material Testing in High-Pressure Hydrogen Environment and Evaluation of Hydrogen Compatibility of Metallic Materials: Current Status in Japan

Hideo Kobayashi, Hiroshi Kobayashi, Takeru Sano, Takashi Maeda, Hiroaki Tamura, Ayumu Ishizuka, Mitsuo Kimura, Nobuhiro Yoshikawa, Takashi Iijima, Junichiro Yamabe, Saburo Matsuoka, Hisao Matsunaga
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A026, July 15–20, 2018
Paper No: PVP2018-84112
DOI: https://doi.org/10.1115/PVP2018-84112
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Topics: High pressure (Physics), Hydrogen, Materials testing, Testing, Automobiles, Databases, Fuel cell vehicles
Proceedings Papers

Influence of Hydrogen on Tensile and Fatigue Life Properties of 304/308 Austenitic Stainless Steel Butt Welded Joints

Saburo Okazaki, Hisao Matsunaga, Masami Nakamura, Shigeru Hamada, Saburo Matsuoka
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A038, July 15–20, 2018
Paper No: PVP2018-84781
DOI: https://doi.org/10.1115/PVP2018-84781
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Topics: Fatigue life, Hydrogen, Stainless steel, Welded joints, Fatigue limit, Martensitic transformations, Fatigue testing, Ferrites (Magnetic materials), Base metals, Elongation
Proceedings Papers

Evaluation of the Compatibility of High-Strength Aluminum Alloy 7075-T6 to High-Pressure Gaseous Hydrogen Environments

Yuhei Ogawa, Dain Kim, Hisao Matsunaga, Saburo Matsuoka
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A030, July 15–20, 2018
Paper No: PVP2018-84321
DOI: https://doi.org/10.1115/PVP2018-84321
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Topics: Aluminum alloys, High pressure (Physics), Hydrogen, Alloys, Fatigue cracks, Fatigue life, Fracture toughness, Ductility, Fuel cell vehicles, Hydrogen embrittlement
Proceedings Papers

Hydrogen-Assisted Fatigue Crack Propagation in a Commercially Pure BCC Iron

Domas Birenis, Yuhei Ogawa, Hisao Matsunaga, Osamu Takakuwa, Junichiro Yamabe, Øystein Prytz, Annett Thøgersen
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A039, July 15–20, 2018
Paper No: PVP2018-84783
DOI: https://doi.org/10.1115/PVP2018-84783
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Topics: Fatigue cracks, Hydrogen, Iron, Fracture (Materials), Fracture (Process), Dislocations, Deformation, Electron microscopy, Fatigue, Plasticity
Proceedings Papers

Fatigue Life Properties of Circumferentially-Notched, Type 304 Austenitic Stainless Steel in Hydrogen Gas

Naoaki Nagaishi, Michio Yoshikawa, Saburo Okazaki, Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka
Proc. ASME. PVP2017, Volume 6B: Materials and Fabrication, V06BT06A036, July 16–20, 2017
Paper No: PVP2017-65450
DOI: https://doi.org/10.1115/PVP2017-65450
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Topics: Fatigue life, Hydrogen, Stainless steel, Alloys, Deformation, Fatigue limit, Fatigue testing, Fracture (Materials), Pressure, Steel
Proceedings Papers

Recent Progress on Interpretation of Tensile Ductility Loss for Various Austenitic Stainless Steels With External and Internal Hydrogen

Osamu Takakuwa, Junichiro Yamabe, Hisao Matsunaga, Yoshiyuki Furuya, Saburo Matsuoka
Proc. ASME. PVP2017, Volume 6B: Materials and Fabrication, V06BT06A041, July 16–20, 2017
Paper No: PVP2017-65671
DOI: https://doi.org/10.1115/PVP2017-65671
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Topics: Ductility, Hydrogen, Stainless steel, Fracture (Materials), Fracture (Process), Steel, Alloys, High pressure (Physics), Metals, Nickel
Proceedings Papers

A Case Study of a Cooling Pipe for a Pre-Cooler Used in a 70-MPa Hydrogen Station

Saburo Okazaki, Hisao Matsunaga, Shigeru Hamada, Masami Nakamura, Hisatake Itoga, Saburo Matsuoka
Proc. ASME. PVP2017, Volume 6B: Materials and Fabrication, V06BT06A035, July 16–20, 2017
Paper No: PVP2017-65435
DOI: https://doi.org/10.1115/PVP2017-65435
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Topics: Cooling, Hydrogen, Pipes, Nitrogen, Base metals, Gas tungsten arc welding, Filler metals, Fracture (Materials), Fracture (Process), Temperature
Proceedings Papers

Excellent Resistance to Hydrogen Embrittlement of High-Strength Copper-Based Alloy

Yuhei Ogawa, Junichiro Yamabe, Hisao Matsunaga, Saburo Matsuoka
Proc. ASME. PVP2017, Volume 1A: Codes and Standards, V01AT01A043, July 16–20, 2017
Paper No: PVP2017-65532
DOI: https://doi.org/10.1115/PVP2017-65532
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Topics: Alloys, Copper, Hydrogen embrittlement, Hydrogen, Fracture toughness, Tensile strength, Annealing, Compression, Cooling, Ductility
eBook Chapter

Design and Life Prediction of Cr-Mo Steel Pressure Vessel for Next Generation Fuel-Cell Forklift Truck

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2017
ISBN: 9780791861387
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Topics: Design, Forklifts, Fuel cells, Pressure vessels, Steel
Proceedings Papers

Fatigue Life Properties and Anomalous Macroscopic Fatigue Fracture Surfaces of Low Carbon Steel JIS-SM490B in High-Pressure Hydrogen Gas Environment

Yuhei Ogawa, Hisao Matsunaga, Michio Yoshikawa, Junichiro Yamabe, Saburo Matsuoka
Proc. ASME. PVP2016, Volume 6B: Materials and Fabrication, V06BT06A027, July 17–21, 2016
Paper No: PVP2016-63375
DOI: https://doi.org/10.1115/PVP2016-63375
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Topics: Carbon steel, Fatigue, Fatigue life, Fracture (Materials), High pressure (Physics), Hydrogen, Fracture toughness, Cycles, Fatigue testing, Steel
Proceedings Papers

Mechanism of Hydrogen-Assisted Surface Crack Growth of Austenitic Stainless Steels in Slow Strain Rate Tensile Test

Saburo Matsuoka, Junichiro Yamabe, Hisao Matsunaga
Proc. ASME. PVP2016, Volume 6B: Materials and Fabrication, V06BT06A029, July 17–21, 2016
Paper No: PVP2016-63394
DOI: https://doi.org/10.1115/PVP2016-63394
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Topics: Hydrogen, Stainless steel, Surface cracks, Fracture (Materials), Fatigue cracks, High pressure (Physics), Brittleness, Deformation, Fatigue life, Fracture toughness