Mechanics of hydrogen induced contact fracture and evaluation method of hydrogen embrittlement cracking

• Project/Area Number: 22760077
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Materials/Mechanics of materials
• Research Institution: Chuo University (2012); Osaka University (2010-2011)
• Principal Investigator: YONEZU Akio 中央大学, 理工学部, 准教授 (40398566)
• Project Period (FY): 2010 – 2012
• Project Status: Completed (Fiscal Year 2012)
• Budget Amount: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000); Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000); Fiscal Year 2010: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
• Keywords: 水素ぜい化 / 接触破壊 / 水素ぜい化感受性評価法 / 水素脆化 / 有限要素法 / 接触負荷

Research Abstract

This study investigates hydrogen embrittlement cracking (HEC) upon indentation in a high-strength steel. An experimental/computational investigation is carried out to elucidate the mechanism of such indentation cracks caused by hydrogen embrittlement. The

Research Products

• [Journal Article] On the mechanism of intergranular stress corrosion cracking of sensitized stainless steel in tetrathionate solution (2013)
  • Author(s): Akio Yonezu, Ryota Kusano, Xi Chen
  • Journal Title: Journal of Materials Science Volume: Vol.48, No.6 Pages: 2447-2453
  • Peer Reviewed
• [Journal Article] Contact fracture mechanism of electroplated Ni-P coating upon stainless steel substrate (2013)
  • Author(s): Akio Yonezu, Michihiro Niwa, Jiping Ye, Xi Chen
  • Journal Title: Materials Science & Engineering A Volume: Vol.563 Pages: 184-192
  • Peer Reviewed
• [Journal Article] Evaluation of Threshold Stress Intensity Factor of Hydrogen EmbrittlementCracking by Indentation Testing (2012)
  • Author(s): Akio Yonezu, Takuma Hara, Toshiyuki Kondo, Hiroyuki Hirakata, Kohji Minoshima
  • Journal Title: Materials Science & Engineering A Volume: 531 Pages: 147-154
  • Peer Reviewed
• [Journal Article] Evaluation of Threshold Stress Intensity Factor of Hydrogen Embrittlement Cracking by Indentation Testing (2012)
  • Author(s): Akio Yonezu, Takuma Hara, Toshiyuki Kondo, Hiroyuki Hirakata, Kohji Minoshima
  • Journal Title: Materials Science & Engineering A Volume: 531 Pages: 147-154
  • DOI: 10.1016/j.msea.2011.10.049
  • Peer Reviewed
• [Journal Article] 押込み試験法に基づくオーステナイト系ステンレス鋼低サイクル疲労材の余寿命推定 (2011)
  • Author(s): 米津明生,東田祐弥,金学貴,米田敬詞,崎原雅之,箕島弘二
  • Journal Title: 日本機械学会論文集 A 編 Volume: 77 Pages: 1859-1870
  • NAID: 130001423286
  • Peer Reviewed
• [Journal Article] 押込み試験法に基づくオーステナイト系ステンレス鋼低サイクル疲労材の余寿命推定 (2011)
  • Author(s): 米津明生, 東田祐弥, 金学貴, 米田敬詞, 崎原雅之, 箕島弘二
  • Journal Title: 日本機械学会論文集A編 Volume: 77 Pages: 1859-1870
  • NAID: 130001423286
  • Peer Reviewed
• [Journal Article] A Simple Method to Evaluate Anisotropic Plastic Properties Based on Dimensionless Function of Single Spherical Indentation - Application to SiC Whisker Reinforced Aluminum Alloy - (2010)
  • Author(s): Akio Yonezu, Keishi Yoneda, Hiroyuki Hirakata, Masayuki Sakihara and Kohji Minoshima
  • Journal Title: Materials Science and Engineering A Volume: 527 Pages: 7646-7657
  • Peer Reviewed
• [Journal Article] On Hydrogen-induced Vickers Indentation Cracking in High-strength Steel (2010)
  • Author(s): Akio Yonezu, Masanori Arino, Toshiyuki Kondo, Hiroyuki Hirakata, and Kohji Minoshima
  • Journal Title: Mechanics Research Communications Volume: 37 Pages: 230-234
  • Peer Reviewed
• [Journal Article] A Simple Method to Evaluate Anisotropic Plastic Properties Based on Dimensionless Function of Single Spherical Indentation-Application to SiC Whisker Reinforced Aluminum Alloy- (2010)
  • Author(s): Akio Yonezu, Keishi Yoneda, Hiroyuki Hirakata, Masayuki Sakihara, Kohji Minoshima
  • Journal Title: Materials Science and Engineering A Volume: 527 Pages: 7646-7657
  • Peer Reviewed
• [Presentation] 押込み法による高強度鋼の水素脆化感受性の評価法 (2012)
  • Author(s): 米津明生,箕島弘二
  • Organizer: 日本非破壊検査協会 平成 24 年度春季講演大会講演概要集
  • Place of Presentation: 東京
  • Year and Date: 2012-05-23
• [Presentation] 微小押込み試験法に基づくオーステナイト系ステンレス鋼低サイクル疲労材の余寿命推定 (2012)
  • Author(s): 米津明生,箕島弘二
  • Organizer: 日本非破壊検査協会 平成 24 年度春季講演大会講演概要集
  • Place of Presentation: 東京
  • Year and Date: 2012-05-23
• [Presentation] Finite Element Modeling of Indentation Fracture Mechanics for Environmentally-induced Cracking (2012)
  • Author(s): Akio Yonezu
  • Organizer: International Mini-Symposium
  • Place of Presentation: Hanyang University, Seoul, Korea
  • Year and Date: 2012-04-09
• [Presentation] Finite Element Modeling of Indentation Fracture Mechanics for Environmentally-induced Cracking (2012)
  • Author(s): Akio Yonezu
  • Organizer: International Mini-Symposium, Modeling Material Behavior at Multiple Scales, WCU program
  • Place of Presentation: Hanyang University
  • Invited
• [Presentation] 微小押込み試験法に基づくオーステナイト系ステンレス鋼低サイクル疲労材の余寿命推定 (2012)
  • Author(s): 米津明生，箕島弘二
  • Organizer: 日本非破壊検査協会 平成24年度春季講演大会
  • Place of Presentation: 市ヶ谷アルカディア
• [Presentation] 押込み法による高強度鋼の水素脆化感受性の評価法 (2012)
  • Author(s): 米津明生，箕島弘二
  • Organizer: 日本非破壊検査協会 平成24年度春季講演大会
  • Place of Presentation: 市ヶ谷アルカディア
• [Presentation] Characterization of Indentation-Induced Hydrogen Cracking Using Cohesive Zone Modeling (2011)
  • Author(s): Akio Yonezu, Takuma Hara, Toshiyuki Kondo, Kohji Minoshima
  • Organizer: Materials Science & Technology 2011 Conference & Exhibition
  • Place of Presentation: Columbus, Ohio, USA
  • Year and Date: 2011-10-19
• [Presentation] Indentation Method to Characterize Degradation of High-strength Steel in Hydrogen Environment (2011)
  • Author(s): Akio Yonezu, Takuma Hara, Toshiyuki Kondo, Kohji Minoshima
  • Organizer: International Conference on Advanced Technology in Experimental Mechanics 2011
  • Place of Presentation: Kobe, Hyogo, Japan
  • Year and Date: 2011-09-19
• [Presentation] Indentation Method to Characterize Degradation of High-strength Steel in Hydrogen Environment (2011)
  • Author(s): Akio Yonezu, Takuma Hara, Toshiyuki Kondo, Kohji Minoshima
  • Organizer: International Conference on Advanced Technology in Experimental Mechanics 2011
  • Place of Presentation: Kobe, Hyogo, Japan(招待講演)
  • Year and Date: 2011-09-19
• [Presentation] 押込み試験法に基づくオーステナイト系ステンレス鋼の低サイクル疲労寿命の評価 (2011)
  • Author(s): 米津明生,東田祐弥,金学貴,米田敬詞,崎原雅之,箕島弘二
  • Organizer: 日本機械学会 2011 年度年次大会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2011-09-12
• [Presentation] 押込み試験法に基づくオーステナイト系ステンレス鋼の低サイクル疲労寿命の評価 (2011)
  • Author(s): 米津明生, 東田祐弥, 金学貴, 米田敬詞, 崎原雅之, 箕島弘二
  • Organizer: 日本機械学会2011年度年次大会
  • Place of Presentation: 東京工業大学
  • Year and Date: 2011-09-12
• [Presentation] 押込み法による高強度鋼の水素ぜい化感受性評価法の提案 (2011)
  • Author(s): 米津明生,原琢磨,箕島弘二
  • Organizer: 日本機械学会M&M2011 材料力学カンファレンス
  • Place of Presentation: 九州工業大学
  • Year and Date: 2011-07-17
• [Presentation] 押込み法による高強度鋼の水素ぜい化感受性評価法の提案 (2011)
  • Author(s): 米津明生, 原琢磨, 箕島弘二
  • Organizer: 日本機械学会M&M2011材料力学カンファレンス
  • Place of Presentation: 九州工業大学
  • Year and Date: 2011-07-17
• [Presentation] Indentation Method to Evaluate Anisotropic Plastic Properties of SiC Whisker Reinforced (2011)
  • Author(s): Akio Yonezu, Keishi Yoneda, Kohji Minoshima
  • Organizer: Aluminum Alloy International Indentation Workshop 4
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2011-07-06
• [Presentation] Indentation Method to Evaluate Anisotropic Plastic Properties of SiC Whisker Reinforced Aluminum Alloy (2011)
  • Author(s): Akio Yonezu, Keishi Yoneda, Kohji Minoshima
  • Organizer: International Indentation Workshop 4
  • Place of Presentation: Seoul, Korea
  • Year and Date: 2011-07-06
• [Presentation] Indentation Method as a Tool of Quantitative Mechanical Testing - Its Application of Deformation, Fracture and Environmental Assisted Cracking-, Mutliscale Simulation and Nano Fusion Technologies for Sustainable Infrastructures (2011)
  • Author(s): Akio Yonezu
  • Organizer: Seminar, World Class University (WCU) program at
  • URL: http://msnf.hanyang.ac.kr/
  • Place of Presentation: Hanyang University, Seoul, Korea
  • Year and Date: 2011-07-05
• [Remarks]
  • URL: http://mater.mech.chuo-u.ac.jp/
• [Remarks]
  • URL: http://www-micro.mech.eng.osaka-u.ac.jp/home.html
• [Remarks]
  • URL: http://www.dma.jim.osaka-u.ac.jp/kg-portal/aspi/RX0011D.asp?UNO=16315&page=
• [Remarks]
  • URL: http://jglobal.jst.go.jp/detail.php?JGLOBAL_ID=200901054995864860
• [Remarks]
  • URL: http://researchmap.jp/read0115057/?lang=japanese
• [Remarks]
  • URL: http://www.scopus.com/authid/detail.url?authorId=7801340679
• [Remarks]
  • URL: http://www.researcherid.com/rid/A-1404-2009
• [Remarks]
  • URL: http://www-micro.mech.eng.osaka-u.ac.jp/home.html
• [Remarks]
  • URL: http://www.dma.jim.osaka-u.ac.jp/kg-portal/aspi/RX0011D.asp?UNO=16315&page=
• [Remarks]
  • URL: http://jglobal.jst.go.jp/detail.php?JGLOBAL_ID=200901054995864860