Determination mechanism of crack-growth resistance of bcc/fcc metals in very high-pressure hydrogen gas environment

超高压氢气环境下bcc/fcc金属抗裂纹扩展能力的测定机制

• 批准号: 16H04238
• 负责人: Matsunaga Hisao
• 金额: $ 11.15万
• 依托单位: Kyushu University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2016
• 资助国家: 日本
• 起止时间: 2016-04-01 至 2019-03-31
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16H04238/
• 关键词: 水素脆化; 高圧水素ガス環境; 金属材料; 疲労き裂進展特性; 破壊靭性; 疲労き裂; BCC; FCC; き裂; 疲労; 転位; 金属疲労; 純鉄; 炭素鋼; 材料力学; 破壊靱性

项目成果

Multi-scale observation of hydrogen-induced, localized plastic deformation in fatigue-crack propagation in a pure iron

• DOI: 10.1016/j.scriptamat.2017.06.037
• 发表时间: 2017-11
• 期刊: Scripta Materialia
• 影响因子: 6
• 作者: Yuhei Ogawa;Domas Birenis;H. Matsunaga;A. Thøgersen;Ø. Prytz;O. Takakuwa;J. Yamabe

S-N properties and Fatigue Fracture Surfaces of Carbon Steel in 0.7 and 115 MPa Hydrogen Gas Environment

0.7和115 MPa氢气环境下碳钢的S-N性能和疲劳断口

• 发表时间: 2016
• 作者: Y. Ogawa;H. Matsunaga;J. Yamabe;M. Yoshikawa;S. Matsuoka
• 通讯作者: S. Matsuoka

Hydrogen-Assisted Fatigue Crack Propagation in a Pure BCC Iron

纯 BCC 铁中的氢辅助疲劳裂纹扩展

• 发表时间: 2018
• 作者: Domas Birenis;Yuhei Ogawa;Hisao Matsunaga;Osamu Takakuwa,Junichiro Yamabe,Annett Thøgersen
• 通讯作者: Osamu Takakuwa,Junichiro Yamabe,Annett Thøgersen

The roles of internal and external hydrogen in the deformation and fracture processes at the fatigue crack tip zone of metastable austenitic stainless steels

• DOI: 10.1016/j.scriptamat.2018.08.003
• 发表时间: 2018-12
• 期刊: Scripta Materialia
• 影响因子: 6
• 作者: Yuhei Ogawa;S. Okazaki;O. Takakuwa;H. Matsunaga

Hydrogen-enhanced fatigue crack growth in steels and its frequency dependence

钢中氢强化疲劳裂纹扩展及其频率依赖性

• DOI: 10.1098/rsta.2016.0412
• 发表时间: 2017
• 期刊: Philosophical Transactions of the Royal Society A
• 作者: Hisao Matsunaga;Osamu Takakuwa;Junichiro Yamabe;Saburo Matsuoka
• 通讯作者: Saburo Matsuoka