Investigation into the degradation mechanism of environmental embrittlement using integrated in-situ nano mechanical testing
Investigation into the degradation mechanism of environmental embrittlement using integrated in-situ nano mechanical testing
批准号:
20360054
负责人:
MINOSHIMA Kohji
金额:
$12.73万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010
中文摘要
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英文摘要
In the light of plastic deformation at nano scale, this study investigated the mechanism of hydrogen embrittlement which is caused by hydrogen diffusion into a material. Nano indentation applying to high strength steels and model materials revealed that hydrogen absorption enhanced plastic deformation. This finding was also observed in the interfacial fracture toughness test, indicating that plastic deformation of thin film (which surrounds crack propagation) was promoted by hydrogen absorption, leading the variation in apparent fracture toughness.
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Acoustic Emission from Hydrogen Embrittlement Cracking in Maraging Steel subjected to Contact Loading
接触载荷下马氏体时效钢氢脆裂纹的声发射
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[米津明生, 有野雅規, 近藤俊之, 平方寛之, 箕島弘二]
通讯作者:
箕島弘二
非拡散性水素吸蔵条件下における伸線強加工高強度鋼の疲労き裂進展特性と脱離水素の可視化
非扩散储氢条件下拉丝高强度钢疲劳裂纹扩展特征和解吸氢的可视化
DOI:
--
发表时间:
2010
期刊:
日本機械学会論文集A編 Vol.76, No.769
影响因子:
--
作者:
[中谷正憲, 藤原弘章, 崎原雅之, 箕島弘二]
通讯作者:
箕島弘二
Evaluation of Susceptibility to Hydrogen Embrittlement Cracking in High Strength Steel using Indentation Test
利用压痕试验评价高强度钢氢脆裂纹敏感性
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[米津明生, 有野雅規, 近藤俊之, 平方寛之, 箕島弘二]
通讯作者:
箕島弘二
押込み法による水素ぜい化き裂発生強度特性の評価
压痕法评价氢脆裂纹萌生强度特性
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[米津明生, 有野雅規, 近藤俊之, 平方寛之, 箕島弘二]
通讯作者:
箕島弘二
Fatigue Strength Degradation by Irreversible Hydrogen in Cold Drawn Eutectoid Steels
冷拉共析钢中不可逆氢导致的疲劳强度退化
DOI:
--
发表时间:
2011
期刊:
Key Engineering Materials Vols.462-463
影响因子:
--
作者:
[中谷正憲, 箕島弘二]
通讯作者:
箕島弘二
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