Scanning Kelvin probe force microscopy study on hydrogen distribution in austenitic stainless steel after martensitic transformation
Scanning Kelvin probe force microscopy study on hydrogen distribution in austenitic stainless steel after martensitic transformation
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扫描开尔文探针力显微镜研究奥氏体不锈钢马氏体相变后的氢分布
DOI:
10.1016/j.matlet.2019.02.089
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发表时间:
2019-06
影响因子:
3
通讯作者:
Zheng Jinyang
中科院分区:
文献类型:
--
作者:
Hua Zhengli;Zhu Shengyi;Shang Juan;Cheng Guangxu;Yao Yanchen;Zheng Jinyang
Martensite (α’) usually plays an important role in the hydrogen embrittlement (HE) of metastable austenitic stainless steels (γ-SS). However, there is still controversy about the location of hydrogen accumulation after martensitic transformation in γ-SS. Scanning Kelvin probe force microscopy (SKPFM) combined with finite element analysis (FEA) have been used to study the hydrogen distribution and evolution in hydrogen-precharged γ-SS after martensitic transformation. It is found that hydrogen accumulates in austenite (γ) adjacent to α′ after the formation of α′. The peak of hydrogen concentration in γ induced by α′ increases first and then decreases as hydrogen diffuses further into γ.
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影响因子:
9.4
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