材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
高張力鋼の水素ぜい化型応力腐食割れ感受性に対する解析的検討
向井 喜彦村田 雅人
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1987 年 36 巻 411 号 p. 1350-1354

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Electrochemical study is necessary to know the hydrogen distribution near a crack tip in hydrogen embrittlement type stress corrosion cracking (HESCC). In this study, hydrogen absorption at a slit tip in high tensile strength steels was analized by an electric field equation and the hydrogen distribution was computed by the two dimensional finite differential method based on this boundary condition.
As the result, the criterion for HESCC initiation was found to be described by the hydrogen activity and hydrostatic stress parameter. It was made clear that HESCC initiation was able to be predicted by using the criterion.

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