A discrete dislocation analysis of hydrogen-assisted mode-I fracture

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• 作者：N. Irani^a ; J.J.C. Remmers^a ; V.S. Deshpande ; ^a ; ^b ; ^{vsd@eng.cam.ac.uk}
• 关键词：Hydrogen embrittlement ; Stressed-assisted diffusion ; Discrete dislocation plasticity
• 刊名：Mechanics of Materials
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：105
• 期：Complete
• 页码：67-79
• 全文大小：1725 K
• 卷排序：105

文摘

Discrete dislocation plasticity analysis of crack growth in the presence of hydrogen. Dislocation fields are shown to not significantly affect crack tip hydrogen concentrations. Embrittlement is mainly due to reduction in surface energy due to hydrogen.