310不锈钢的氢诱导空洞形核

Acta Metallurgica et Materialia Pub Date : 1995-10-01 DOI:10.1016/0956-7151(95)90156-6

Xing-Gang Jiang , Wu-Yang Chu, Ji-Mei Xiao

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引用次数: 11

摘要

研究了310不锈钢的氢致空洞形核。实验结果表明，氢促进了空穴成核。提出了一种新的氢诱导空洞成核模型。该模型的基本思想是:氢不仅通过促进微裂纹形核，而且通过促进微裂纹向微孔洞的转变来诱导孔洞成核;氢还通过在微孔洞中形成氢压力和降低孔洞表面能来增加微孔洞的稳定性。

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Hydrogen induced void nucleation of 310 stainless steel

Hydrogen induced void nucleation of 310 stainless steel was investigated. Experimental results indicated that hydrogen promoted void nucleation. A new model of hydrogen induced void nucleation was proposed. The basic idea of this model is that hydrogen induces void nucleation not only by promoting microcrack nucleation but also by promoting the transition of microcrack to microvoid; hydrogen also increases the stability of a microvoid by forming hydrogen pressure in the microvoid and by decreasing the void surface energy.

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Acta Metallurgica et Materialia

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