塑性变形在氢致断裂中的作用

中国腐蚀与防护学报

2000, Vol. 20

Issue (4): 248-252

研究报告

本期目录 | 过刊浏览

塑性变形在氢致断裂中的作用

王燕斌;王胜;颜练武

北京科技大学材料物理系

THE EFFECTS OF PLASTIC DEFORMATION ON HYDROGEN INDUCED CRACKING

Yanbin Wang;Sheng Wang;

北京科技大学材料物理系

全文: PDF(136 KB)

摘要: 采用慢应变速率拉伸方法,研究了Fe-Si试样在空气中拉伸\动态充氢拉伸及在空气中预应变一定量后动态充氢拉伸等实验条件下的断裂过程.结果表明,只有在充氢过程中进行塑性变形才能引起氢致开裂,即塑性变形是氢致开裂的必要条件,氢致开裂过程是氢与位错交互作用的过程.

关键词 ：塑性变形, 氢致开裂, 位错

Abstract：The fracture behaviors during hydrogen charging of Fe-3% Si single crystal was studied by low strain rate tension.The experiments included tension in air,tension during gynamically charging and charging after certain pre-strain.The results indicated that hydrogen induced cracking can occur only when the sample deformed during charging .That is, deformation is a necessary conditon for hydrogen induced cracking and hydrogen induced cracking results from the interaction between hydrogen and dislocation.

Key words： deforation hydrogen induced cracking dislocation

收稿日期: 1999-08-09

ZTFLH:

TG172.83

通讯作者: 王胜

Corresponding author: Sheng Wang

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引用本文:

王燕斌; 王胜; 颜练武 . 塑性变形在氢致断裂中的作用[J]. 中国腐蚀与防护学报, 2000, 20(4): 248-252 .
Yanbin Wang, Sheng Wang. THE EFFECTS OF PLASTIC DEFORMATION ON HYDROGEN INDUCED CRACKING. J Chin Soc Corr Pro, 2000, 20(4): 248-252 .

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2000/V20/I4/248

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