关于氢诱发破裂和氢应力破裂

中国腐蚀与防护学报

1982, Vol. 2

Issue (2): 42-47

研究报告

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关于氢诱发破裂和氢应力破裂

彭祖铭

冶金部钢铁研究总院

ON HYDROGEN INDUCED CRACKING(HIC) AND HYDROGEN STRESS CRACKING(HSC)

Peng Zuming (The Central Institute of Iron and Steel Research; The Ministry of Metallurgical Industry)

全文: PDF(2035 KB)

摘要: 本文初步探讨了氢诱发裂纹作为一种环境诱发缺陷在材料破坏过程中的作用。结果表明,作为一级近似,氢诱发裂纹可视为一组平行于轧制面的面缺陷,它对材料的常规强度指标影响不大,但使材料的脆断倾向增大。HIC和HSC是两类基本互不相关的破裂。对环境断裂具有决定意义的是材料的HSC敏感性。对兼具HSC和HIC敏感性的材料,环境断裂过程可用附图的模式表示。该模式图说明了中低强度结构钢环境断裂时所观察到的一系列试验事实。对由抗HSC性能良好的材料制作的设备或构件,一般地说,夹带诱发裂纹运行不失安全性。

Abstract：A preliminary approach to the effect of H-induced crack, as an environment-induced defect, on the processes of material failure has been made. Experimental results show that, as a primary approximate, the H-induced crack may be considered as a set of face defects paralleling to the rolled plane, and it has only a little effect on the routine strength indices, but enhances the susceptibility to brittle fracture of materials. HIC and HSC are two kinds of cracking basically independent of each other. The decisive factor in the environmental fracture is the susceptibility to HSC of materials. The environmental fracture process for materials having both HSC and HIC susceptibility may be expressed by the schematic model diagram as suggested in this paper. This diagram can explain a series of experimental phenomena observed during the environmental fracture of structural steels with middle and low strength. In general, the equipment or structures made of HSC resistant materials may operate safely though they may have induced cracks.

收稿日期: 1982-04-25

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引用本文:

彭祖铭. 关于氢诱发破裂和氢应力破裂[J]. 中国腐蚀与防护学报, 1982, 2(2): 42-47.
. ON HYDROGEN INDUCED CRACKING(HIC) AND HYDROGEN STRESS CRACKING(HSC). J Chin Soc Corr Pro, 1982, 2(2): 42-47.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1982/V2/I2/42

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[4] 小若正伦等,住友金属,27,12(1975)
[5] P. W. Bridgman, Studies in Large Plastic Flow and Fracture, (1964)
[6] #12

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