| 应力腐蚀机理研究 |
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| 引用本文： | 褚武扬 乔利杰. 应力腐蚀机理研究[J]. 北京科技大学学报, 1992, 14(2): 212-219 |
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| 作者姓名： | 褚武扬 乔利杰 |
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| 作者单位： | 北京科技大学材料物理系(褚武扬，乔利杰)，北京科技大学材料物理系(肖纪美) |
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| 摘 要： |
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| 关 键 词： | 应力腐蚀 氢致开裂 阳极溶解 |
Research about Mechanism of Stress Corrosion Cracking+ |
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| Chu Wuyang Qiao Liji Xiao Jimei. Research about Mechanism of Stress Corrosion Cracking+[J]. Journal of University of Science and Technology Beijing, 1992, 14(2): 212-219 |
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| Authors: | Chu Wuyang Qiao Liji Xiao Jimei |
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| Affiliation: | Dept. of Materials Physics |
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| Abstract: | That stress corrosion cracking (SCC) is belong to hydrogen induced cracking (HIC) or the anodic preferential dissolution can be solved based on a synthetical study using the following methods, i.e, electrochemistry, the activation energy, the effect of loading modes, comparing the threshold value, initiation site and fracture of SCC to these of HIC, cracking initiation under compressive stress and the correlation between the local plastic deformation and crack nucle-ation. During SCC of austenitic stainless steel in MgCl2 solution, hydrogen can enter into the specimen and enrich and then facilitate the anodic dissolution but does not control the SCC, therefore the mechanism of the SCC is belong to the anodic dissolution. The effects of hydrogen and stress on anodic dissolution are synergistic rather than simply additive. The normal stress instead of shear stress pays a controlled role in SCC of anodic dissolution. |
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| Keywords: | stress corrosion hydrogen induced cracking anode dissolution |
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