| 研究非均匀体在腐蚀条件下的断裂行为时应注意的几个问题 |
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| 引用本文： | 郭海丁,田锡唐,冯玉梅. 研究非均匀体在腐蚀条件下的断裂行为时应注意的几个问题[J]. 材料科学与工艺, 1993, 0(3) |
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| 作者姓名： | 郭海丁 田锡唐 冯玉梅 |
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| 作者单位： | 长沙铁道学院机电系，哈尔滨工业大学，中科院腐蚀与防护研究所 |
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| 摘 要： | 对焊接不均匀体在腐蚀条件下的电偶腐蚀行为进行了讨论。利用sMRE技术测定了带裂纹的非均匀体表面的电位分布,讨论了非均匀体表面腐蚀电位的不均匀分布现象,分析了非均匀体电偶腐蚀和缝隙腐蚀之间的相互作用,并指出了非均匀体的腐蚀行为对其断裂行为可能带来的影响。
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| 关 键 词： | 非均质裂纹体 电偶腐蚀 缝隙腐蚀 电位分布 断裂行为 |
Some Factors Affecting the Fracture Behaviour of Heterogeneous Cracked Body in Corrosive Envirohment |
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| Guo Haiding. Some Factors Affecting the Fracture Behaviour of Heterogeneous Cracked Body in Corrosive Envirohment[J]. Materials Science and Technology, 1993, 0(3) |
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| Authors: | Guo Haiding |
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| Affiliation: | Guo Haiding (Changsha Railway Institute) Tian Xitang (Harbin Institute of Technology) Fong Yumei (Institute of Corrosion and Protection Academic Sinica) |
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| Abstract: | In this paper the couple corrosion of heterogeneous welded bodies in corrosive cnvironment is discussed. By using SMRE the distribution of electric potential on the surface of heterogeneous cracked bodies is measured and discussed. Correlation between couple corrosion and crevice corrosion is analyzed and the possible effect of corrosion of heterogeneous bodies on their fracture behaviour is pointed out. |
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| Keywords: | Heterogeneous cracked body couple corrosion crevice corrosion electric potential distribution fracture behaviour |
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