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中国腐蚀与防护学报  2005, Vol. 25 Issue (3): 187-192     
  综述 本期目录 | 过刊浏览 |
铝合金的晶间腐蚀与剥蚀
苏景新;张昭;曹发和;张鉴清;曹楚南
浙江大学化学系
REVIEW ON THE INTERGRANULAR CORROSION AND EXFOLIATION CORROSION OF ALUMINUM ALLOYS
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浙江大学化学系
全文: PDF(235 KB)  
摘要: 综述了近几十年来国内外在2xxx系和7xxx系铝合金及Al-Li合金的晶间腐蚀和剥蚀等研究方面的主要进展.总结了合金中晶界沉淀相的成分、分布及其与晶格的击穿电位差异等对晶间腐蚀的影响规律,探讨了热处理时效状态对合金耐蚀性和局部腐蚀动力学的影响机制.同时探讨了合金的晶格形态、腐蚀产物楔入作用等因素对合金剥蚀过程的影响规律,并对合金的晶间腐蚀和剥蚀研究中所采用的一些快速可靠的无损监检测方法,如电化学阻抗谱(EIS),进行了评价.
关键词 铝合金晶间腐蚀剥蚀EIS    
Abstract:Studies on intergranular corrosion and exfoliation corrosion of 2xxx,7xxx series aluminum alloys and Al-Li alloys are reviewed.For intergranular corrosion,composition and distribution of grain boundary precipitates,and the difference of their breakdown potentials with that of the matrix are most concerned,effect of heat treatment on corrosion resistance of alloys and local corrosion kinetics are studied.For exfoliation corrosion,the effect of grain shape and wedging on the corrosion process are concerned.And fast,reliable and nondestructive testing methods such as EIS are in progress.
Key wordsaluminum alloy    intergranular corrosion    exfoliation cor rosion    EIS
收稿日期: 2003-10-18     
ZTFLH:  TG174  
通讯作者: 苏景新   

引用本文:

苏景新; 张昭; 曹发和; 张鉴清; 曹楚南 . 铝合金的晶间腐蚀与剥蚀[J]. 中国腐蚀与防护学报, 2005, 25(3): 187-192 .

链接本文:

https://www.jcscp.org/CN/Y2005/V25/I3/187

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