晶粒度对一些常用金属耐腐蚀性能的影响  

Influence of Grain Size on Corrosion Resistant of Commonly Used Metals

作　　者：罗检[1] 张勇[2] 钟庆东[1] 张磊[1] 朱振宇[1] 

机构地区：[1]上海大学上海市现代冶金与材料制备重点实验室,上海200072 [2]四川省达州电业局,达州635000

出　　处：《腐蚀与防护》2012年第4期349-352,356,共5页Corrosion & Protection

基　　金：教育部新世纪优秀人才支持计划(No.NCET-07-0536;教育部创新团队计划(No.IRT0739))

摘　　要：关于晶粒度对材料的力学性能影响的研究很多,但是关于晶粒度对材料的耐腐蚀性能的研究并不常见。本文综述了几种常见钢材、有色金属及合金的晶粒大小与其耐腐蚀性能之间的关系:某些钢和铝一般随着基体材料晶粒度的减小,其耐腐蚀性能增强;铜、镁一般随着基体材料晶粒度的减小,其耐腐蚀性能减弱。分析并总结了相关的腐蚀机理。建议在获得大量腐蚀数据的前提下,开展相关人工神经网络预测模型的研究,这将有助于全面、准确的评价晶粒度对材料腐蚀性能的影响。Researches about grain size effect on the mechanical properties of materials are plenty. However, the effect of grain size on corrosion resistance of metals is not extensively and intensively studied. The relationship between corrosion resistance and grain size of several common steels, non-ferrous metals and alloys are demonstrated in this paper. The corrosion resistance of steels and aluminum are proportionally related to the grain size the corrosion resistance of copper and magnesium are inversely related to the grain size. It was suggested that some artificial neural networks may be used predict the effect of grain size on corrosion behavior of materials.

关 键 词：晶粒度 金属 耐腐蚀性能 

分 类 号：TG172[金属学及工艺—金属表面处理]