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中文摘要：
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。
英文摘要：
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.
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