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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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铝合金稀土转化膜成膜工艺研究
, PP. 350-356
Keywords: 铝合金,铈盐处理,转化膜,工艺,耐蚀性
Abstract:
应用正交实验设计,开发并研究了LY12铝合金4价铈盐转化膜的成膜工艺及其膜层的耐蚀性能.实验表明:经稀土转化处理的铝合金其点蚀电位升高,自然腐蚀电位有所降低,从而降低了点蚀敏感性;试样极化阻力提高70倍以上,耐蚀性能大大提高,与铬酸盐相当;另外,还结合电化学测试和表面分析,初步探讨了铝合金稀土转化膜的耐蚀机理
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