胡建文,马静,张贤

• 1:河北省近净成形重点实验室
• 2:河北科技大学材料学院

摘要(Abstract)：

研究了H3PO4+Na2Mo O4、H3PO4+KMn O4和H3PO4+Na3PO4三种酸洗工艺以及NH4HF2活化工艺等前处理工艺对AZ91HP镁合金化学镀的影响。通过金相实验及极化实验,结果表明,AZ91HP镁合金经H3PO4+Na3PO4酸洗后再经NH4HF2工艺活化处理后施镀,可获得表面光亮、结合力强和耐蚀性能较好的镍-磷镀层。镁合金酸洗处理后表面的平整程度会影响其化学镀层平整度和光亮度,而活化处理后表面的粗糙程度则影响镀层和基体的结合力。

关键词(KeyWords)： AZ91HP镁合金;化学镀;酸洗;活化

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 胡建文,马静,张贤

DOI: 10.13289/j.issn.1009-6264.2015.s1.047

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