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6061铝合金表面电弧喷涂纯铝涂层的研究

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Indexed by:期刊论文

Date of Publication:2008-09-20

Journal:轻合金加工技术

Included Journals:PKU

Volume:36

Issue:9

Page Number:31-35

ISSN No.:1007-7235

Key Words:铝合金;铝涂层;电弧喷涂;耐蚀性能

Abstract:采用电弧喷涂技术在6061铝合金基材表面制备纯铝涂层.利用金相显微镜、扫描电镜、X射线衍射仪对其显微组织结构、涂层形貌、腐蚀产物、孔隙率进行了分析.采用电化学试验、浸泡试验、中性盐雾试验检测了涂层在w(NaCl)=5%的溶液中的耐腐蚀性能.研究结果表明,在铝合金基材表面能够获得组织均匀致密,低孔隙率的纯铝涂层,涂层与基体为机械嵌合,涂层封孔处理后,试样的耐蚀性能有很大提高,涂层对基体无阴极保护作用.

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