霍珍珍,郭锋,刘亮,陈卫东

• 1:内蒙古工业大学材料科学与工程学院

摘要(Abstract)：

利用微弧氧化技术在6063铝合金表面制备了黑色陶瓷膜层,根据对微弧氧化工艺因素的分析以及对膜层化学组成和相结构的检测,探讨了黑色膜层的显色机理。结果表明,在以适量的硅酸钠(Na2Si O3)和多聚磷酸钠(Na5P3O10)为主盐、钒酸铵(NH4VO3)为着色剂的电解液体系中,且仅施加正向电压,在铝合金表面可以形成以γ-Al2O3为主要组成相的陶瓷膜。亚稳定的γ-Al2O3对在正向电场作用下迁移到试样附近的VO-3离子的吸附,VO-3离子在等离子弧高温下反应形成黑色的V2O3,是黑色陶瓷膜形成的主要机制。

关键词(KeyWords)： 微弧氧化;6063铝合金;黑色膜层;着色机理

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 霍珍珍,郭锋,刘亮,陈卫东

DOI: 10.13289/j.issn.1009-6264.2014.s2.034

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