王平,郭小阳,梅雨堃,胡议文

• 1:西南石油大学油气藏地质及开发工程国家重点实验室
• 2:材料科学与工程学院

摘要(Abstract)：

在不同电流密度下制备了ZL108 Na2WO4改性微弧氧化膜,研究了电流密度对Na2WO4改性微弧氧化膜特性的影响。利用扫描电镜(SEM)观察氧化膜表面形貌,能谱仪(EDS)、X射线衍射仪(XRD)以及X射线光电子能谱(XPS)分别测试了氧化膜截面元素分布、相组成以及W的化合价,极化曲线测试了耐蚀性。结果表明,随电流密度增大,微弧氧化膜由致密变为多孔,微孔数量增加、尺寸变大,膜层增厚。膜层中W、O含量增加,Al含量下降。微弧氧化膜由γ-Al2O3、Al和Si 3个相组成,W元素在膜中主要以WO3形式存在。微弧氧化膜的耐蚀性随电流密度增加而提高。

关键词(KeyWords)： 微弧氧化;电流密度;钨酸钠;ZL108合金

Abstract:

Keywords:

基金项目(Foundation): 四川省教育厅重点科研项目(12ZA293);; 西南石油大学校基金项目(2012XJZ015);; 油气藏地质及开发工程国家重点实验室(西南石油大学)项目(PLN1307)

作者(Author): 王平,郭小阳,梅雨堃,胡议文

DOI: 10.13289/j.issn.1009-6264.2014.03.034

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