班朝磊,何业东,邵鑫

• 1:聊城大学材料科学与工程学院
• 2:北京科技大学北京市腐蚀、磨蚀与表面技术重点实验室

摘要(Abstract)：

将高压铝电解电容器用腐蚀铝箔在硼酸电解质溶液中进行530 V阳极氧化,应用透射电镜、X射线衍射与交流阻抗对比研究了阳极氧化对铝箔实施500℃×2 min热处理前后对表面高压阳极氧化膜的微观结构与电化学特征的影响。结果表明:高压阳极氧化膜具有明显的层状结构特征,外层晶化程度较低、晶粒细小;内层晶化程度较高、晶粒较为粗大;热处理后可以显著提高氧化膜各层的结晶程度、单位厚度阳极氧化膜耐电场强度增加,减弱了对铝箔表面隧道微孔的堵塞程度,氧化膜表观比电容相应增大,热处理及其随后的修补化成提高了阳极氧化膜的致密程度,氧化膜表观比电阻也相应增加。

关键词(KeyWords)： 热处理;阳极氧化膜;铝箔;聚焦离子束

Abstract:

Keywords:

基金项目(Foundation): 北京地区高等学校新材料学科群建设项目;; 聊城大学博士科研启动资金(31805)

作者(Author): 班朝磊,何业东,邵鑫

DOI: 10.13289/j.issn.1009-6264.2011.10.022

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