刘东杰,蒋百灵,王亚明,刘政,葛延峰

• 1:西安理工大学材料科学与工程学院
• 2:材料腐蚀与防护四川省重点实验室
• 3:哈尔滨工业大学材料科学与工程学院

摘要(Abstract)：

采用电解液修饰法,利用微弧氧化技术直接在铝基体上制备CoO/Al2O3微弧氧化复合膜层,采用SEM和XRD观察并分析复合膜层表面、截面形貌和相组成,探讨了复合膜层形成机制及对甲基橙溶液催化降解作用。结果表明,微弧氧化复合膜层主要由Al2O3相和CoO相组成,且CoO沉积在Al2O3陶瓷层表面或者孔洞内;碱性电解液中添加Co(CH3COO)2生成Co(OH)2胶体,从而在热化学作用下分解为CoO,是形成CoO/Al2O3复合膜层的主要原因;室温常压下复合膜层催化10 h可使甲基橙溶液降解率达到96.4%。

关键词(KeyWords)： 铝基体;微弧氧化;CoO/Al2O3;催化湿式氧化

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51071121);; 材料腐蚀与防护四川省重点实验室开放基金(2013CL09)

作者(Author): 刘东杰,蒋百灵,王亚明,刘政,葛延峰

DOI: 10.13289/j.issn.1009-6264.2014.02.026

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