陈永俊,吕小雨,马彪,张成,董强胜,巴志新

• 1:南京工程学院材料工程学院
• 2:江苏省先进结构材料与应用技术重点实验室

摘要(Abstract)：

采用超声辅助在AZ91D镁合金镁铝水滑石膜表面制备铈盐转化膜以提高其膜层的耐蚀性,利用扫描电镜(SEM)、能谱仪(EDS)和X射线衍射(XRD)分析膜层形貌及成分,极化曲线和交流阻抗测试评价膜层的耐蚀性,研究了超声波功率对镁铝水滑石膜表面沉积铈盐转化膜的影响规律。结果表明,当超声功率为150 W时,镁铝水滑石膜微裂纹处沉积了铈盐转化膜,表现出良好的铈盐封闭效果,提高了膜层的耐蚀性。

关键词(KeyWords)： AZ91D镁合金;镁铝水滑石膜;铈盐转化膜;超声波;耐蚀性

Abstract:

Keywords:

基金项目(Foundation): 江苏省大学生实践创新训练计划资助项目(201611276072H);; 南京工程学院大学生科技创新基金(TB201702016);; 江苏省普通高校研究生科研创新计划项目(SJZZ16_0292)

作者(Author): 陈永俊,吕小雨,马彪,张成,董强胜,巴志新

DOI: 10.13289/j.issn.1009-6264.2017-0018

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