许州,荣菊,于晓华,詹肇麟,刘建雄

• 1:昆明理工大学材料科学与工程学院
• 2:中国科学院金属研究所
• 3:昆明理工大学固体废弃物资源化国家工程研究中心

摘要(Abstract)：

以单宁酸、氟钛酸和硅烷偶联剂为原料,在热镀Al-Zn合金钢板表面制备单宁酸钝化膜。选用扫描电子显微镜观察钝化膜表面形貌,利用电化学工作站分析腐蚀电压与腐蚀电流,使用荧光光谱仪、傅里叶变换红外光谱仪和紫外可见光谱仪分析钝化膜结构。结果表明,单宁酸钝化膜的综合性能要优于六价铬酸盐,而且钝化膜平整、均匀和结合性良好。此外钝化膜厚度与腐蚀电位呈正相关,且厚度达620 mg·m~(-2)时耐腐蚀性能最优。

关键词(KeyWords)： 热浸;铝锌镀层;铬酸盐;钝化膜

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51165016)

作者(Author): 许州,荣菊,于晓华,詹肇麟,刘建雄

DOI: 10.13289/j.issn.1009-6264.2016.s1.023

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