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文章编号： 16726987（2018）06005206； DOI： 10.16351/j.16726987.2018.06.008
付肖肖， 孙瑞雪*
(青岛科技大学 材料科学与工程学院，山东 青岛 266042)
摘要： 选用绿色环保的硅烷偶联剂（APTEs）和氧化石墨烯(GO)在AZ31镁合金表面制备了一种防腐蚀性的有机无机（APTEs/GO）涂层。首先研究了硅水醇比对氨丙基三乙氧基硅烷(APTEs)水解的影响,确定了最优水解工艺参数。然后采用旋涂的方法制备出APTEs/GO双涂层，运用扫描电子显微镜（SEM）及能谱仪(EDS）等测试方法研究了涂层的表面形貌。结果表明：APTEs/GO膜均匀致密无缺陷，膜层厚度为1 μm，与基体结合良好。电化学测试结果表明：APTEs/GO膜有效提高了AZ31镁合金的耐腐蚀性能，且提高幅度明显高于单一硅烷膜。
关键词： 镁合金； 氧化石墨烯； 硅烷； 涂层； 耐蚀性能
中图分类号： TG 146.2+2文献标志码： A
引用格式： 付肖肖， 孙瑞雪. AZ31镁合金表面硅烷/氧化石墨烯复合涂层的制备及其耐蚀性\[J\]. 青岛科技大学学报（自然科学版）， 2018， 39（6）： 5257.
FU Xiaoxiao, SUN Ruixue. Preparation and corrosion resistance of silane/graphene oxide composite coating on AZ31 magnesium alloy\[J\]. Journal of Qingdao University of Science and Technology（Natural Science Edition), 2018, 39(6)： 5257.
Preparation and Corrosion Resistance of Silane/Graphene Oxide
Composite Coating on AZ31 Magnesium Alloy
FU Xiaoxiao, SUN Ruixue
(College of Materials Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)
Abstract: An organicinorganic (APTEs/GO) coating was prepared on the surface of AZ31 magnesium alloy by using green silane coupling agent (APTEs) and graphene oxide (GO). The influence of the ratio of silica water alcohol on the hydrolysis of APTEs was studied, and the optimum hydrolysis parameters were determined. The APTEs/GO double coating was prepared by spin coating, and the surface morphology of coatings were investigated by scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).The results show that the APTEs/GO coating is homogeneous, compact and without defects. The composite coating with the thickness of about 1 μm is bond well with the substrate.Electrochemical test results show that APTEs/GO film can effectively improve the corrosion resistance of AZ31 magnesium alloy, and the range of increase is higher than that of single silane film.
Key words: magnesium alloy; graphene oxide; silane; coating; corrosion resistance
收稿日期： 20170922
基金项目： 山东省自然科学基金项目（ZR2014EMM019）.
作者简介： 付肖肖（1993—），女，硕士研究生.*通信联系人.
