ZL101A铝合金微弧氧化纳米陶瓷涂层耐腐蚀性能的研究Corrosion resistance of micro-arc oxidation nano ceramic coating of ZL101A aluminum alloy
张宇;赵燕伟;宋仁国;
摘要(Abstract)：
在硅酸盐电解液中加入纳米TiO_2添加剂,利用扫描电镜(SEM)、X射线衍射仪(XRD)、电化学工作站等进行动电位极化曲线和电化学阻抗测试,研究经NaCl溶液长时间浸泡后,ZL101A铸造铝合金微弧氧化陶瓷涂层的耐蚀性能。结果表明,在5%的NaCl溶液中浸泡384 h后,涂层才出现比较明显的腐蚀,可见此工艺很大程度改善了涂层的耐腐蚀性能。
关键词(KeyWords)： 微弧氧化;铝合金;腐蚀性能
基金项目(Foundation): 国家自然科学基金(51371039);; 浙江省科技厅公益性技术应用研究计划项目(2017C31039)
作者(Author): 张宇;赵燕伟;宋仁国;
Email:
DOI: 10.14024/j.cnki.1004-244x.20180918.001
参考文献(References)：
- [1]邓志威,来永春,薛文彬,等.微弧氧化材料表面陶瓷化机理的探讨[J].原子核物理评论,1997,14(3):193-195.
- [2]XIANG N,SONG R G,ZHAO J,et al. Microstructure and me-chanical properties of ceramic coatings formed on 6063 alumin-ium alloy by micro-arc oxidation[J]. T Nonferr Metal Soc,2015,25:3323-3328.
- [3]FADAEE H,JAVIDI M. Investigation on the corrosion behav-ior and microstructure of 2024-T3 Al alloy treated via plasmaelectrolytic oxidation[J]. J Alloys Comp,2014,604:36-42.
- [4]SHCHEDRINA I,RAKOCH A G,MARTIN J. Non-destructivemethods to control the properties of MAO coatings on the surface of 2024 aluminium alloy[J]. Surface and Coatings Tech-nology,2014,238:27-44.
- [5]SUNG D,KIM D,PARK J H,et al. Effect of composite PEOfilm containing titanium oxides on the corrosion resistance ofAl 6061 alloy[J]. Surface and Coatings Technology,2016,11:258-262.
- [6]SALEHI D D,EHTESHAMZADEH M,MIRHOSSEINI S M M.Effect of NaOH on the structure and corrosion performance ofalumina and silica PEO coatings on aluminum[J]. Mater EngPerform,2012,21:2195.
- [7]HUSSEIN R O,NIE X,NORTHWOOD D O. Influence of pro-cess parameters on electrolytic plasma discharging behaviorand aluminum oxide coating microstructure[J]. Surf Coat Tech-nol,2010,205:1659-1667.
- [8]张宇,范伟,杜海清,等.纳米TiO2添加剂对ZL101A铝合金微弧氧化膜耐蚀性能的影响[J].材料保护,2017,50(4):76-79.