Al2O3掺杂与超声辅助对纯铝表面微弧氧化层结构与性能的影响
Effect of Al2O3 Doping and Ultrasonic Assisting on Structure and Properties of Micro-arc Oxidation Coating on Surface of Pure Aluminum
摘 要
在复合电解液体系中加入Al2O3粉，并引入超声辅助对纯铝基体进行微弧氧化处理，研究了Al2O3掺杂与超声辅助对微弧氧化层微观形貌、物相组成、耐腐蚀性能与摩擦磨损性能的影响。结果表明：超声辅助促使更多的Al2O3微粒参与微弧氧化过程，形成的微弧氧化层更平整致密，孔洞尺寸较小且分布均匀，孔隙率较低；与未掺杂Al2O3或未引入超声辅助形成的微弧氧化层相比，掺杂Al2O3和引入超声辅助后微弧氧化层的自腐蚀电流密度明显降低，极化电阻大幅提高，摩擦因数和比磨损率均降低，耐腐蚀性能和摩擦磨损性能都得到显著提高。
超声辅助
微弧氧化
Al2O3粉
耐腐蚀性能
摩擦磨损性能
pure aluminum
ultrasonic assisting
micro-arc oxidation
Al2O3 powder
corrosion resistance
friction and wear performance
Abstract
Pure aluminum substrate was treated by micro-arc oxidation with the assistance of ultrasonic in a composite electrolyte added with Al2O3 powder. The effects of Al2O3 doping and ultrasonic assisting on the microstructure, phase composition, corrosion resistance and friction and wear performance of micro-arc oxidation coating were investigated. The results show that the ultrasonic assisting promoted more Al2O3 particles to participate in the micro-arc oxidation process. The micro-arc oxidation coating was more smooth and compact with uniformly distributed small pores, and had lower porosity. Comparing with micro-arc oxidation coatings without Al2O3 doping or ultrasonic assisting, the free corrosion current density of the micro-arc oxidation coating with Al2O3 doping and ultrasonic assisting was obviously reduced; the polarization resistance increased significantly; the friction coefficient and specific wear rate both decreased. Therefore the corrosion resistance and the friction and wear properties were greatly improved.
中图分类号 TG174.453 DOI 10.11973/jxgccl201811011
所属栏目 材料性能及应用
基金项目 欧盟第七框架玛丽居里行动计划项目（PIIF-GA-2012-327750）；山西省回国留学人员科研资助项目（2016-025）
收稿日期 2017/11/14
修改稿日期 2018/10/12
网络出版日期
作者单位点击查看
备注王晓云(1993-),女,山西运城人,硕士研究生
引用该论文: WANG Xiaoyun,MA Yiling,TIAN Linhai,YAO Xiaohong. Effect of Al2O3 Doping and Ultrasonic Assisting on Structure and Properties of Micro-arc Oxidation Coating on Surface of Pure Aluminum[J]. Materials for mechancial engineering, 2018, 42(11): 52～57
王晓云,马一林,田林海,姚晓红. Al2O3掺杂与超声辅助对纯铝表面微弧氧化层结构与性能的影响[J]. 机械工程材料, 2018, 42(11): 52～57
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参考文献
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【2】YAGI S, KUWABARA K, FUKUTA Y, et al. Formation of self-repairing anodized film on ACM522 magnesium alloy by plasma electrolytic oxidation[J]. Corrosion Science, 2013, 73(13):188-195.
【3】LIANG J, HU L, HAO J. Characterization of micro-arc oxidation coatings formed on AM60B magnesium alloy in silicate and phosphate electrolytes[J]. Applied Surface Science, 2007, 253(10):4490-4496.
【4】DURDU S, USTA M. Characterization and mechanical properties of coatings on magnesium by micro arc oxidation[J]. Applied Surface Science, 2012, 261(1):774-782.
【5】TADIC N, STOJADINOVIC S, RADIC N, et al. Characterization and photocatalytic properties of tungsten doped TiO2 coatings on aluminum obtained by plasma electrolytic oxidation[J]. Surface and Coatings Technology, 2016, 305:192-199.
【6】姚晓红, 谢鹏华, 孙永花, 等. 微弧氧化电解液中加入Al2O3胶体对AZ91D复合陶瓷层性能的影响[J]. 稀有金属材料与工程, 2016, 45(8):2092-2097.
【7】霍慧丹. 镁合金微弧氧化复合陶瓷层的制备及其性能研究[D].太原:太原理工大学,2015.
【8】LEE K M, SHIN K R, NAMGUNG S, et al. Electrochemical response of ZrO2-incorporated oxide layer on AZ91 Mg alloy processed by plasma electrolytic oxidation[J]. Surface and Coatings Technology, 2011, 205(13):3779-3784.
【9】SONG Y L, SUN X Y, LIU Y H. Effect of TiO2 nanoparticles on the microstructure and corrosion behavior of MAO coatings on magnesium alloy[J]. Materials and Corrosion, 2012, 63(9):813-818.
【10】VATAN H N, EBRAHIMI-KAHRIZSANGI R, KASIRI-ASGARANI M. Structural, tribological and electrochemical behavior of SiC nanocomposite oxide coatings fabricated by plasma electrolytic oxidation (PEO) on AZ31 magnesium alloy[J].Journal of Alloys and Compounds,2016,683:241-255.
【11】刘亚萍, 段良辉, 马淑仙,等. Al2O3粉末对镁合金微弧氧化陶瓷膜的显微结构及其耐蚀性的影响[J]. 中国腐蚀与防护学报, 2009, 27(4):202-205.
【12】LU X, MOHEDANO M, BLAWERT C, et al. Plasma electrolytic oxidation coatings with particle additions-A review[J]. Surface and Coatings Technology, 2016, 307:1165-1182.
【13】黄丹, 张晓燕, 吴德凤. 纳米α-Al2O3 添加剂对铝合金微弧氧化膜层性能的影响[J]. 表面技术, 2014, 43(4):43-47.
【14】WANG P, WU T, XIAO Y T, et al. Effect of Al2O3 micro-powder additives on the properties of micro-arc oxidation coatings formed on 6061 aluminum alloy[J].Journal of Materials Engineering and Performance,2016,25(9):3972-3976.
【15】LI X, LUAN B L. Discovery of Al2O3 particles incorporation mechanism in plasma electrolytic oxidation of AM60B magnesium alloy[J]. Materials Letters, 2012, 86:88-91.
【16】田林海, 姚晓红, 张扬, 等.一种镁合金板的微弧氧化镀膜方法:201210175740X[P].2012-10-03.
【17】李慕勤,刘江,蔡丁森,等.纯镁超声微弧氧化-HF-Na2SiO3复合处理对生物涂层的影响[J].中国表面工程, 2014, 27(3):50-56.
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