石墨烯对镁合金微弧氧化层结构和耐蚀性影响

被引:9
|
作者
付肖肖
孙瑞雪
机构
[1] 青岛科技大学材料科学与工程学院
关键词
镁合金; 微弧氧化; 氧化石墨烯; 耐蚀性;
D O I
10.16351/j.1672-6987.2019.01.008
中图分类号
TG174.4 [金属表面防护技术];
学科分类号
摘要
利用微弧氧化工艺,并通过在硅酸盐系电解液中添加氧化石墨烯,在AZ31镁合金表面制备一层含碳的微弧氧化陶瓷层。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、厚度等。结果表明:加入氧化石墨烯后陶瓷层致密平整,膜层缺陷得到有效改善,含碳陶瓷层厚度为4~5μm,与基体结合良好。电化学测试结果表明,加入氧化石墨烯后能有效提高AZ31镁合金的耐腐蚀性能。
引用
收藏
页码:48 / 52
页数:5
相关论文
共 14 条
  • [1] Protective properties of inhibitor-containing composite coatings on a Mg alloy[J] . A.S. Gnedenkov,S.L. Sinebryukhov,D.V. Mashtalyar,S.V. Gnedenkov. &nbspCorrosion Science . 2015
  • [2] Graphene–polypyrrole thin hybrid corrosion resistant coatings for copper[J] . Maido Merisalu,Tauno Kahro,Jekaterina Kozlova,Ahti Niilisk,Aleksandr Nikolajev,Margus Marandi,Aare Floren,Harry Alles,V?ino Sammelselg. &nbspSynthetic Metals . 2015
  • [3] Corrosion behavior of closed-cell AZ31 Mg alloy foam in NaCl aqueous solutions[J] . Xingchuan Xia,Xiaowei Chen,Weimin Zhao,Haitao Xue,Bo Liao,Boyoung Hur,Zhifeng Wang. &nbspCorrosion Science . 2013
  • [4] Incorporation of zirconia nanoparticles into coatings formed on aluminium by AC plasma electrolytic oxidation
    Matykina, E.
    Arrabal, R.
    Skeldon, P.
    Thompson, G. E.
    [J]. JOURNAL OF APPLIED ELECTROCHEMISTRY, 2008, 38 (10) : 1375 - 1383
  • [5] Corrosion study of new surface treatment/coating for AZ31B magnesium alloy. S. Song,W. D. Shen,M. H. Liu. Surface Engineering . 2012
  • [6] Thickness Controlled Water Vapors Assisted Growth of Multilayer Graphene by Ambient Pressure Chemical Vapor Deposition. Asif M,Tan Y,Pan L,et al. The Journal of Physical Chemistry C . 2015
  • [7] Biodegradable magnesium alloy coated by fluoridated hydroxyapatite using MAO/EPD technique. Razavi M,Fathi M,Savabi O,et al. Surface Engineering . 2014
  • [8] Preparation and characterization of HA sol-gel coating on MAO coated AZ31alloy. NIU B,SHI P,WEI D,LI Q,et al. Surface&Coatings . 2016
  • [9] Improved mechanical properties of magnesium-graphene composites with copper-graphene hybrids. RASHAD M,PAN F S,ASIF M,et al. Materials science&technology . 2014
  • [10] Influence of graphene particles on the micro-arc oxidation behaviors of 6063 aluminum alloy and the coating properties. CHEN Q,JIANG Z,TANG S,et al. Applied Surface Science . 2017