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杨斌,李敬洋,史开元,王志伟,文磊.SiC纳米颗粒对TA2微弧氧化涂层组织结构及耐蚀性能的影响机制[J].稀有金属材料与工程(英文),2018,47(12):3754~3760.[Yang Bin,Li Jingyang,Shi Kaiyuan,Wang Zhiwei and Wen Lei.The Influence of SiC Nanoparticles on the Microstructure and Corrosion Behavior of Microarc Oxidation Coatings Formed on TA2 Alloy[J].Rare Metal Materials and Engineering,2018,47(12):3754~3760.]
The Influence of SiC Nanoparticles on the Microstructure and Corrosion Behavior of Microarc Oxidation Coatings Formed on TA2 Alloy
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Received:February 06, 2018  Revised:February 26, 2018
DOI:
Key words: TA2  microarc oxidation  SiC nanoparticles  corrosion behavior
Foundation item:科技部重点研发计划(项目号2017YFA0403400)
Author NameAffiliation
Yang Bin,Li Jingyang,Shi Kaiyuan,Wang Zhiwei and Wen Lei  
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Abstract:
      In order to improve the anti-corrosion and anti-wear properties of titanium alloy, a microarc oxidation (MAO) coating was fabricated on the surface of TA2 alloy. The influences of SiC nanoparticles on the microstructure and corrosion behavior of MAO coatings were investigated. The results showed that the introduction of SiC nanoparticles into the base electrolyte increased the coating thickness of MAO coating. The thickness, surface roughness and micropore size of the coating increased with the increasing applied voltage. The microcracks in the coating was decreased by SiC particles. The phase composition of coatings consisted of rutile phase, anatase phase, SiC and SiO2. The OCP and corrosion potential was increased by MAO treatment. The introduction of SiC nanoparticles decreased the anodic current density, and thus increased the corrosion property of the alloy.