4 结论

　　利用微弧氧化技术可以在TC4钛合金合金表面原位生长形成由疏松层、致密层组成的陶瓷层，主要由金红石相和锐钛矿相构成。微弧氧化陶瓷层表面粗糙，存在一些微裂纹，并分布着直径为几微米的孔洞及大量熔岩状的圆形颗粒。TC4钛合金微弧氧化陶瓷层能显著提高基体的耐磨性，摩擦系数和磨损量均有所减小。

　　参考文献:

　　[1] XUE Wen-Bin., WANG Chao., CHEN Ru-yi, DENG Zhi-wei. Structure and properties characterization of ceramic coatings produced on Ti-6Al-4V alloy by microarc oxidation in aluminate solution[J]. Material Letter, 2002, 52:435-441

　　[2] XUE Wen-bin, WANG Chao, LI Yong-liang, CHEN Ru-yi. Charaterization of microarc oxidation coatings on pure titanium. Rare Metals, 2003, 22(1): 42-47

　　[3] YAO Zhong-ping, JIANG Zhao-hua, SUN Xue-tong, et al. Composition and structure of coatings on Ti-6Al-4V alloy by micro-plasma oxidation in NaAlO2 solution. Trans Nonferrous Met Soc China, 2004, 14: 162-165

　　[4] X.Nie, A. Leyland, A. Matthews. Deposition of layered biocerramic hydroxyapatite/TiO2 coatings on titanium alloys using a hybrid technique of microarc. Surface and Coatings Technology, 2000,125: 407-412

　　[5] 王亚明, 蒋百灵, 雷廷权. Ti6Al4V表面微弧氧化陶瓷涂层的结构和摩擦学特性[J]. 摩擦学学报, 2003, 23(5): 371~375

 2/2   首页 上一页 1 2