采用交流微弧氧化法于Na2SiO3-KOH-(NaPO3)6-NaAlO2溶液中在Ti6Al4V表面形成了氧化物陶瓷膜.用扫描电镜和X射线衍射研究了陶瓷膜的组织形貌和相组成,用Nano Indenter XP系统研究膜层的力学特性.结果表明:氧化膜分为3层,即过渡层、致密层与疏松层.膜层主要由金红石相TiO2及少量锐钛矿相TiO2组成.膜层中致密层与基底的弹性回复分别为40.5%和14.9%,硬度分别为8.54 GPa和5.5 GPa,弹性模量分别为87.4 GPa和150 GPa,膜层表现出明显的陶瓷特征.
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