高亚丽,接勐,张海波

• 1:东北电力大学机械工程学院
• 2:吉林化工学院机电工程学院

摘要(Abstract)：

为提高医用镁合金的表面耐蚀性和生物相容性,采用等离子喷涂和激光重熔复合技术在镁合金表面制备羟基磷灰石(HA)生物涂层。研究结果表明,所制备的羟基磷灰石涂层为短杆状堆积结构,主要由HA和β-TCP相组成;涂层的弹性模量约为50 GPa,较已临床应用的医用金属材料显著降低,显微硬度约为455 HV,具有较好的耐磨性。涂层在模拟体液中具有很好的耐蚀性,在腐蚀12 d后涂层表面形貌仍然较完整,无腐蚀孔洞出现。钙磷沉积实验结果表明,涂层表面形成一层新的生物磷灰石层,表明涂层具有较好的骨诱导性。

关键词(KeyWords)： 镁合金;羟基磷灰石;等离子喷涂;激光重熔

Abstract:

Keywords:

基金项目(Foundation): 东北电力大学博士启动基金(DSJXM-201010)

作者(Author): 高亚丽,接勐,张海波

DOI: 10.13289/j.issn.1009-6264.2012.09.025

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