高亚丽,熊党生

• 1:东北电力大学机械工程学院
• 2:南京理工大学材料科学与工程系

摘要(Abstract)：

为了提高医用镁合金的表面耐蚀性和生物相容性,采用等离子喷涂技术在镁合金表面制备羟基磷灰石(HA)涂层。研究结果表明,镁合金表面所制备的HA涂层与基体结合牢固,界面无裂纹、气孔等缺陷。相组成为生物相容性较好的HA和少量的Ca3(PO4)2(TCP),显微组织具有层状特征,涂层表面存在一些有利于骨长入的孔隙。涂层的弹性模量约为19.825 GPa,接近骨的弹性模量,涂层表面硬度为300～350 HV。腐蚀试验和钙磷沉积试验结果表明HA涂层具有较好的耐蚀性和骨诱导性。

关键词(KeyWords)： 镁合金;等离子喷涂;羟基磷灰石;耐蚀性;生物相容性

Abstract:

Keywords:

基金项目(Foundation): 中国博士后科学基金资助项目(20070421011);; 江苏省博士后科学基金资助项目(0702029B)

作者(Author): 高亚丽,熊党生

DOI: 10.13289/j.issn.1009-6264.2011.01.021

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