周广宏,丁红燕,朱庆灵,张娜,侯化龙,曹维克,庞利群

• 1:淮阴工学院江苏省介入医疗器械研究重点实验室
• 2:江苏大学材料科学与工程学院
• 3:淮安市第一人民医院

摘要(Abstract)：

通过在电解液中添加适量的氟化铵和羟基磷灰石(HA)颗粒,采用微弧氧化法在AZ31B镁合金表面制备了含有F-和HA的活性陶瓷涂层,研究了F-的加入对涂层的组织形貌、耐蚀性能、亲水性能和血液相容性能的影响。结果表明:电解液中添加F-能有效抑制含HA陶瓷膜层的表面微裂纹的形成,并提高了陶瓷涂层的耐蚀性,腐蚀电位从-1.208 V提高至-0.978 V,腐蚀电流密度降低一个数量级,腐蚀速率减缓了近4倍。此外,F-能提高含HA陶瓷膜层的亲水性能,其静态水的接触角从18.7°降为6.8°,表面血小板粘附量显著减少,呈现出良好的血液相容性。

关键词(KeyWords)： 镁合金;微弧氧化;HA涂层;耐蚀性;血液相容性

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51175212);; 江苏省介入医疗器械研究重点实验室开放基金项目(JR1211)

作者(Author): 周广宏,丁红燕,朱庆灵,张娜,侯化龙,曹维克,庞利群

DOI: 10.13289/j.issn.1009-6264.2014.09.032

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