韦仙,冯中营,杨文锦

• 1:太原工业学院理学系
• 2:北京理工大学物理学院

摘要(Abstract)：

生物可降解镁合金因其优异的生物性能和力学性能，在医学领域表现出巨大的应用潜力。然而，过快的腐蚀速率阻碍了其临床应用。采用有机官能团(羟基(OH~-)和羧基(COOH~+))离子注入对ZK60镁合金进行表面改性，采用X射线光电子能谱(XPS)技术、纳米压痕仪和电化学腐蚀试验等研究了离子注入对ZK60合金的表面结构、力学性能和耐蚀性的影响，并使用等效电路对电化学阻抗谱(EIS)进行拟合，进一步探讨其腐蚀机理。结果表明：羟基和羧基离子注入后，在ZK60镁合金表面分别形成了富含各种化合物的改性层，致使其力学性能和耐蚀性均得到显著增强，此外，羧基注入的试样在力学性能和耐蚀性方面优于羟基注入的试样。

关键词(KeyWords)： ZK60镁合金;耐蚀性;有机官能团离子注入;力学性能

Abstract:

Keywords:

基金项目(Foundation): 山西省高校科技创新项目(2021L540);; 太原工业学院青年(后备)学科带头人支持计划;; 山西省基础研究计划青年科学研究项目(20210302124264)

作者(Author): 韦仙,冯中营,杨文锦

DOI: 10.13289/j.issn.1009-6264.2021-0499

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