医用钛合金热氧化处理工艺及其耐磨损、耐腐蚀性能和生物活性的研究进展

摘要

热氧化处理可改善医用钛合金耐磨损、耐腐蚀及生物活性等性能，为研发新一代人工关节耐磨涂层提供了希望。结合笔者研究结果探索了热氧化钛合金的薄膜生长机理及工艺参数优化，综述了热氧化处理对医用钛合金耐磨损、耐腐蚀及生物活性改进的研究进展，最后对氧化膜失效机理及发展趋势进行了总结和展望。%The thermal oxidation treatment can improve the wear resistance, corrosion resistance and biological activity of medical titanium alloy and provides new hope for the development of the long lifetime artificial joints. The coating growth mechanism and process parameters optimization of thermally oxidized titanium alloy were studied based on our research results. Then, the research progress on the improvement of wear resistance, corrosion resistance and biological activity of thermally oxidized biomedical titanium alloy was reviewed. Finally, the failure mechanism and development trend were summarized and prospected.