铝、镁、钛基材料微弧氧化涂层摩擦学性能研究进展

Research Progress on Tribological Properties of Micro Arc Oxidation Coatings on Aluminum, Magnesium and Titanium Based Materials

铝、镁、钛基材料作为最有代表性的阀金属具有比强度高、加工性能好、生物相容性优异等诸多特点,被广泛应用于航空航天、汽车、电子通信、医疗等各大行业。但铝、镁、钛基材料摩擦学性能普遍较差。本文综述了利用微弧氧化技术改善铝、镁、钛基材料摩擦学性能的理论基础和应用研究现状;总结了电解液体系、电参数和反应时间对微弧氧化涂层的表面形貌、成分、组织结构和摩擦磨损性能的影响,重点介绍了微弧氧化直接复合技术和二次复合技术,并对未来的应用和发展进行了展望。

As the most representative valve metal,aluminum,magnesium and titanium based materials have many characteristics such as high specific strength,good processing performance and excellent biocompatibility.They are widely used in aerospace,automotive,electronic communication,medical and other major industries.However,the tribological behavior of aluminum,magnesium and titanium based materials is generally poor.This paper reviews the theoretical basis and application research status of micro-arc oxidation technology to improve the tribological behavior of aluminum,magnesium and titanium based materials.The effects of electrolyte systems,electrical parameters and micro-arc oxidation time on the morphology,composition,microstructure and tribological behavior of micro-arc oxidation coatings are summarized.The direct composite technology and secondary composite technology of micro-arc oxidation are introduced.Finally,the future application and development are prospected.