氧化物润滑材料的研究进展

随着航空航天等高新技术装备的发展,要求相关运动部件在极高的温度下具有优异的摩擦学性能,因此开发适应极高温度的自润滑材料具有重大意义。综述了二元氧化物润滑材料和三元氧化物润滑材料用作高温固体润滑材料的研究与发展。重点介绍了含有Magnéli同源相的二元和三元氧化物润滑材料,在高温和宽温域环境下的摩擦学性能,同时也说明了通过控制材料的生长结构和缺陷形式,来生成具有高温润滑性的氧化物,成为实现材料高温润滑的一种潜在方法,并讨论了这些氧化物的结构、化学性能和电性能与其摩擦学性能的相关性。最后概括了氧化物润滑材料在工业中的应用前景,并提出了研发单一润滑材料实现室温至高温(25~1000℃)宽温域下的连续润滑成为未来的发展趋势。

Research Progress of Oxide Lubricating Materials

With the development of high-tech equipment such as aerospace, the relevant moving parts are required to have excellent tribological properties at extremely high temperatures. Therefore, it is of great significance to develop self-lubricating materials that adapt to extremely high temperatures. This paper reviews the research and development of binary and ternary lu-bricating materials for high temperature solid lubricating materials. The tribological properties of the binary and ternary oxide lubricating materialscontaining Magnéli homologous phase are emphasized in the environment of high temperature and wide temperature. It also shows that oxide with high temperature lubricity by controlling the growth structure and defect form of the material is a potential method to achieve high temperature lubrication of materials, and the relationship between the structure, chemical properties and electrical properties of these oxides related to their tribological properties are introduced. Finally, the application prospect of oxide lubricating materials in industry is summarized, and the development of single lubricating mate-rials to achieve continuous lubricationunder the wide temperature range of room temperature to high temperature(25~1000 ℃) in the future is put forward.