综述了采用激光熔覆方法制备硅化物涂层中原位生成的强化相类型、分布以及强化机理,主要分析了各种强化相强化的涂层在室温、高温条件下的摩擦磨损性能.三元Laves相作为涂层强化相的研究最多,应用较成熟,是一类理想的激光熔覆涂层强化相.σ相和Cr3Si相因自身存在严重的室温脆性,应用受到一定限制.Me5 Si3型相有突出的抗磨粒和粘着磨损的能力,其作为强化相应用到激光熔覆涂层中具有很大潜力.MeSi2型相自身的高熔点特性使其在制备高温耐磨涂层过程中得到应用.对过渡族金属与硅通过激光熔覆制得耐磨涂层的应用做出了展望.
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