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利用激光熔覆技术,原位生成VC颗粒增强镍基涂层,用X射线衍射仪对涂层相结构进行分析,应用热力学原理对原位生成VC的热力学过程进行分析。结果表明,VC在约1000 K温度下能够原位生成;原位生成VC颗粒增强相在热力学上是可行的。
The laser cladding technique was used to generate VC particles in situ to enhance the Ni-based coating. The phase structure of the coating was analyzed by X-ray diffractometer. The thermodynamic process was used to analyze the thermodynamics of the in situ VC. The results show that VC can be generated in situ at a temperature of about 1000 K. The in-situ generation of VC particle reinforced phase is thermodynamically feasible.