Current Research and Development Trend of Functionally Gradient Materials

The paper summarizes the research status of international functionally gradient materials (FGM), introduces the optimization design principles, preparation processes and characteristics evaluation of functionally gradient materials, and focuses on the basic principles and process methods of the preparation process of functionally gradient materials, such as powder metallurgy. , Vapor deposition method, self-propagating high temperature synthesis method, thermal spray method, electrodeposition method, laser cladding method, etc., and look forward to the development prospects and directions of functionally gradient materials.