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1铸件表面合金化工艺的发展过程铸件表面合金化，是将能形成表面特殊性能层的各种铁合金粉末粘附，贴固或涂刷在铸型的特定表面上，然后浇注液体金属，利用其热量使表面金属材料熔化而与母材金属结合，从而在铸件表面形成特殊性能层。铸件表面合金化工艺是本世纪70年代初发展起
1 Casting surface alloying process development Casting surface alloying, is to form a special surface layer of the various iron alloy powder adhesion, sticking or brushing on a specific surface of the mold, and then pouring liquid metal, using it The heat causes the surface metal material to melt and bond with the base metal to form a layer of special properties on the surface of the casting. Casting surface alloying process is the early 70s of this century developed