摘要
TiC复合添加剂是经SHS方法,在TiC表面包覆一层能与铁良好结合的金属,加入铁基粉末冶金结构材料中,在常规压制密度(68~70g/cm3)及固相烧结条件下,TiC能与基体良好结合,作为硬质相能有效提高材料烧结及淬火后的力学性能。本文探索研究了多种TiC复合Fe,Ni,FeMo的添加剂,在常规工艺条件下对铁基粉末冶金结构材料力学性能的影响。
TiCcompositesareproducedbycladdingaLayerofmetalonTiCparticlesurfacebymeansofSHSprocess.Thecompositeshavegoodbondstrengthtotheferrousmatrixwithmediumsintereddensity(6.87.0g/cm3)andhavehighmechanicalpropertiesafterquenchingduetoeffectiveimprovementofsinteringperformance.TheeffectofadditivesTiC/Fe,TiC/FeMo,TiC/NiFeetc.OnmechanicalpropertiesofPMferrousstructuralmaterialsproducedundertheconventionalconditionshasbeeninvestigated.
出处
《粉末冶金工业》
CAS
1999年第3期17-22,共6页
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