Cu-Ni合金的粉末共渗制备法  

Experimental Studies on Powder Oozing Together Cu-Ni Alloy

作　　者：宋玉强[1] 李世春[1] 

机构地区：[1]石油大学机电学院材料系,山东东营257061

出　　处：《有色金属》2004年第1期1-3,12,共4页Nonferrous Metals

基　　金：国家自然科学基金(59871031)

摘　　要：用固相烧结法将铜粉和镍粉制成块状试样,用OM,SEM和X-射线衍射等方法分析混合粉的扩散过程,研究铜粉和镍粉通过固相扩散形成单相Cu-Ni固溶体合金的临界工艺条件、共渗Cu-Ni合金的结构特征和性能特点。研究发现,铜和镍混合粉在一定的工艺条件下可以形成单相无限Cu-Ni固溶体合金。在共渗Cu-Ni合金中,Cu-50Ni合金的密度和硬度最大,分别为7.74kg/m3和HV163。The bulk specimens are prepared from the Cu powder and Ni powder mixtures by solid sintering. The diffusion effects of Cu powder and Ni powder are analyzed with OM, SEM and X-ray diffraction. And the critical technological condition, structure and properties of the mono-phase solid solution of Cu-Ni alloy made by powder co-oozing are investigated. The results show that the mono-phase Cu-Ni solid solution alloy can be made from Cu powder and Ni powder under the critical technological condition. In series of co-oozed Cu-Ni alloy, the density and hardness of Cu-50Ni, 7.74kg/m3 and HV163, are maximum, respectively.

关 键 词：CU-NI合金 粉末共渗 粉末冶金 固溶体 固相烧结 SEM X-射线衍射 

分 类 号：TF125.211[冶金工程—粉末冶金]