申请人:General Research Institute For Non-Ferrous Metals
公开号:US05248328A1
公开(公告)日:1993-09-28
This invention discloses a process for preparing rare earth containing hard alloy, comprising preparing metal carbide powder containing rare earth metals or cobalt powder containing rare earth metals by using wet coprecipitating method; according to the composition of alloy, at least one kind of the metal carbide powder containing rare earth metal and cobalt powder containing rare metals being mixed homogeneously with other raw materials, shaping and finally sintering under high temperature. The process of the invention is simple technologically. The properties of the products produced by the process of the invention are good, stable and repeatable.
本发明披露了一种制备含稀土硬质合金的方法,包括使用湿共沉淀法制备含稀土金属的金属碳化物粉末或含稀土金属的钴粉末;根据合金的组成,将至少一种含稀土金属的金属碳化物粉末和含稀土金属的钴粉末与其他原材料均匀混合,成型并最终在高温下烧结。本发明的工艺简单,所制备的产品性能良好、稳定且重复性好。