超细碳化钨粉末掺量对合金刀头相结构和力学性能的影响  

Influence of Superfine WC Powder Additive Quantity on Phase Struture and Mechanical Properties of Alloy Blades

作　　者：郑汉书[1] 熊震[2] 邵刚勤[2] 段兴龙[2] 

机构地区：[1]中国科学院广州晶体科技有限公司,广东广州510520 [2]武汉理工大学材料复合新技术国家重点实验室,湖北武汉430070

出　　处：《机电产品开发与创新》2006年第2期17-18,共2页Development & Innovation of Machinery & Electrical Products

基　　金：教育部科学技术重点研究项目(105123)

摘　　要：采用超细WC粉末、工业级的Sn、Ni、Co、Cu粉末和金刚石为原料,经真空烧结后制备成合金刀头。用XRD测试了WC粉末和合金的相结构,用SEM观察了WC粉末和合金的形貌。研究结果表明,超细WC的添加能改善以Sn-Ni-Co-Cu结合的金刚石合金刀头的力学性能,最终可获得HRB101和1180MPa的材料。Superfine WC Powder, commercial Sn, Ni, Co, Cu powders and diamond were used for this study. Alloy blades were prepared by vacuum sintering. The phase analysis of superfine WC powder and blades was carried out by an X-ray diffractometry （XRD） . Their morphological characters were determined by a scanning electron microscopy （SEM） . Results show that the addition of superfine WC powder can increase mechanical properties of Sn-Ni-Co-Cu combined diamond blades. The material with high hardness （HRB = 101） and superior strength （1180 MPa） was obtained.

关 键 词：超细碳化钨 合金刀头 力学性能 

分 类 号：TG115[金属学及工艺—物理冶金]