摘要
采用微波烧结新技术研究了WCCo 细晶硬质合金的烧结工艺与性能, 并同常规烧结工艺进行了比较。结果表明: 微波烧结WCCo 细晶硬质合金在1 300 ℃的烧结温度下保温10 min 时, 可达到99 .8 % 的相对密度; 烧结温度降低, 烧结时间大幅度缩短, 且制品的显微晶粒尺寸只有常规烧结的一半; 抗弯强度、矫顽磁力。
Using the microwave sintering new technology, the technology and property of WC Co fine grain cemented carbide in microwave sintering was studied and compared with conventional sintering technology. The results show that microwave sintered WC Co fine grain cemented carbide can reach 99.8% relative density in 1 300 ℃ sintering temperature and 10 min preservation. The microwave sintering not only can reduce sintering temperature and shorten sintering time in large range, but also can decrease micro grain size of products over less one half and increase bending strength, coercive force and hardness in large range compared with conventional sintering.
出处
《中国有色金属学报》
EI
CAS
CSCD
北大核心
1999年第3期465-468,共4页
The Chinese Journal of Nonferrous Metals
基金
"八六三"高技术资助
关键词
微波烧结
钴
硬质合金
工艺
性能
碳化钨
microwave sintering
WC Co cemented carbide
technology
properties