WC-TiC-TaC-Co硬质合金中TaC含量对其显微组织和力学性能的影响

和淑文, 王鸣华, 白琴, 夏爽, 周邦新

Effect of TaC Content on Microstructure and Mechanical Properties of WC-TiC-TaC-Co Cemented Carbide

HE Shuwen, WANG Minghua, BAI Qin, XIA Shuang, ZHOU Bangxin

表1 WC-TiC-TaC-Co硬质合金成分 (mass fraction / %)

Table 1 Compositions of WC-TiC-TaC-Co cemented carbides

Sample W C Co Ta* Ti△ S4 82.1 5.0 6.2 4.3 2.4 S5 79.4 5.4 6.7 5.2 3.3 S6 79.4 5.0 6.9 5.9 2.8 S7 77.5 6.3 6.6 6.8 2.8