坯体成形工艺对烧结制备超细晶WC-12Co硬质合金组织和力学性能的影响

王超, 王海滨, 玄拾雷, 刘轩, 刘雪梅, 宋晓艳

Effects of Powder Molding Process on the Microstructure and Mechanical Properties of As-Sintered Ultrafine- Grained WC-12Co Cemented Carbides

WANG Chao, WANG Haibin, XUAN Shilei, LIU Xuan, LIU Xuemei, SONG Xiaoyan

图6 PEG质量分数为1.5%时不同浓度PEG溶液成形坯体烧结制备WC-12Co硬质合金的硬度、断裂韧性与抗弯强度的变化

Fig.6 Variations of hardness and fracture toughness (a), and transverse rupture strength (c) of the sintered WC-12Co cemented carbides with different PEG solution concentrations at PEG content of 1.5% during the molding process