(1. 湖南科技大学 机电工程学院，湘潭 411201；
2. 中国矿业大学 机电工程学院，徐州 221008)
摘 要:
使用不同C与N摩尔比的Ti(C, N)固溶体粉末作为基体材料，采用真空烧结工艺研制两种Ti(C, N)基金属陶瓷刀片试样，并考察两种刀片试样和日本住友T
关键字: Ti(C, N)基金属陶瓷；刀具；高速切削；磨损
（1. School of Mechatronic Engineering, Hunan University of Science and Technology, Xiangtan 411201, China;
2. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou 221008, China）
Abstract:Two Ti(C, N)-based cermet inserts samples were fabricated by using Ti(C, N) solid solution matrix with different molar ratios of C to N and vacuum sintering process. The cutting performance of sample A, sample B and T1200A in the dry cutting 20CrMn steel were studied. The morphologies and microstructure of crater and flank wear were observed by using a scanning electron microscope. The wear mechanism of Ti(C, N)-based cermet tools in high speed cutting was discussed. The results show that the Ti(C, N)-based cermet tools are dominated by adhesion, diffusion and oxidation wear in high speed cutting. And decreasing the ratio of C to N in Ti(C, N) solid solution is helpful to improve the resisting wear capability of Ti(C, N)-based cermet tools.
Key words: Ti(C, N)-based cermet; cutting tool; high-speed cutting; wear
