标题：Effect of nano-additives on microstructure and mechanical properties of Ti(C, N)-TiB2-WC composite ceramic cutting tool materials
作者：Liu, Yue ;Huang, Chuanzhen ;Liu, Hanlian ;Zou, Bin ;Yao, Peng ;Xu, Liang
作者机构：[Liu, Yue ;Huang, Chuanzhen ;Liu, Hanlian ;Zou, Bin ;Yao, Peng ;Xu, Liang ] Center for Advanced Jet Engineering Technologies (CaJET), Key Laboratory o 更多
会议名称：12th Conference on Machining and Advanced Manufacturing Technology, CMAMT 2013
会议日期：July 24, 2013 - July 27, 2013
来源：Key Engineering Materials
摘要：Ti(C, N)-TiB2-WC composite ceramic cutting tool materials with nano-scale additives Ni and Mo, and micro-scale additives Ni and Mo as sintering aids were sintered respectively at a temperature of 1550 °C for holding time of 1hour in vacuum by a hot-press technique. The effects of nano-scale additives Ni and Mo, and micro-scale additives Ni and Mo on microstructure and mechanical properties of composites were compared and investigated. It is concluded that the wettability of nano-scale Ni and Mo to the composites is better than that of micro-scale Ni and Mo. The nano-scale whiskers were found in the composite ceramic tool materials with nano-scale additives. The addition of nano-scale Ni and Mo instead of micro-scale Ni and Mo could make the flexural strength and fracture toughness of Ti(C, N)-TiB2-WC composites have a promotion, but could not make the hardness of the composites increase in this study. © (2014) Trans Tech Publications.