Mechanical properties and cutting performance of TiCN-based cermets fabricated by spark plasma sintering
by Siwen Tang; Deshun Liu; Pengnan Li; Lingli Jiang; Qiulin Niu
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 20, No. 1, 2018

Abstract: TiCN-based cermet cutting tools were fabricated by spark plasma sintering. The effect of each component on mechanical properties and cutting performance was studied. The results show that the density, strength, and hardness of TiCN-based cermets can be improved by adding SiC_w and La₂O₃. Compare to TiCN-5Co cermets, TiCN-5Co-1SiC_w and TiCN-5Co-1SiC_w-1La₂O₃ obtained good mechanical properties. Cutting experiments showed that the cutting force on a TiCN-5Co-1SiC_w-1La₂O₃ tool was significantly reduced compared to that on a TiCN-5Co-1SiC_w tool; meanwhile, the wear resistance of TiCN-5Co-1SiC_w-1La₂O₃ was enhanced to a significant extent.

Online publication date: Fri, 26-Jan-2018

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