Effect of Nano-Additives on Microstructure and Mechanical Properties of Ti(C,N)-TiB2-WC Composite Ceramic Cutting Tool Materials

Yue Liu; Chuan Zhen Huang; Han Lian Liu; Bin Zou; Peng Yao; Liang Xu

doi:10.4028/www.scientific.net/KEM.589-590.337

Paper Titles

CFD Analysis of Cryogenic Oil Mist of Milling Cutters with Different Interior Channels
p.317

Study on Wear Mechanism of Carbide Tool in Machining Inconel 718
p.323

Research on the Tools’ Life in the Dynamic Heavy-Duty Cutting Process
p.327

The Research on Cutting Performance of Two Kinds of Ti (C,N)-Based Cermet Cutters
p.332

Effect of Nano-Additives on Microstructure and Mechanical Properties of Ti(C,N)-TiB₂-WC Composite Ceramic Cutting Tool Materials
p.337

Validity Analysis of Generalized Taylor Regression Formula by Tool Wear Test for Difficult-to-Machine Materials
p.342

Study on Helical Groove and Circumferential Cutting Edge Machining Simulation of End Mill
p.351

Establishment of the Low Defect Ceramic Cutting Tool Database
p.357

Wear Behavior of Ti(N,C)-Al₂O₃ Coated Cemented Carbide Tools during Milling Ti₂AlNb-Based Alloy
p.361

HomeKey Engineering MaterialsKey Engineering Materials Vols. 589-590Effect of Nano-Additives on Microstructure and...

Effect of Nano-Additives on Microstructure and Mechanical Properties of Ti(C,N)-TiB₂-WC Composite Ceramic Cutting Tool Materials

Abstract:

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.