Paper Title:
Spark Plasma Sintering of CBN-WC-10Co Composites
  Abstract

Nanocomposite WC-10Co powder produced by spray pyrolysis-continuous reduction & carbonization technology and cubic boron nitride (CBN) plated with titanium by vacuum vapor deposit were used, and this paper adopted spark plasma sintering (SPS) process to prepare CBN enhanced ultrafine WC-10Co cemented carbide cermets composite material. The microstructure and mechanical properties of CBN-WC-10Co composites were investigated. The results show that CBN-WC-10Co composites consolidated by spark plasma sintering can reach 95.0 % relative density, and transverse rupture strength (TRS) is 1050 MPa, the average grain size of cermets matrix is less than 420 nm, and CBN-WC-10Co composites with excellent properties are achieved. The CBN still remains very good crystal shape after 1240°C spark plasma sintering, and there is not obvious clearance between CBN plated with titanium and the cermets matrix, the coated titanium layer can not only improve the thermal stability of CBN, but also increase the properties of CBN-WC-10Co composites.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
1053-1055
DOI
10.4028/www.scientific.net/KEM.336-338.1053
Citation
X. L. Shi, G. Q. Shao, X. L. Duan, R.Z. Yuan, "Spark Plasma Sintering of CBN-WC-10Co Composites", Key Engineering Materials, Vols. 336-338, pp. 1053-1055, 2007
Online since
April 2007
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Price
$32.00
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Authors: Hai Long Wei, Hai Yan Lei, Guo Xiong Zhong, Hai Zhou Yu, Ping Feng
Chapter 1: Materials Science and Technologies
Abstract:Four Ti (C,N)-based cermets with Cr3C2 content of 0.3%, 0.6%, 0.9% and 1.2 % in mass ratio were sintered in vacuum at...
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