Spark plasma sintering and characterization of WC-Co-cBN composites

Jianfeng Zhang, Rong Tu, Takashi Goto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

WC-Co-cBN composites were consolidated by SPS at 1373 to 1673 K under a moderate pressure of 100 MPa. The addition of cBN increased the starting and finishing temperature of shrinkage and decreased the relative density of WC-Co. The relative density of WC-(10-20 vol%) cBN composites was about 97-100% at 1573 K and decreased with increasing the sintering temperature to 1673 K due to the phase transformation of cBN to hBN. The highest hardness and fracture toughness of WC-Co-20 vol% cBN composite sintered at 1573 K were 23.2 GPa and 8.0 MP m1/2, respectively.

Original languageEnglish
Title of host publicationAdvanced Ceramics and Novel Processing
PublisherTrans Tech Publications Ltd
Pages194-198
Number of pages5
ISBN (Print)9783038351306
DOIs
Publication statusPublished - 2014
Event5th International Symposium on Advanced Ceramics, ISAC 2013 and 3rd International Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2013 - Wuhan, China
Duration: 2013 Dec 92013 Dec 12

Publication series

NameKey Engineering Materials
Volume616
ISSN (Print)1013-9826
ISSN (Electronic)1662-9795

Other

Other5th International Symposium on Advanced Ceramics, ISAC 2013 and 3rd International Symposium on Advanced Synthesis and Processing Technology for Materials, ASPT 2013
CountryChina
CityWuhan
Period13/12/913/12/12

Keywords

  • Mechanical properties
  • Phase transformation
  • Spark plasma sintering
  • WC-Co-cBN composites

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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