Effect of WC and group IV carbides on the cutting performance of Ti(C,N) cermet tools

Won Tae Kwon, June Seuk Park, Seong Won Kim, Shinhoo Kang

Research output: Contribution to journalArticlepeer-review

113 Scopus citations

Abstract

The effect of carbides and nitrides from group IV (ZrC, ZrN and HfC) in the periodic table on the microstructure and cutting performance of Ti(C,N)-xWC-Ni systems was examined. The WC content was varied from 5 to 20 wt. % and additive carbides or nitrides were added individually at a level of 1 wt.%. In general, inserts containing 15 wt.% WC exhibited the longest tool life for turning while those containing 20 wt.% WC showed the longest tool life for milling. When 1 wt.% ZrC, ZrN, or HfC were added to Ti(C,N)-14WC-Ni (wt.%), these cermets showed the best cutting performance among the various cermet compositions investigated in this study. The improved performance can be attributed to the low strain energy developed between the core and rim interfaces.

Original languageEnglish
Pages (from-to)341-346
Number of pages6
JournalInternational Journal of Machine Tools and Manufacture
Volume44
Issue number4
DOIs
StatePublished - Mar 2004

Keywords

  • Cutting performance
  • Group IV element
  • Ti(C,N) based cermet
  • Tungsten carbide

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