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Influence of Surface Finishing Operations on Reciprocating Sliding Friction and Wear Response of WC Based Cemented Carbides

[+] Author Affiliations
K. Bonny, P. De Baets, Y. Perez, S. Van Autrève, J. Van Wittenberghe

Ghent University, Gent, Belgium

B. Lauwers

Catholic Leuven University, Leuven, Belgium

J. Vleugels, O. Van der Biest

Catholic University of Leuven, Leuven, Belgium

Paper No. IJTC2009-15177, pp. 95-97; 3 pages
doi:10.1115/IJTC2009-15177
From:
  • ASME/STLE 2009 International Joint Tribology Conference
  • ASME/STLE 2009 International Joint Tribology Conference
  • Memphis, Tennessee, USA, October 19–21, 2009
  • Conference Sponsors: Tribology Division
  • ISBN: 978-0-7918-4895-1 | eISBN: 978-0-7918-3862-4
  • Copyright © 2009 by ASME

abstract

From comparative dry sliding pin-on-plate experiments on distinctive WC-Co and WC-Ni cemented carbides, machined by grinding or wire-EDM, correlations are derived between wear rate, wear volume and coefficient of friction and contact load, sliding distance, microstructure and surface finish condition. The EDM induced surface modification turns out to deteriorate wear resistance, especially during the wear-in stage of sliding. These findings are in agreement with X-ray diffraction measurements of the residual stress level in the WC phase.

Copyright © 2009 by ASME

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