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Title: Influence of electrical discharge machining on sliding friction and wear of WC-Ni cemented carbide
Authors: Bonny, K ×
De Baets, P
Van Wittenberghe, J
Delgado, Y. Perez
Vleugels, Jef
Van der Biest, Omer
Lauwers, Bert #
Issue Date: Dec-2010
Publisher: Butterworth Scientific
Series Title: Tribology International vol:43 issue:12 pages:2333-2344
Abstract: Tribological characteristics of fine-grained WC-8 wt%Ni with different surface finishing conditions corresponding to sequential wire electrical discharge machining (wire-EDM) or grinding were investigated by performing dry reciprocating sliding experiments on TE77 pin-on-plate equipment with WC-6 wt%Co as mating material. Surface finishes and wear surfaces were characterized using surface topography scanning, SEM analysis and EDX spectrometry. The decreased wear resistance due to wire-EDM could be linked to flexural strength properties as well as XRD measurements revealing tensile residual stresses on wire-EDM surfaces, in contrast with the compressive stress state on ground surfaces. Substantial improvement of wear resistance was accomplished with finer-executed EDM steps. (C) 2010 Elsevier Ltd. All rights reserved.
URI: 
ISSN: 0301-679X
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Production Engineering, Machine Design and Automation (PMA) Section
× corresponding author
# (joint) last author

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