Sliding wear of electrically conductive ZrO2-WC composites against WC-Co cemented carbide

被引：13

作者：

Bonny, K. ^{[1
]}

De Baets, P. ^{[1
]}

Vleugels, J. ^{[2
]}

Salehi, A. ^{[2
]}

Van der Biest, O. ^{[2
]}

Lauwers, B. ^{[3
]}

Liu, W. ^{[3
]}

机构：

[1] Univ Ghent, Dept Mech Construct & Prod, B-9000 Ghent, Belgium

[2] Catholic Univ Louvain, Dept Met & Mat Engn, MTM, B-3001 Heverlee, Belgium

[3] Catholic Univ Louvain, Dept Mech Engn, PMA, B-3001 Heverlee, Belgium

来源：

TRIBOLOGY LETTERS | 2008年 / 30卷 / 03期

关键词：

ZrO(2)-WC composite; unlubricated friction; SEM; XRD; wear mechanisms;

D O I：

10.1007/s11249-008-9326-1

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

ZrO(2)-based composites with WC addition can be successfully machined by electrical discharge machining (EDM) in demineralised water. ZrO(2) composites with 40 vol.% WC were produced from nanocrystalline and micrometre sized WC starting powders in order to compare their tribological behaviour. Friction and wear data are obtained on wire-EDM'ed ZrO(2)-WC composite flats sliding against a WC-Co cemented carbide pin using a small-scale pin-on-plate testing rig. Correlations between wear volume, wear rate and friction coefficient on the one hand and material properties and test conditions on the other hand were elucidated. The experimental results revealed that the grain size of the electro-conductive WC-phase exhibits a strong influence on the friction and wear behaviour of the ZrO(2)-based composite.

引用

页码：191 / 198

页数：8

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