Influence of electrical discharge machining on sliding friction and wear of WC-Ni cemented carbide

被引：20

作者：

Bonny, K. ^{[1
]}

De Baets, P. ^{[1
]}

Van Wittenberghe, J. ^{[1
]}

Delgado, Y. Perez ^{[1
]}

Vleugels, J. ^{[2
]}

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

Lauwers, B. ^{[3
]}

机构：

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

[2] Catholic Univ Leuven KU Leuven, Dept Met & Mat Engn, BE-3001 Louvain, Belgium

[3] Catholic Univ Leuven KU Leuven, Dept Mech Engn, BE-3001 Louvain, Belgium

来源：

TRIBOLOGY INTERNATIONAL | 2010年 / 43卷 / 12期

关键词：

WC-Ni cemented carbide; Wire-EDM; Dry reciprocating sliding; Pin-on-plate; TRIBOLOGICAL CHARACTERISTICS; ELECTROCHEMICAL-BEHAVIOR; CO; EDM; RESISTANCE; HARDMETALS; STRENGTH; FRACTURE; NANOCOMPOSITES; CORROSION;

D O I：

10.1016/j.triboint.2010.08.008

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

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.

引用

页码：2333 / 2344

页数：12

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