Abrasive wear resistance of WC-Co and WC-AISI 304 composites by ball-cratering method

被引：33

作者：

Vilhena, L. M. ^{[1
]}

Fernandes, C. M. ^{[2
]}

Soares, E. ^{[3
]}

Sacramento, J. ^{[3
,4
]}

Senos, A. M. R. ^{[2
]}

Ramalho, A. ^{[1
]}

机构：

[1] Univ Coimbra, Dept Mech Engn, CEMUC, P-3030788 Coimbra, Portugal

[2] Univ Aveiro, Dept Mat & Ceram Engn CICECO, P-3810193 Aveiro, Portugal

[3] DURIT Met Portuguesa Tungstenio Lda, P-3854909 Albergaria A Velha, Portugal

[4] Univ Aveiro, ESTGA Agueda Sch Technol & Management, P-3754909 Agueda, Portugal

来源：

WEAR | 2016年 / 346卷

关键词：

Tungsten carbide; Cobalt; Stainless steel; Abrasive wear; Ball-cratering; Cemented carbides; MICROABRASION RESISTANCE; HARDMETALS; CORROSION; COATINGS; BEHAVIOR; TRANSITIONS; FRICTION; 2-BODY;

D O I：

10.1016/j.wear.2015.11.005

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In the present work, the effect of different binder materials on the tribological properties of cemented carbides was studied. Flat samples of conventional WC-Co, and newly developed WC-AISI 304 stainless steel (SS) composites with and without carbon addition were surface finished by grinding and polishing. Comparative experiments were performed using a ball-cratering tribometer. Worn surfaces were characterized by optical microscopy, surface scanning topography and scanning electron microscopy. It was found that the abrasive wear resistance of the developed WC-SS composites is higher than that of conventional WC-Co and decreases with the carbon addition, in a direct relation with the decreasing hardness. The mechanisms of wear degradation are discussed. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：99 / 107

页数：9

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