Interactions between tungsten carbide (WC) particulates and metal matrix in WC-reinforced composites

被引：111

作者：

Lou, D

Hellman, J

Luhulima, D

Liimatainen, J

Lindroos, VK

机构：

[1] Helsinki Univ Technol, Lab Phys Met & Mat Sci, FIN-02015 Espoo, Finland

[2] Metso Powdermet Oy, FIN-33101 Tampere, Finland

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2003年 / 340卷 / 1-2期

基金：

芬兰科学院;

关键词：

metal matrix composite; WC; hot isostatic pressing; interface interaction; wear;

D O I：

10.1016/S0921-5093(02)00173-9

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A variety of experimental techniques have been used to investigate the interactions between tungsten carbide (WC-Co 88/12) particulates and the matrix in some new wear resistant cobalt-based superalloy and steel matrix composites produced by hot isostatic pressing. The results show that the chemical composition of the matrix has a strong influence on the interface reaction between WC and matrix and the structural stability of the WC particulates in the composite. Some characteristics of the interaction between matrix and reinforcement are explained by the calculation of diffusion kinetics. The three-body abrasion wear resistance of the composites has been examined based on the ASTM G65-91 standard procedure. The wear behavior of the best composites of this study shows great potential for wear protection applications. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：155 / 162

页数：8

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