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2008•Journal of Solid Rocket TechnologyRequires access

Research on wear properties and mechanism of SiC/MoSi_2 composites

Liqiu Wang

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Abstract

The wear surface,wear debris micrographs and composition of SiC/MoSi2 composites against CrWMn steel were observed and measured by means of SEM and EDS.The dry friction and wear properties and wear mechanism of SiC/MoSi2 composites against CrWMn steel were investigated.The results show that the addition of the second phase SiC has a remarkable influence on wear behavior of MoSi2,which changes the wear process of MoSi2.The wear resistance of SiC/MoSi2 composite is superior to that of pure MoSi2.The wear mechanism of SiC/MoSi2 composite against CrWMn steel presents mainly oxidation wear,following slight adhesive wear.

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What this paper is about

The wear surface,wear debris micrographs and composition of SiC/MoSi2 composites against CrWMn steel were observed and measured by means of SEM and EDS.The dry friction and wear properties and wear mechanism of SiC/MoSi2 composites against CrWMn steel were investigated.The results show that the addition of the second phase SiC has a remarkable influence on wear behavior of MoSi2,which changes the wear process of MoSi2.The wear resistance of SiC/MoSi2 composite is superior to that of pure MoSi2.The wear mechanism of SiC/MoSi2 composite against CrWMn steel presents mainly oxidation wear,following slight adhesive wear.

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Available abstract

The wear surface,wear debris micrographs and composition of SiC/MoSi2 composites against CrWMn steel were observed and measured by means of SEM and EDS.The dry friction and wear properties and wear mechanism of SiC/MoSi2 composites against CrWMn steel were investigated.The results show that the addition of the second phase SiC has a remarkable influence on wear behavior of MoSi2,which changes the wear process of MoSi2.The wear resistance of SiC/MoSi2 composite is superior to that of pure MoSi2.The wear mechanism of SiC/MoSi2 composite against CrWMn steel presents mainly oxidation wear,following slight adhesive wear.

Key concepts: Materials science, Adhesive wear, Composite material, Composite number, Wear resistance, Phase (matter), Adhesive, Layer (electronics)

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