首页|Effect of tungsten carbide content on the tribological behavior of TiB_2-TiC-based cermets
Effect of tungsten carbide content on the tribological behavior of TiB_2-TiC-based cermets
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NSTL
Elsevier
TiB_2-TiC-based cermets are expected to replace cemented carbide in the cutting and finishing of ferrous alloys, steel, aluminum, copper, and other nonferrous metals owing to their excellent wear resistance and cutting performance. In this study, the tribological behaviors and wear mechanisms of TiB2-TiC-based cermets with different WC contents were investigated by sliding the specimens against a cemented carbide ball. As the WC content of the TiB_2-TiC-based cermets increased from 0 to 25 wt%, the wear rate and friction coefficient first increased and then decreased. Cyclical changes were observed in fatigue, adhesive, and abrasive wear. Explanatory mechanisms were proposed for these phenomena. This is the first comprehensive study on the effect of the WC content on the tribological properties of these important composites.
Tribological behaviorFriction and wearCermetTiB_2TiC-Composite
Ning Wu、Fengdan Xue、Jiayi He、Chen Wang、Jing Lu、Haojun Zhou、Yimin Li、Fenghua Luo
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State Key Laboratory of Powder Metallurgy, Central South University
NSTL
Elsevier
