Abstract
WC cemented carbide are used as many dies to improve abration resistance. Mechanical properties of the cemented carbide were influenced by Co content and WC grain size. In this study, effects of Co content and WC grain size of WC cemented carbide on wear were examied. We prepared 13 cemented carbides with different Co content and WC grain size. Wear test was carried out against S45C under dry condition at 98N and 232mm/s. From the results. We found that wear increased with both Co content and WC grain size. However, specific wear rate was range 10^<-7>mm^3/Nm.
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