Analysis of the grinding wheel wear in dependency of the cemented carbide specification

Abstract

Cemented carbides are brittle-hard materials. Their properties are adjusted by the chemical composition, especially the binder fraction and the average hard phase grain size. This research work focuses on grinding of cemented carbides with tungsten carbide (WC) as hard phase and cobalt (Co) as binder phase material. Previous work showed that the WC-Co cemented carbide specification influences the grinding behavior. This study focuses on the influence of the cemented carbide specification on the grinding wheel wear. For this purpose, grinding tests were carried out with cemented carbides that differ in cobalt content and average WC grain size. Based on the thermo-mechanical load collective and the grinding wheel wear, conclusions were drawn about the influence of the cemented carbide specification on the wear behavior of the grinding wheel and the wear mechanisms.