The Mechanism of Crater Wear of Cemented Carbide Tools

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Abstract
This paper presents an analysis of tool-wear data in terms of fundamental variables consistent with the nature of the contact and rubbing of clean metallic surfaces. Wear of cemented-carbide tools on the top surface is examined in the light of the mechanism of frictional wear as proposed originally by Holm and recently as modified by Burwell, Strang, and Archard. It has been found that wear at the top surface is essentially of the transfer type and that the formation of crater wear is strongly temperature-dependent. For a given tool-work combination, the top face wear can be correlated with tool-chip interface temperature in a manner predictable from the simple laws of adhesion wear in combination with the theory of rate process.

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