Abstract
In the past many scientists investigated the heat dissipation in grinding and the resulting influences on the surface integrity of the workpieces. Under abusive grinding conditions the formation of a heat-affected zone was observed which damaged the ground surface of hardened steels. The aim of this paper is to introduce a new surface heat treatment process, namely by making use of the heat flux generated in grinding. In this case the grinding conditions have to be optimized to induce martensitic phase transformations in the surface layers of annealed or tempered steels, such as it is achieved by other surface strengthening processes. The fundamentals of this new heat treatment method called grind-hardening are given in this paper.
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