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The functions to evaluate the machinability of ceramics in grinding, honing and superfinishing are derived theoretically, assuming that one stone (wheel) corresponds to a single point tool with a long cutting edge. The dimensional analysis is employed to investigate the effect of physical properties of the ceramic material on its machinability. Work materials used in experiments are Al2O3, SiC, Si3N4, ZrO2 which are sintered under atmospheric pressure, Mn-Zn ferrite and SiO2. The main results are as follows. The machinability of the ceramic material depends on not only its physical properties but also the method of machining. For the work materials of Al2O3 and SiO2, the honing is superior in cutting ability to the grinding. In grinding and superfinishing the strong relation is observed between the energy release rate of the ceramic and its machinability, but in honing it is observed between the hardness of the ceramic and its machinability

Evaluation of Machinability of Ceramics in Grinding, Honing and Superfinishing.