Results of a study of the possibility of using some tungsten-free ceramic materials based on borides, oxides, and nitrides for the finishing treatment of precision parts of fuel equipment are considered. The materials were estimated with respect to the rate of removal of the metal of the part, the wear of the lap per one part, its life before regrinding, and the roughness of the surface of the part after finishing. The effect of the grain size, the ultimate bending strength, the porosity, and the hardness of the material on the service characteristics of the laps is described. It is shown that ceramic materials can be used for fabricating the functional parts of laps for finishing precision parts of fuel equipment.
Refractories and Industrial Ceramics – Springer Journals
Published: Aug 26, 2007
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