Abstract

Summary High speed face milling for plain carbon steel S45C was carried out with ceramic tools. Pure alumina. T/C added alumina, and Zirconia toughened alumina ceramic tools were mainly used. Among the tested ceramic tools, the zirconia toughened alumina ceramic tool! showed the largest crater wear resistance in high speed face billing. However, in turning the same steel, the crater wear resistance of the ceramic tool was almost the same degree as compared to the other ceramic tools. The superior wear resistance of the zirconia toughered alumina ceramic tool is based on its stability for the reaction to Fe0 at high temperature.

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