Al2O3-TiCセラミックス工具による鋳鉄,鋼の高速切削

概要

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The cutting performance under the high cutting speed (300-600m/min) by use of Al2O3-(10-50)mass%TiC ceramics tools was studied for gray cast iron (FC35) and carbon steel (S48C), comparing with that of Al2O3-15mass %ZrO2 ceramics tool. It was found that the flank wear of Al2O3-TiC ceramics tools in turning tests for FC35 increased with increasing titanium carbide content and decreased with increasing cutting speed; on the other hand, the wear in the tests for carbon steel increased with increasing titanium carbide content and with cutting speed. It was also found that the wear of Al2O3-ZrO2 ceramics tool was nearly the same as that of Al2O3-10%TiC ceramics tool. The above interesting phenomena were discussed.
社団法人粉体粉末冶金協会の論文