部分安定化ジルコニアセラミック工具の性能

概要

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Surface roughness and tool wear was investigated when low-carbon resulfurized free machining steel was cut by means of either plunge-machining or ordinary turning with a partially stabilized zirconia ceramic tool (PSZ). Moreover, the cutting performance of the PSZ tool was compared with that of some conventional tools. (1) Small amount of manganese sulfide inclusions in steel has trends toward to adhesion to the PSZ tool, resulting in the formation of MnS layer on the tool with a thickness of 2-3 μm. (2) The MnS layer seems to have a roll of a kind of lubricant, and restricts the formation of built-up edge and wearing the tool. (3) The performance of the PSZ tool is superior to both a high-speed steel tool and a sintered carbide tool with respect to surface roughness and tool wear.
公益社団法人精密工学会の論文
1990-10-05