Evaluation of Tribo-characteristics of DLC Hard Coating by Strip-ironing Type Tribo-simulator

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  • 608 しごき形摩擦試験機によるDLC被膜のトライボ特性評価(OS 塑性加工(2))


To investigate possibility of application of DLC hard coating to plastic forming die, tribo- characteristics are evaluated by strip-ironing type tribo-simulator. Tool materials are die steel (SKD11l) and HSS. Workpieces are High-strength steel and Brass. Friction coefficients are evaluated by comparison with die steel and CrN hard coating. A change of tribo-characteristics of DLC hard coating by the number of strip-ironing process is evaluated by friction coefficient, tool surface appearance and workpiece surface roughness.


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