Hard coating and hard coating coated metal working tool for the machining tool
2013
It provides excellent wear resistance and welding resistance and smoothness and machining tool for hard coating that combines. According to the hard coating 30 which is secured to the rolling tap 10 of the present embodiment, oxycarbide of TiCrMoWV that a phase having a NaCl-type crystal structure as a main phase, an oxynitride, or oxycarbonitride nitrides, oxygen since it has the following microcrystals 100nm by introduction, the low coefficient of friction surface of the hard coating becomes extremely smooth is obtained, it is possible to combine the wear resistance and welding resistance and smoothness, abrasion resistance because and low coefficient of friction is low and excellent in smoothness in addition to welding resistance, tool life is prolonged.
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