SURFACE TREATMENT FOR STEEL MEMBER

PURPOSE:To easily uniformize the thickness of a nitride surface layer and to improve wear resistance and corrosion resistance by grinding the surface of an alloy steel member to specific roughness, forming a nitride surface layer by means of heat treatment and applying mechanical polishing to the ab...

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Bibliographische Detailangaben
Hauptverfasser:	KANARI TOSHIYO, ISOBE TETSUO, KUSHIDA MASAYO, TABEI YUKIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PURPOSE:To easily uniformize the thickness of a nitride surface layer and to improve wear resistance and corrosion resistance by grinding the surface of an alloy steel member to specific roughness, forming a nitride surface layer by means of heat treatment and applying mechanical polishing to the above surface. CONSTITUTION:Grinding is previously applied to the surface 12a of a base material 12 of an alloy steel rod member 11. At this time, working is performed so that the surface roughness of this surface 12a is regulated to