STEEL ARTICLE WEAR RESISTANCE INCREASING METHOD

FIELD: processes providing increased wear resistance of steel articles surfaces due to changing composition and structure of their surface layers, possibly manufacture of cutting and die tools, articles operating in condition of abrasive wear, dry friction at high contact stresses. ^ SUBSTANCE: meth...

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Hauptverfasser:	SOKOLOV ALEKSANDR GRIGOR'EVICH, ARTEM'EV VLADIMIR PETROVICH
Format:	Patent
Sprache:	eng ; rus
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:	FIELD: processes providing increased wear resistance of steel articles surfaces due to changing composition and structure of their surface layers, possibly manufacture of cutting and die tools, articles operating in condition of abrasive wear, dry friction at high contact stresses. ^ SUBSTANCE: method comprises steps of short-duration high temperature case hardening; further diffusion saturation of steel article surfaces with carbide forming elements. Case hardening is performed at temperature 950 - 1050°C for 20 - 30 min. ^ EFFECT: improved wear resistance of steel articles subjected to mechanical loads at operation. ^ 1 ex