METHOD FOR MANUFACTURING HIGH-STRENGTH CARBURIZED COMPONENT

PROBLEM TO BE SOLVED: To manufacture a carburized component having excellent impact strength and bending strength which have not been obtained heretofore by performing carburizing and quenching, also refining crystal grains, and removing a carburized abnormal layer on the surface. SOLUTION: A steel...

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1. Verfasser:	NISHIKAWA MOTOHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING 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 ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GEARING GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To manufacture a carburized component having excellent impact strength and bending strength which have not been obtained heretofore by performing carburizing and quenching, also refining crystal grains, and removing a carburized abnormal layer on the surface. SOLUTION: A steel having a composition comprising, by mass, 0.10-0.45% C, 0.05-2.0% Si, 0.10-2.0% Mn, ≤0.030% P, ≤0.20% S, 0.3-3.0% Cr, ≤0.30% Cu, 0.001-0.1% Al,