METHOD FOR MANUFACTURING HIGH-STRENGTH CARBURIZED COMPONENT

PROBLEM TO BE SOLVED: To manufacture a carburized component wherein crystal grains are made fine to have excellent impact strength and bending strength that can not be expected until now. SOLUTION: A steel for machine structure containing, by mass, 0.10-0.45% C, 0.05-2.00% Si, 0.10-2.00% Mn, ≤0.030%...

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Bibliographische Detailangaben
1. Verfasser:	NISHIKAWA MOTOHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To manufacture a carburized component wherein crystal grains are made fine to have excellent impact strength and bending strength that can not be expected until now. SOLUTION: A steel for machine structure containing, by mass, 0.10-0.45% C, 0.05-2.00% Si, 0.10-2.00% Mn, ≤0.030% P, ≤0.20% S, 0.30-3.0% Cr, ≤0.30% Cu, 0.001-0.10% Al, 0.001-0.10% Al, 0.01-0.03% N and the balance Fe with inevitable impurities, is formed into the component-shape with a machining or a forging, and then a vacuum-carburization-quenching is performed and thereafter high-frequency induction hardening is applied one or more times, and then the component is tempered to manufacture the carbonized component, thus the carburized component excellent in the impact strength and the bending strength is manufactured. COPYRIGHT: (C)2010,JPO&INPIT