METHOD FOR HEATING COMPONENT MADE OF HIGH ALLOY STEEL

To provide a method for heating a component made of high alloy steel, capable of forming carbide in the inside of the component when vacuum carburizing the component made of high alloy steel, such as die steel in a reduced pressure atmosphere to enhance the internal hardness of the component.SOLUTIO...

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Bibliographische Detailangaben
Hauptverfasser:	SONOBE MASARU, MIYAKOSHI NOBORU
Format:	Patent
Sprache:	eng ; jpn
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 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
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Beschreibung
Zusammenfassung:	To provide a method for heating a component made of high alloy steel, capable of forming carbide in the inside of the component when vacuum carburizing the component made of high alloy steel, such as die steel in a reduced pressure atmosphere to enhance the internal hardness of the component.SOLUTION: The method for heating a component made of high alloy steel comprises: the first step of heating the component made of high alloy steel at a temperature equal to or more than an austenitizing temperature; the second step of cooling the component made of high alloy steel using a cooling gas; and the third step of carburizing the component made of high alloy steel in a reduced pressure atmosphere.SELECTED DRAWING: None 【課題】ダイス鋼等の高合金鋼製部品に対して、減圧雰囲気下での真空浸炭処理を行う場合に部品の内部に炭化物を形成し、部品の内部硬さを上昇させる高合金鋼製部品の熱処理方法を提供する。【解決手段】高合金鋼製部品をオーステナイト化温度以上に加熱する第１工程、第１工程後に冷却ガスを用いて高合金鋼製部品を冷却する第２工程、第２工程後に減圧雰囲気下で高合金鋼製部品を浸炭処理する第３工程、の順序で構成される熱処理方法とする。【選択図】なし