METHOD FOR MANUFACTURING HEAT RESISTANT MEMBER MADE OF NICKEL-BASED ALLOY OR IRON-BASED ALLOY

To manufacture a heat resistant member made of nickel-based alloy or iron-based alloy, having thermal fatigue resistance more remarkably improved than a conventional heat resistant member.SOLUTION: The method for manufacturing a heat resistant member made of nickel-based alloy or iron-based alloy co...

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Hauptverfasser:	KAGAWA KEIICHI, HAYASHIDA KUNIO, ODAKA NARIHISA, TANAKA YUSUKE, FUKUSHIMA YOSHITAKA, HASHIMOTO MUNETAKA, ISHIKAWA TAKEMASA, HIGAKI TADAHIRO, NISHIDA YASUHIRO, YASUI AKIHITO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING ALLOYS BLASTING CHEMISTRY COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Zusammenfassung:	To manufacture a heat resistant member made of nickel-based alloy or iron-based alloy, having thermal fatigue resistance more remarkably improved than a conventional heat resistant member.SOLUTION: The method for manufacturing a heat resistant member made of nickel-based alloy or iron-based alloy comprises: a preparation step of alloy powder having a mechanical property improver added, preparing nickel-based alloy powder containing a metal for improving mechanical property of a heat resistant member which is an end product, or an iron-based alloy powder containing a metal for improving mechanical property of a heat resistant member which is an end product; a molding step of molding the powder having the mechanical property improver added, prepared in the alloy powder preparation step; and a sintering step of sintering a molded member molded in the molding step to obtain the heat resistant member.SELECTED DRAWING: Figure 1 【課題】耐熱疲労性が従来のものより格段に向上したニッケル基合金製もしくは鉄基合金製の耐熱部材を製造する。【解決手段】本発明のニッケル基合金製もしくは鉄基合金製の耐熱部材の製造方法は、最終製品である耐熱部材の機械特性を向上させるための金属が含有されたニッケル基合金の粉末もしくは最終製品である耐熱部材の機械特性を向上させるための金属が含有された鉄基合金の粉末を用意する機械特性向上剤を添加した合金粉末準備工程と、前記機械特性向上剤を添加した合金粉末準備工程にて用意された粉末を成形する成形工程と、前記成形工程で成形された成形体を焼結し、前記耐熱部材とする焼結工程と、を備えることを特徴とする。【選択図】図１