PROCESS FOR PRODUCING HEAT RESISTANT MEMBER MADE OF NICKEL-BASED ALLOY OR IRON-BASED ALLOY

To provide a process for producing a heat-resistant member made of nickel-based alloy or iron-based alloy that has a significantly improved thermal fatigue resistance compared to conventional ones.SOLUTION: The process for producing a heat-resistant member made of a nickel-based alloy or iron-based alloy of the present invention includes: a mechanical property improving agent addition step 1 in which a metal powder for improving mechanical properties of the final product heat-resistant member is mixed into a powder made of nickel-based alloy or iron-based alloy; a molding step 2 in which an alloy powder mixed with a metal powder in the mechanical property improving agent addition step 1 is molded; and a sintering step 3 in which a compact molded in the molding step 2 is sintered to yield a 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、ニッケル基合金製もしくは鉄基合金の粉末に、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の粉末を混合する機械特性向上剤添加工程１と、機械特性向上剤添加工程１にて金属の粉末が混合された合金の粉末を成形する成形工程２と、成形工程２で成形された成形体を焼結し、耐熱部材とする焼結工程３と、を備えることを特徴とする。【選択図】図１