NICKEL-BASED SUPERALLOY AND POWDER THEREOF, AND NICKEL-BASED SUPERALLOY MOLDED ARTICLE MANUFACTURING METHOD

• Main Authors: MINAGAWA Kazumi, KITASHIMA Tomonori, DEMURA Masahiko, NAKANO Takayoshi, MINAMOTO Satoshi, WATANABE Makoto, HIRAGA Tomoki, KITANO Houichi, IGASHIRA Kenichiro, AZUMA Makoto, KUSANO Masahiro, HIBINO Shinya, FUJIMITSU Kazushige, KAWAGISHI Kyoko
• Format: Patent
• Language: English; French; Japanese
• Published: 02.03.2023
• Subjects: 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; CASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WORKING METALLIC POWDER

A nickel-based superalloy according to one aspect of the present invention contains, in mass percentage, 4.8-5.1% of Al, 1.4-1.7% of Ti, 14.2-19.2% of Cr, 4.5-12.4% of Co, 0.7-1.5% of Ta, 2.8-5.3% of W, 0-4.1% of Mo, 0-0.04% of Zr, and 0.024-0.15% of C, the remaining portion being Ni and unavoidable impurities. Un superalliage à base de nickel selon un aspect de la présente invention contient, en pourcentage en masse, 4,8 à 5,1 % d'Al, 1,4 à 1,7 % de Ti, 14,2 à 19,2 % de Cr, 4,5-12,4 % de Co, 0,7 à 1,5 % de Ta, 2,8 à 5,3 % de W, 0 à 4,1 % de Mo, 0 à 0,04 % de Zr et 0,024 à 0,15 % de C, la partie restante étant du Ni et des impuretés inévitables. 本発明の一側面は、質量百分率で、４．８％以上５．１％以下のＡｌ、１．４％以上１．７％以下のＴｉ、１４．２％以上１９．２％以下のＣｒ、４．５％以上１２．４％以下のＣｏ、０．７％以上１．５％以下のＴａ、２．８％以上５．３％以下のＷ、０％以上４．１％以下のＭｏ、０％以上０．０４％以下のＺｒ、０．０２４％以上０．１５％以下のＣ、並びに残部Ｎｉ及び不可避不純物からなるニッケル基超合金である。