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    • 2. 发明申请
    • PROCEDE DE FABRICATION D'UNE PIECE EN SUPERALLIAGE A BASE DE NICKEL, ET PIECE AINSI OBTENUE
    • 一种基于镍和相关物料的超级合金制造方法
    • WO2010089516A2
    • 2010-08-12
    • PCT/FR2010/050191
    • 2010-02-05
    • AUBERT & DUVALTURBOMECASNECMADEVAUX, Alexandre
    • DEVAUX, Alexandre
    • C22F1/10C22C19/03C22C19/05
    • C22F1/10C22C19/03C22C19/055
    • Procédé de fabrication d'une ébauche de pièce en superalliage à base de Ni, selon lequel on élabore un alliage, et on réalise des traitements thermiques, caractérisé en ce que : ledit superalliage contient au moins 2,5% au total de Nb et de Ta; on effectue un traitement thermique, comportant une pluralité de paliers : un premier palier entre 850 et 10000C pendant au moins 20 minutes pour précipiter de la phase δ aux joints de grains; un deuxième palier à une température supérieure à celle du premier palier et permettant de réaliser une dissolution partielle de la phase δ obtenue lors du premier palier; un traitement de vieillissement comportant un troisième palier et éventuellement un ou des paliers supplémentaires, à une température inférieure à celle du premier palier et permettant de faire précipiter les phases durcissantes γ' et γ". Pièce ainsi obtenue.
    • 本发明涉及一种用于制备由基于Ni的超级合金制成的片坯的方法,其中制备合金并进行热处理,其特征在于:所述超级合金含有至少2.5%的Nb和 Ta,在多个步骤中进行热处理,第一步骤在850℃和100℃之间至少20分钟以使相位d沉淀在晶粒接头上,第二步在高于第一步骤的温度 允许在第一步骤中获得的相位d的部分溶解,包括第三步骤的时效处理和任选的一个或多个辅助步骤,其温度高于第一步骤,并允许硬化阶段α'析出。 和?“。本发明还涉及相应的部件。
    • 3. 发明申请
    • PROCESS FOR PREPARING A NICKEL-BASED SUPERALLOY PART AND PART THUS PREPARED
    • 制备基于镍的超级部件和制备的部分的方法
    • WO2010023210A1
    • 2010-03-04
    • PCT/EP2009/060954
    • 2009-08-25
    • AUBERT & DUVALRAISSON, GérardPICQUE, BenjaminCAUVIN, Dominique
    • RAISSON, GérardPICQUE, BenjaminCAUVIN, Dominique
    • C22C1/04
    • C22C1/0433B22F3/17B22F5/009B22F2003/175B22F2998/10B22F9/082B22F3/15
    • Process for preparing a nickel-based superalloy part by powder metallurgy: - manufacture of a superalloy with the composition 18 % ≤ Cr ≤ 24 %; 6 % ≤ Mo ≤ 10 %; 2.5 % ≤ Nb ≤ 5 %; traces ≤ Fe ≤ 10 %; traces ≤ Al ≤ 1 %; 0.5 % ≤ Ti ≤ 2.5 %; traces ≤ B ≤ 0,01 %; traces ≤ Mn ≤ 0.35 %; traces ≤ Si ≤ 0.2 %; traces ≤ C ≤ 0.05 %; traces ≤ Co ≤ 2 %; traces ≤ Ta ≤ 0.5 %; traces ≤ Mg ≤ 0.05 %; traces ≤ P ≤ 0.015 %; traces ≤ S ≤ 0.01 %; the rest being nickel and impurities; - atomisation of a molten mass of said superalloy in order to obtain a powder; - screening of said powder; - introduction of the powder into a container; - closure of and application of a vacuum to the container; - densification of the powder and the container by pressurizing them both in order to obtain an ingot or a billet; - hot forming of said ingot or said billet; The densification process is carried out at 500 to 1500 bar, at a temperature at which the fraction by volume of liquid phase in the superalloy is between 0.5 and 10 %, the temperature and the pressure being maintained for 3 to 16 h, and the forging being carried out without intermediate heat treatment after the densification of the powder. A hot formed part thus produced.
    • 通过粉末冶金制备镍基超合金部件的方法: - 制备组合物18%= Cr = 24%的超级合金; 6%= Mo = 10%; 2.5%= Nb = 5%; 痕量= Fe = 10%; 痕量= Al = 1%; 0.5%= Ti = 2.5%; 痕量= B = 0.01%; 痕量= Mn = 0.35%; 痕量= Si = 0.2%; 痕量= C = 0.05% trace = Co = 2%; 痕量= Ta = 0.5% 痕量= Mg = 0.05% 痕量= P = 0.015%; 痕量= S = 0.01%; 其余为镍和杂质; - 所述超级合金的熔融物质的雾化,以获得粉末; - 筛选所述粉末; - 将粉末引入容器中; - 关闭并向容器施加真空; - 通过对粉末和容器进行加压来致密化以获得锭或坯料; - 所述锭或所述坯料的热成型; 致密化过程在500至1500巴下进行,在该温度下,超合金中的液相的体积分数为0.5-10%,温度和压力保持3至16小时,锻造 在粉末致密化之后进行中间热处理。 由此产生的热成型部分。
    • 7. 发明申请
    • METHOD FOR PRODUCING A PIECE MADE FROM A SUPERALLOY BASED ON NICKEL AND CORRESPONDING PIECE
    • 用镍制造由超合金制造的零件的方法及相应的零件
    • WO2010089516A3
    • 2010-10-21
    • PCT/FR2010050191
    • 2010-02-05
    • AUBERT & DUVAL SATURBOMECASNECMADEVAUX ALEXANDRE
    • DEVAUX ALEXANDRE
    • C22F1/10C22C19/03C22C19/05
    • C22F1/10C22C19/03C22C19/055
    • The invention relates to a method for producing a blank for a piece made from a superalloy based on Ni, wherein an alloy is produced and thermal treatments are carried out, characterised in that: said superalloy contains at least 2.5% of the total as Nb and Ta, a thermal treatment is carried out in a number of steps, a first step between 850 and 1,0000C for at least 20 minutes to precipitate the phase d on the grain joints, a second step at a temperature above that of the first step, permitting a partial dissolution of the phase d obtained in the first step, an aging treatment comprising a third step and optionally one or more supplementary steps at a temperature mower than that of the first step and which permit a precipitation of the hardening phases ?' and ?". The invention further relates to a corresponding piece.
    • 本发明涉及一种用于制造由基于Ni的高温合金制成的零件的坯料的方法,其中生产合金并进行热处理,其特征在于:所述高温合金含有总量的至少2.5%的Nb和 Ta,在多个步骤中进行热处理,在850-1,000℃之间的第一步至少20分钟以在晶粒接合点上沉淀相d,第二步在高于第一步的温度 ,允许在第一步骤中获得的相d的部分溶解,老化处理包括第三步骤和任选的一个或多个在第一步骤的温度割草机处的温度割草机的附加步骤,并且其允许硬化相γ' 和“。本发明还涉及相应的部件。