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    Cast nickel-base alloys including iron
    1.
    发明授权
    Cast nickel-base alloys including iron 有权

    公开(公告)号：US10266926B2

    公开(公告)日：2019-04-23

    申请号：US13868481

    申请日：2013-04-23

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Ganjiang Feng ,  Jon Conrad Schaeffer ,  Michael Douglas Arnett

    IPC: C22C19/05 ,  C22C30/00

    Abstract: A cast nickel-base superalloy that includes iron added substitutionally for nickel. The cast nickel base superalloy comprises, in weight percent about 1-6% iron, about 7.5-19.1% cobalt, about 7-22.5% chromium, about 1.2-6.2% aluminum, optionally up to about 5% titanium, optionally up to about 6.5% tantalum, optionally up to about 1% Nb, about 2-6% W, optionally up to about 3% Re, optionally up to about 4% Mo, about 0.05-0.18% C, optionally up to about 0.15% Hf, about 0.004-0.015 B, optionally up to about 0.1% Zr, and the balance Ni and incidental impurities. The superalloy is characterized by a γ′ solvus temperature that is within 5% of the γ′ solvus temperature of the superalloy that does not include 1-6% Fe and a mole fraction of γ′ that is within 15% of the mole fraction of the superalloy that does not include 1-6% Fe.

    Casting method, cast article and casting system
    3.
    发明授权
    Casting method, cast article and casting system 有权

    公开(公告)号：US09656321B2

    公开(公告)日：2017-05-23

    申请号：US13894496

    申请日：2013-05-15

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Yan Cui ,  Dechao Lin ,  Ganjiang Feng ,  Srikanth Chandrudu Kottilingam

    IPC: B22D19/16 ,  B22D21/02 ,  C22C19/05

    CPC classification number: B22D19/16 ,  B22D21/025 ,  C22C19/056 ,  C22C19/057 ,  Y10T428/24992

    Abstract: A casting method, cast article and casting system are disclosed. The casting method includes providing a base material in a mold, directing a fluid material into the mold, and solidifying the base material and the fluid material to form a cast article. The base material has a first density and first composition. The fluid material has a second density and a second composition. The first density differs from the second density, the first composition differs from the second composition, or the first density differs from the second density and the first composition differs from the second composition. The cast article includes a first material solidification from the base material, and a second material solidification from the fluid material. The casting system includes a mold for containing a base material and an input configuration, with flow control feature, for directing a fluid material into the mold containing the base material.

    ARTICLE FOR USE IN HIGH STRESS ENVIRONMENTS HAVING MULTIPLE GRAIN STRUCTURES
    4.
    发明申请
    ARTICLE FOR USE IN HIGH STRESS ENVIRONMENTS HAVING MULTIPLE GRAIN STRUCTURES 审中-公开
    用于具有多种颗粒结构的高应力环境中的文章

    公开(公告)号：US20150275677A1

    公开(公告)日：2015-10-01

    申请号：US14669008

    申请日：2015-03-26

    Applicant: General Electric Company

    Inventor： Yan Cui ,  Ganjiang Feng ,  Srikanth Chandrudu Kottilingam ,  Matthew Joseph Laylock ,  Dechao Lin

    IPC: F01D5/28 ,  B22D21/02 ,  C22C19/05 ,  B22D27/04

    CPC classification number: F01D5/28 ,  B22D21/025 ,  B22D27/045 ,  B22D30/00 ,  C22C19/057 ,  F01D5/12 ,  F01D5/14 ,  F01D9/02 ,  F05D2230/21 ,  Y02T50/671

    Abstract: A method of forming an article can comprise heating a metal to form a molten metal having a metal temperature; heating a mold to a mold temperature greater than or equal to the metal temperature; introducing the molten metal to the mold; cooling a first portion of the molten metal while maintaining a second portion of the molten metal at the metal temperature, wherein the first portion has a first side and a second side, wherein the second side is opposite the first side and adjacent to the second portion, and wherein the cooling comprises progressively cooling the first portion from the first side to the second side such that a solidification interface progresses from the first side to the second side; and cooling the remainder of the molten metal from multiple directions after the first portion is cooled to less than or equal to a crystallization temperature.

    Abstract translation: 形成制品的方法可以包括加热金属以形成具有金属温度的熔融金属; 将模具加热到大于或等于金属温度的模具温度; 将熔融金属引入模具中; 冷却熔融金属的第一部分，同时保持熔融金属的第二部分处于金属温度，其中第一部分具有第一侧和第二侧，其中第二侧与第一侧相对并且与第二部分相邻 并且其中所述冷却包括从所述第一侧向所述第二侧逐渐冷却所述第一部分，使得凝固界面从所述第一侧向所述第二侧延伸; 在将第一部分冷却至小于或等于结晶温度之后，从多个方向冷却剩余的熔融金属。

    Article and method for forming an article
    8.
    发明授权
    Article and method for forming an article 有权
    制品的制作方法

    公开(公告)号：US09404388B2

    公开(公告)日：2016-08-02

    申请号：US14193576

    申请日：2014-02-28

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Ganjiang Feng ,  Mark R. Brown ,  Michael Douglas Arnett ,  Matthew J. Laylock

    IPC: C22C19/05 ,  B22D21/00 ,  F01D25/00 ,  C22F1/10 ,  B22D27/04 ,  B22D7/00 ,  F01D5/28 ,  C22C19/00

    CPC classification number: F01D25/005 ,  B22D7/005 ,  B22D21/005 ,  B22D27/045 ,  C22C19/056 ,  C22F1/10 ,  F01D5/28

    Abstract: An article and a method for forming the article are disclosed. The article comprising a composition, wherein the composition comprises, by weight percent, about 13.7% to about 14.3% chromium (Cr), about 9.0% to about 10.0% cobalt (Co), about 3.5% to about 3.9% aluminum (Al), about 3.4% to about 3.8% titanium (Ti), about 4.0% to about 4.4% tungsten (W), about 1.4% to about 1.7% molybdenum (Mo), about 1.55% to about 1.75% niobium (Nb), about 0.08% to about 0.12% carbon (C), about 0.005% to about 0.040% zirconium (Zr), about 0.010% to about 0.014% boron (B), and balance nickel (Ni) and incidental impurities. The composition is substantially free of tantalum (Ta) and includes a microstructure substantially devoid of Eta phase.

    Abstract translation: 公开了一种用于形成物品的制品和方法。 所述制品包含组合物，其中所述组合物包含按重量计约13.7％至约14.3％的铬（Cr），约9.0％至约10.0％的钴（Co），约3.5％至约3.9％的铝（Al） ，约3.4％至约3.8％的钛（Ti），约4.0％至约4.4％的钨（W），约1.4％至约1.7％的钼（Mo），约1.55％至约1.75％的铌（Nb） 约0.08％至约0.12％的碳（C），约0.005％至约0.040％的锆（Zr），约0.010％至约0.014％的硼（B），余量为镍（Ni）和附带的杂质。 组合物基本上不含钽（Ta），并且包括基本上不含Eta相的微结构。

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