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    Metal alloy compositions and articles comprising the same
    4.
    发明授权
    Metal alloy compositions and articles comprising the same 有权
    金属合金组合物及其制品

    公开(公告)号：US07846243B2

    公开(公告)日：2010-12-07

    申请号：US11621297

    申请日：2007-01-09

    Applicant: Canan Uslu Hardwicke ,  Ganjiang Feng ,  Warren Martin Miglietti

    Inventor： Canan Uslu Hardwicke ,  Ganjiang Feng ,  Warren Martin Miglietti

    IPC: C23C16/18 ,  C23C16/00 ,  C25D1/08

    CPC classification number: F01D5/288 ,  C22C19/055 ,  C22C19/056 ,  C22C19/07 ,  C22C30/00 ,  C23C4/073 ,  C23C30/00 ,  Y10T428/12472

    Abstract: Improved compositions are described for the protection of gas turbine parts at elevated temperatures. The compositions are of the MCrAlY type, wherein M is selected from nickel, or a combination of nickel with cobalt, iron, or combinations thereof. The compositions further comprise ruthenium, rhenium, or a combination thereof, a Group 4 metal (e.g., hafnium, zirconium, titanium), and can further include silicon and/or germanium, where the composition results in improved aluminum diffusion properties. Also disclosed herein are articles comprising the composition.

    Abstract translation: 描述了用于在升高的温度下保护燃气涡轮机部件的改进的组合物。 组合物是MCrAlY型，其中M选自镍，或镍与钴，铁或其组合的组合。 组合物还包含钌，铼或其组合，第4族金属（例如铪，锆，钛），并且还可以包括硅和/或锗，其中组合物导致改善的铝扩散性能。 本文还公开了包含该组合物的制品。

    Metal Alloy Compositions and Articles Comprising the Same
    5.
    发明申请
    Metal Alloy Compositions and Articles Comprising the Same 有权
    金属合金组成及其制品

    公开(公告)号：US20080163784A1

    公开(公告)日：2008-07-10

    申请号：US11621297

    申请日：2007-01-09

    Applicant: Canan Uslu Hardwicke ,  Ganjiang Feng ,  Warren Martin Miglietti

    Inventor： Canan Uslu Hardwicke ,  Ganjiang Feng ,  Warren Martin Miglietti

    IPC: C09D5/00

    CPC classification number: F01D5/288 ,  C22C19/055 ,  C22C19/056 ,  C22C19/07 ,  C22C30/00 ,  C23C4/073 ,  C23C30/00 ,  Y10T428/12472

    Abstract: Improved compositions are described for the protection of gas turbine parts at elevated temperatures. The compositions are of the MCrAlY type, wherein M is selected from nickel, or a combination of nickel with cobalt, iron, or combinations thereof. The compositions further comprise ruthenium, rhenium, or a combination thereof, a Group 4 metal (e.g., hafnium, zirconium, titanium), and can further include silicon and/or germanium, where the composition results in improved aluminum diffusion properties. Also disclosed herein are articles comprising the composition.

    Abstract translation: 描述了用于在升高的温度下保护燃气涡轮机部件的改进的组合物。 组合物是MCrAlY型，其中M选自镍，或镍与钴，铁或其组合的组合。 组合物还包含钌，铼或其组合，第4族金属（例如铪，锆，钛），并且还可以包括硅和/或锗，其中组合物导致改善的铝扩散性能。 本文还公开了包含该组合物的制品。

    NICKEL-BASE ALLOY
    7.
    发明申请
    NICKEL-BASE ALLOY 审中-公开
    镍基合金

    公开(公告)号：US20120282086A1

    公开(公告)日：2012-11-08

    申请号：US13100441

    申请日：2011-05-04

    Applicant: Ganjiang Feng ,  Jon Conrad Schaeffer ,  Stephen Joseph Balsone ,  Hariharan Sundaram ,  Sundar Amancherla ,  Gitahi Charles Mukira

    Inventor： Ganjiang Feng ,  Jon Conrad Schaeffer ,  Stephen Joseph Balsone ,  Hariharan Sundaram ,  Sundar Amancherla ,  Gitahi Charles Mukira

    IPC: F01D9/02 ,  C22C19/05

    CPC classification number: C22C19/056 ,  C22C19/05 ,  F01D5/28 ,  F05D2300/607

    Abstract: The invention is a class of nickel-base alloys for gas turbine applications, comprising, by weight, about 13.7 to about 14.3 percent chromium, about 5.0 to about 10.0 percent cobalt, about 3.5 to about 5.2 percent tungsten, about 2.8 to about 5.2 percent titanium, about 2.8 to about 4.6 percent aluminum, about 0.0 to about 3.5 percent tantalum, about 1.0 to about 1.7 percent molybdenum, about 0.08 to about 0.13 percent carbon, about 0.005 to about 0.02 percent boron, about 0.0 to about 1.5 percent niobium, about 0.0 to about 2.5 percent hafnium, about 0.0 to about 0.04 percent zirconium, and the balance substantially nickel. The nickel-base alloys may be provided in the form of useful articles of manufacture, and which possess a unique combination of mechanical properties, microstructural stability, resistance to localized pitting and hot corrosion in high temperature corrosive environments, and high yields during the initial forming process as well as post-forming manufacturing and repair processes.

    Abstract translation: 本发明是一类用于燃气轮机应用的镍基合金，其重量包含约13.7-约14.3％的铬，约5.0-约10.0％的钴，约3.5-约5.2％的钨，约2.8-约5.2％ 钛，约0.08至约4.6％的铝，约0.0至约3.5％的钽，约1.0至约1.7％的钼，约0.08至约0.13％的碳，约0.005至约0.02％的硼，约0.0至约1.5％的铌， 约0.0至约2.5％的铪，约0.0至约0.04％的锆，余量基本上为镍。 镍基合金可以以有用的制品形式提供，并且具有机械性能，微结构稳定性，耐高温腐蚀性环境中的局部点蚀和热腐蚀的独特组合，以及在初始成型期间的高产率 过程以及后成型制造和维修过程。

    Machine components and methods of fabricating
    8.
    发明授权
    Machine components and methods of fabricating 有权
    机械部件和制造方法

    公开(公告)号：US07842402B2

    公开(公告)日：2010-11-30

    申请号：US11395633

    申请日：2006-03-31

    Applicant: Ganjiang Feng ,  Paul S. Dimascio ,  Jon C. Schaeffer

    Inventor： Ganjiang Feng ,  Paul S. Dimascio ,  Jon C. Schaeffer

    IPC: B32B15/04

    CPC classification number: F01D5/288 ,  C23C4/073 ,  C23C4/11 ,  C23C4/129 ,  C23C4/18 ,  C23C30/00 ,  F05D2230/311 ,  F05D2300/611 ,  Y10T428/12493 ,  Y10T428/12611 ,  Y10T428/12944 ,  Y10T428/31678

    Abstract: A thermal barrier coating (TBC) system is provided. The system includes at least one thermal barrier coating (TBC) bond coat layer formed over a substrate surface region. The TBC bond coat layer includes at least one TBC bond coat material. The TBC bond coat material is a nickel-chromium-aluminum-yttrium (NiCrAlY) composition that also includes silicon (Si), hafnium (Hf) and less than 10 weight percent (wt %) cobalt (Co). The TBC system further includes at least one top coat layer formed over the TBC bond coat layer.

    Abstract translation: 提供了一种隔热涂层（TBC）系统。 该系统包括在衬底表面区域上形成的至少一个热障涂层（TBC）粘合涂层。 TBC粘合涂层包括至少一种TBC粘结涂层材料。 TBC粘合涂层材料是还包括硅（Si），铪（Hf）和小于10重量％（重量％）钴（Co）的镍 - 铬 - 铝 - 钇（NiCrAlY）组合物。 TBC系统还包括形成在TBC粘结涂层上的至少一个顶涂层。

    PROCESS FOR FORMING A CHROMIUM DIFFUSION PORTION AND ARTICLES MADE THEREFROM
    10.
    发明申请
    PROCESS FOR FORMING A CHROMIUM DIFFUSION PORTION AND ARTICLES MADE THEREFROM 有权
    形成铬扩散部分的方法及其制造方法

    公开(公告)号：US20080245445A1

    公开(公告)日：2008-10-09

    申请号：US11696385

    申请日：2007-04-04

    Applicant: David Andrew Helmick ,  Dennis William Cavanaugh ,  Ganjiang Feng ,  David Vincent Bucci

    Inventor： David Andrew Helmick ,  Dennis William Cavanaugh ,  Ganjiang Feng ,  David Vincent Bucci

    IPC: C23C10/26 ,  C22C27/06

    CPC classification number: C23C10/26 ,  Y10T428/12458

    Abstract: In one embodiment, a method for forming an article with a diffusion portion comprises: forming a slurry comprising chromium and silicon, applying the slurry to the article, and heating the article to a sufficient temperature and for a sufficient period of time to diffuse chromium and silicon into the article and form a diffusion portion comprising silicon and a microstructure comprising α-chromium. In one embodiment, a gas turbine component comprises: a superalloy and a diffusion portion having a depth of less than or equal to 60 μm measured from the superalloy surface into the gas turbine component. The diffusion portion has a diffusion surface having a microstructure comprising greater than or equal to 40% by volume α-chromium.

    Abstract translation: 在一个实施方案中，用于形成具有扩散部分的制品的方法包括：形成包含铬和硅的浆料，将浆料施加到制品上，并将制品加热至足够的时间以扩散铬和 硅制成制品并形成包含硅和包含α-铬的微结构的扩散部分。 在一个实施例中，燃气轮机部件包括：超高合金和从超合金表面测量到燃气轮机部件中的深度小于或等于60μm的扩散部分。 扩散部分具有包含大于或等于40体积％的α-铬的微结构的扩散表面。

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