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    Hybrid high temperature articles and method of making
    3.
    发明申请
    Hybrid high temperature articles and method of making 有权
    混合高温物品及其制作方法

    公开(公告)号：US20030175122A1

    公开(公告)日：2003-09-18

    申请号：US10063091

    申请日：2002-03-18

    Applicant: General Electric Company

    Inventor： Ji-Cheng Zhao ,  Liang Jiang ,  Melvin Robert Jackson ,  Ramgopal Darolia ,  Robert Edward Schafrik

    IPC: F01D005/28

    CPC classification number: F01D5/18 ,  F01D5/14 ,  F01D5/28 ,  F05D2300/143 ,  Y02T50/67 ,  Y02T50/672 ,  Y02T50/676

    Abstract: An article for use in a hot gas path of a gas turbine assembly, a metallic skin for such an article, and a method for making such an article are presented with, for example, the article comprising a spar, the spar providing mechanical support for the article and comprising a cooling fluid delivery system, a top end, and a bottom end; a standoff structure attached to the spar, the standoff structure comprising a plurality of spacing elements in a spaced-apart relation to each other, the spacing elements having first ends adjacent to the spar and second ends opposite to the first ends; a skin conformally surrounding the spar and the standoff structure, the skin comprising a top end and a bottom end, wherein the standoff structure separates the spar and the skin, wherein the plurality of spacing elements is disposed with an inner surface of the skin adjacent to the second ends of the spacing elements to form a plurality of plena between the spar and the skin, the plena in fluid communication with the cooling fluid delivery system, the skin comprising at least one metal selected from the group consisting of Rh, Pd, and Pt; and a base connecting the bottom end of the spar and the bottom end of the skin.

    Abstract translation: 用于燃气轮机组件的热气体路径的物品，这种物品的金属表皮以及制造这种物品的方法具有例如包括翼梁的物品，所述翼梁提供机械支撑 所述制品包括冷却流体输送系统，顶端和底端; 所述隔离结构附接到所述翼梁，所述间隔结构包括彼此间隔开的关系的多个间隔元件，所述间隔元件具有与所述翼梁相邻的第一端和与所述第一端相对的第二端; 皮肤保形地围绕所述翼梁和所述支架结构，所述皮肤包括顶端和底端，其中所述支座结构分离所述翼梁和所述皮肤，其中所述多个间隔元件设置有皮肤的内表面， 所述间隔元件的第二端在所述翼梁和皮肤之间形成多个斑块，所述斑块与所述冷却流体输送系统流体连通，所述皮肤包含至少一种选自Rh，Pd和 铂 以及连接翼梁的底端和皮肤底端的底座。

    Bonded niobium silicide and molybdenum silicide composite articles using semi-solid brazes
    4.
    发明申请
    Bonded niobium silicide and molybdenum silicide composite articles using semi-solid brazes 有权
    使用半固体钎焊的结合的硅化铌和硅化钼复合材料制品

    公开(公告)号：US20030002988A1

    公开(公告)日：2003-01-02

    申请号：US09867489

    申请日：2001-05-30

    Applicant: General Electric Company

    Inventor： Melvin Robert Jackson ,  Bernard Patrick Bewlay ,  Ji-Cheng Zhao

    IPC: F01D001/02

    CPC classification number: F01D5/28 ,  B23K35/0222 ,  B23K35/28 ,  B23K35/30 ,  B23K35/32 ,  B23K35/322 ,  B23K35/325 ,  B32B15/01 ,  F05C2201/0463 ,  F05C2201/0466 ,  F05D2300/121 ,  F05D2300/13 ,  F05D2300/132 ,  F05D2300/133 ,  F05D2300/134 ,  F05D2300/142 ,  F05D2300/143 ,  F05D2300/222 ,  Y02T50/672 ,  Y10T428/12639 ,  Y10T428/12674 ,  Y10T428/12778 ,  Y10T428/12806 ,  Y10T428/12819 ,  Y10T428/12826 ,  Y10T428/12847 ,  Y10T428/12861 ,  Y10T428/12868 ,  Y10T428/12875 ,  Y10T428/12889

    Abstract: An airfoil having a melting temperature of at least about 1500null C. and comprising a first piece and a second piece joined by a braze to the first piece. The first piece comprises one of a first niobium-based refractory metal intermetallic composite and a first-based refractory metal intermetallic composite, and the second piece comprises one of a second niobium-based refractory metal intermetallic composite and a second molybdenum-based refractory metal intermetallic composite. The braze joining the first piece to the second piece is a semi-solid braze that comprises a first component and a second component. The first component of the semi-solid braze comprises a first element and a second metallic element, wherein the first element is one of titanium, palladium, zirconium, niobium, germanium, silicon, and hafnium, and the second metallic element is a metal selected from the group consisting of titanium, palladium, zirconium, niobium, hafnium, aluminum, chromium, vanadium, platinum, gold, iron, nickel, and cobalt, the second metallic element being different from the first element. The second component has a melting temperature of at least about 1450null C. and comprises one of niobium, molybdenum, titanium, hafnium, silicon, boron, aluminum, tantalum, germanium, vanadium, tungsten, zirconium, and chromium. This abstract is submitted in compliance with 37 C.F.R. 1.72(b) with the understanding that it will not be used to interpret or limit the scope of or meaning of the claims.

    Abstract translation: 具有至少约1500℃的熔化温度的翼型件，并且包括通过钎焊连接到第一件的第一件和第二件。 第一件包括第一铌基难熔金属金属间复合材料和第一种难熔金属金属间复合材料中的一种，第二件包括第二铌基难熔金属金属间复合物和第二种钼基难熔金属金属间化合物 综合。 将第一件连接到第二件的钎焊是包括第一部件和第二部件的半固体钎焊。 半固体钎焊的第一部件包括第一元件和第二金属元件，其中第一元件是钛，钯，锆，铌，锗，硅和铪之一，并且第二金属元素是选择的金属 从钛，钯，锆，铌，铪，铝，铬，钒，铂，金，铁，镍和钴组成的组中，第二金属元素不同于第一元素。 第二组分具有至少约1450℃的熔融温度，并且包括铌，钼，钛，铪，硅，硼，铝，钽，锗，钒，钨，锆和铬中的一种。 本摘要根据37 C.F.R. 1.72（b），但有一项谅解，即不会用于解释或限制权利要求的范围或含义

    OXIDATION RESISTANT COATINGS FOR NIOBIUM-BASED SILICIDE COMPOSITES
    5.
    发明申请
    OXIDATION RESISTANT COATINGS FOR NIOBIUM-BASED SILICIDE COMPOSITES 失效
    用于铌基硅氧烷复合材料的耐氧化涂层

    公开(公告)号：US20020192491A1

    公开(公告)日：2002-12-19

    申请号：US09775737

    申请日：2001-02-02

    Applicant: General Electric Company

    Inventor： Ji-Cheng Zhao ,  Melvin Robert Jackson ,  Bernard Patrick Bewlay

    IPC: B32B015/04

    CPC classification number: C23C10/26 ,  C23C10/28 ,  C23C10/60 ,  C23C30/00 ,  Y02T50/67 ,  Y10T428/12611 ,  Y10T428/12618 ,  Y10T428/12674 ,  Y10T428/12806 ,  Y10T428/12819 ,  Y10T428/265

    Abstract: An environmentally resistant coating for improving the oxidation resistance of a niobium-based refractory metal intermetallic composite (Nb-based RMIC) at high temperatures, the environmentallly resistant coating comprising silicon, titanium, chromium, and niobium. The invention includes a turbine system having turbine components comprising at least one Nb-based RMIC, the environmentally resistant coating disposed on a surface of the Nb-based RMIC, and a thermal barrier coating disposed on an outer surface of the environmentally resistant coating. Methods of making a turbine component having the environmentally resistant coating and coating a Nb-based RMIC substrate with the environmentally resistant coating are also disclosed.

    Abstract translation: 用于提高高温下铌基难熔金属金属间复合材料（Nb系RMIC）的抗氧化性的环保涂层，包含硅，钛，铬和铌的耐环境涂层。 本发明包括具有涡轮机部件的涡轮机系统，所述涡轮机部件包括至少一个基于Nb的RMIC，设置在Nb基RMIC的表面上的耐环境涂层以及设置在耐环境涂层的外表面上的热障涂层。 还公开了制造具有耐环境涂层的涡轮机部件和用耐环境涂层涂覆Nb基RMIC基板的方法。

    Bonded niobium silicide and molybdenum silicide composite articles and method of manufacture
    6.
    发明申请
    Bonded niobium silicide and molybdenum silicide composite articles and method of manufacture 失效
    粘结铌硅化物和硅化钼复合制品及其制造方法

    公开(公告)号：US20020182070A1

    公开(公告)日：2002-12-05

    申请号：US09867643

    申请日：2001-05-30

    Applicant: General Electric Company

    Inventor： Bernard Patrick Bewlay ,  Melvin Robert Jackson ,  Ji-Cheng Zhao

    IPC: F01D005/28

    CPC classification number: B23K35/005 ,  B23K1/0018 ,  B23K35/30 ,  B23K35/32 ,  B23K2101/001 ,  F01D5/28 ,  F05D2230/23 ,  F05D2300/131 ,  Y02T50/672 ,  Y10S428/941 ,  Y10T428/12639 ,  Y10T428/12778 ,  Y10T428/12806 ,  Y10T428/12819 ,  Y10T428/12826 ,  Y10T428/12847 ,  Y10T428/12861 ,  Y10T428/12868 ,  Y10T428/12875 ,  Y10T428/12889

    Abstract: An airfoil having a melting temperature of at least about 1500null C. and comprising a first piece and a second piece joined at a bonded region to the first piece by a diffusion bond. The first piece comprises one of a first niobium-based refractory metal intermetallic composite and a first molybdenum-based refractory metal intermetallic composite. The second piece comprises one of a second niobium-based refractory metal intermetallic composite and a second molybdenum-based refractory metal intermetallic composite. The diffusion bond is formed from a first metallic element disposed on a first surface of the first piece and a second metallic element disposed on at least one of the first surface and a second surface of the second piece, the second surface contacting the first surface, wherein the first and second metal form a composition having a melting temperature less than about 1400null C. This abstract is submitted in compliance with 37 C.F.R. 1.72(b) with the understanding that it will not be used to interpret or limit the scope of or meaning of the claims.

    Abstract translation: 具有至少约1500℃的熔融温度的翼型件，并且包括通过扩散接合在第一部件的接合区域处连接的第一部件和第二部件。 第一件包括第一铌基难熔金属金属间复合物和第一钼基难熔金属金属间复合材料之一。 第二件包括第二铌基难熔金属金属间复合物和第二钼基难熔金属金属间复合物之一。 扩散接合由设置在第一部件的第一表面上的第一金属元件和设置在第二部件的第一表面和第二表面中的至少一个上的第二金属元件形成，第二表面接触第一表面， 其中所述第一和第二金属形成具有小于约1400℃的熔融温度的组合物。该摘要按照37CFR进行 1.72（b），但有一项谅解，即不会用于解释或限制权利要求的范围或含义

    NIOBIUM-SILICIDE BASED COMPOSITES RESISTANT TO LOW TEMPERATURE PESTING
    7.
    发明申请
    NIOBIUM-SILICIDE BASED COMPOSITES RESISTANT TO LOW TEMPERATURE PESTING 有权
    基于耐氧化硅的复合材料耐低温老化

    公开(公告)号：US20020104595A1

    公开(公告)日：2002-08-08

    申请号：US09735769

    申请日：2000-12-13

    Applicant: General Electric Company

    Inventor： Melvin Robert Jackson ,  Bernard Patrick Bewlay ,  Ji-Cheng Zhao

    IPC: C22C027/02

    CPC classification number: C22F1/18 ,  C22C27/02

    Abstract: A niobium-silicide refractory metal intermetallic composite having enhanced material characteristics, such as oxidation resistance, creep resistance, and toughness, and turbine components made therefrom. The composite comprises between about 14 atomic percent and about 26 atomic percent titanium; between about 1 atomic percent and about 4 atomic percent hafnium; up to about 6 atomic percent tantalum; between about 12 atomic percent and about 22 atomic percent silicon; up to about 5 atomic percent germanium; up to about 4 atomic percent boron; between about 7 atomic percent and about 14 atomic percent chromium; up to about 3 atomic percent iron; up to about 2 atomic percent aluminum; between about 1 atomic percent and about 3 atomic percent tin; up to about 2 atomic percent tungsten; up to about 2 atomic percent molybdenum; and a balance of niobium, wherein a ratio of a sum of atomic percentages of niobium and tantalum present in said niobium silicide refractory intermetallic composite to a sum of atomic percentages of titanium and hafnium present in said niobium silicide refractory intermetallic composite has a value between about 1.4 and about 2.2 (i.e.,1.4

    Abstract translation: 具有提高材料特性如耐氧化性，抗蠕变性和韧性的铌 - 硅化物耐火金属金属间复合物和由其制成的涡轮部件。 复合材料包含约14原子％至约26原子％的钛; 约1原子％至约4原子％的铪; 高达约6原子％的钽; 约12原子％和约22原子％之间的硅; 高达约5原子％的锗; 高达约4原子％的硼; 约7原子％至约14原子％的铬; 高达约3原子％的铁; 高达约2原子％的铝; 在约1原子％和约3原子％之间的锡; 高达约2原子％的钨; 高达约2原子％的钼; 和铌的余量，其中存在于所述铌硅化物难熔金属间复合材料中的铌和钽的原子百分比之和与存在于所述铌硅化物耐火金属间复合材料中的钛和铪的原子百分比之和的比值在约 1.4和约2.2（即1.4 <（Nb + Ta）：Ti + Hf）<2.2）。

    Method for protecting articles, and related compositions
    8.
    发明申请
    Method for protecting articles, and related compositions 审中-公开
    保护制品的方法和相关组合物

    公开(公告)号：US20040022662A1

    公开(公告)日：2004-02-05

    申请号：US10064618

    申请日：2002-07-31

    Applicant: General Electric Company

    Inventor： Don Mark Lipkin ,  Ji-Cheng Zhao

    IPC: C22C021/00 ,  C23C014/32 ,  C22C021/02 ,  C22C021/04

    CPC classification number: C23C14/5806 ,  C23C14/165 ,  C23C14/325 ,  C23C14/3414 ,  Y02T50/67 ,  Y02T50/6765

    Abstract: A method for protecting an article from a high temperature, oxidative environment is presented, along with alloy compositions and ion plasma deposition targets suitable for use in the method. The method comprises providing a substrate, providing an ion plasma deposition target, and depositing a protective coating onto the substrate using the target in an ion plasma deposition process. The target comprises from about 2 atom percent to about 25 atom percent chromium, and the balance comprises aluminum.

    Abstract translation: 提出了一种用于保护制品免受高温氧化环境的方法，以及适用于该方法的合金组成和离子等离子体沉积靶。 该方法包括提供衬底，提供离子等离子体沉积靶，以及使用离子等离子体沉积工艺中的靶，在衬底上沉积保护涂层。 靶包含约2原子％至约25原子％的铬，余量包括铝。

    Niobium-silicide based composites resistant to high temperature oxidation
    10.
    发明申请
    Niobium-silicide based composites resistant to high temperature oxidation 失效
    铌硅复合材料耐高温氧化

    公开(公告)号：US20030066578A1

    公开(公告)日：2003-04-10

    申请号：US10263527

    申请日：2002-10-03

    Applicant: General Electric Company

    Inventor： Melvin Robert Jackson ,  Bernard Patrick Bewlay ,  Ji-Cheng Zhao

    IPC: C22C027/02

    CPC classification number: C22C29/18 ,  C22C27/02 ,  F01D5/28 ,  F05D2200/11 ,  Y02T50/672

    Abstract: A niobium-silicide refractory metal intermetallic composite adapted for use in a turbine component. The niobium-silicide refractory metal intermetallic composite comprises: between about 19 atomic percent and about 24 atomic percent titanium; between about 1 atomic percent and about 5 atomic percent hafnium; between about 16 atomic percent and about 22 atomic percent silicon; between about 7 atomic percent and about 14 atomic percent chromium; from about 1.5 atomic percent to about 3 atomic percent tin; and a balance of niobium. The niobium silicide refractory intermetallic composite contains a tetragonal phase, which comprises a volume fraction from 0.35 to 0.5 of the niobium silicide refractory intermetallic composite, and a hexagonal M3Si5 silicide phase (wherein M is at least one of Nb and Hf) which comprises a volume fraction comprises less than 0.25 of the niobium silicide refractory intermetallic composite. A ratio of the sum of atomic percentages of niobium and tantalum present in said niobium silicide refractory intermetallic composite to the sum of atomic percentages of titanium and of hafnium present in said niobium silicide refractory intermetallic composite has a value from 1.5 to 2.0.

    Abstract translation: 适用于涡轮机部件的铌硅化物耐火金属金属间复合材料。 所述铌 - 硅化物难熔金属金属间复合物包括：约19原子％至约24原子％的钛; 约1原子％至约5原子％的铪; 介于约16原子％和约22原子％之间的硅; 约7原子％至约14原子％的铬; 从约1.5原子％至约3原子％的锡; 和铌的平衡。 所述铌硅化物难熔金属间复合材料包含四方相，其包含硅化铌耐火金属间复合物的0.35至0.5的体积分数和六方晶系的M 3 Si 5硅化物相（其中M是Nb和Hf中的至少一种），其包含体积 级分包含小于0.25的铌硅化物难熔金属间复合材料。 所述铌硅化物难熔金属间化合物中存在的铌和钽的原子百分比之和与存在于所述铌硅化物耐火金属间复合材料中的钛和铪的原子百分比之和的比值为1.5至2.0。

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