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1. 发明授权

US07189459B2 Turbine blade for extreme temperature conditions 有权
标题翻译：涡轮叶片适用于极端温度条件
公开(公告)号：US07189459B2
公开(公告)日：2007-03-13
申请号：US10334590
申请日：2002-12-31
申请人： Melvin Jackson , Pazhayannur Subramanian , Ji-Cheng Zhao , Bernard Bewlay , Ramgopal Darolia , Robert Schafrik
发明人： Melvin Jackson , Pazhayannur Subramanian , Ji-Cheng Zhao , Bernard Bewlay , Ramgopal Darolia , Robert Schafrik
IPC分类号： B32B13/06 , B32B9/04
CPC分类号： C22C27/02 , C04B41/009 , C04B41/52 , C04B41/89 , C23C28/322 , C23C28/34 , C23C28/3455 , F01D5/187 , F01D5/284 , F01D5/288 , F05D2300/21 , F05D2300/611 , Y02T50/67 , Y02T50/672 , Y02T50/676 , C04B41/51 , C04B41/5133 , C04B41/5105 , C04B41/5122 , C04B41/5071 , C04B41/522 , C04B41/4529 , C04B41/5042 , C04B35/58
摘要： One exemplary embodiment of a turbine component (which may be a blade) comprises a substrate comprising a silicide-based material, a plurality of through holes disposed in the substrate, the holes being configured to receive an airflow, a silicide coating disposed at the surfaces of the substrate and the through holes, and a thermal barrier coating disposed at the silicide coating. In another exemplary embodiment the silicide coating may be replaced by a Laves phase-containing layer. In still another exemplary embodiment the silicide coating may be replaced by a diffusion barrier layer disposed at a surface of the substrate and a platinum group metal layer disposed at the diffusion barrier layer. One exemplary embodiment of a blade may comprise an airfoil comprising a silicide-based material and through holes disposed therein, a cooling plenum disposed in the airfoil, and a base configured to receive the airfoil in a dovetail fit, the base comprising a superalloy.
摘要翻译：涡轮机部件（其可以是刀片）的一个示例性实施例包括基板，其包括基于硅化物的材料，设置在基板中的多个通孔，所述孔被配置为接收气流，设置在表面的硅化物涂层的基板和通孔，以及设置在硅化物涂层处的热障涂层。在另一示例性实施方案中，硅化物涂层可以由含Laves相的层代替。在又一示例性实施例中，硅化物涂层可以由设置在基板的表面处的扩散阻挡层和设置在扩散阻挡层处的铂族金属层代替。叶片的一个示例性实施例可以包括包括硅化物基材料和设置在其中的通孔的翼型件，设置在翼型件中的冷却增压室和被配置为以燕尾配合接收翼型的基座，该基部包括超级合金。

2. 发明申请

US20050069449A1 High-temperature composite articles and associated methods of manufacture 有权
标题翻译：高温复合制品及相关制造方法
公开(公告)号：US20050069449A1
公开(公告)日：2005-03-31
申请号：US10671851
申请日：2003-09-26
申请人： Melvin Jackson , Bernard Bewlay , Judson Marte , Pazhayannur Subramanian , Ji-Cheng Zhao , Ann Ritter
发明人： Melvin Jackson , Bernard Bewlay , Judson Marte , Pazhayannur Subramanian , Ji-Cheng Zhao , Ann Ritter
IPC分类号： B22F3/23 , C22C1/05 , C22C29/18 , C22C32/00 , B22F1/02
CPC分类号： C22C27/02 , B22F3/23 , C22C1/058 , C22C29/18 , C22C32/0078
摘要： The present invention provides a method for forming a refractory metal-intermetallic composite. The method includes providing a first powder comprising a refractory metal suitable for forming a metal phase; providing a second powder comprising a silicide precursor suitable for forming an intermetallic phase; blending the first powder and the second powder to form a powder blend; consolidating and mechanically deforming the powder blend at a first temperature; and reacting the powder blend at a second temperature to form the metal phase and the intermetallic phase of the refractory metal-intermetallic composite, wherein the second temperature is higher than the first temperature.
摘要翻译：本发明提供了形成难熔金属 - 金属间复合材料的方法。该方法包括提供包含适于形成金属相的难熔金属的第一粉末; 提供包含适于形成金属间相的硅化物前体的第二粉末; 混合第一粉末和第二粉末以形成粉末混合物; 在第一温度下固化和机械地使粉末混合物变形; 和在第二温度下使粉末混合物反应以形成难熔金属 - 金属间化合物的金属相和金属间相，其中第二温度高于第一温度。

3. 发明申请

US20060147335A1 Niobium-silicide based compositions, and related articles 审中-公开
标题翻译：基于铌硅化物的组合物和相关制品
公开(公告)号：US20060147335A1
公开(公告)日：2006-07-06
申请号：US11029666
申请日：2004-12-31
申请人： Bernard Bewlay , Laurent Cretegny , Melvin Jackson , Pazhayannur Subramanian
发明人： Bernard Bewlay , Laurent Cretegny , Melvin Jackson , Pazhayannur Subramanian
IPC分类号： C22C27/02
CPC分类号： C22C27/02 , C22C29/18
摘要： A refractory composition comprising niobium and silicon is disclosed. The amount of silicon present is less than about 9 atom %, based on total atomic percent for the composition. A turbine engine component (e.g., a gas turbine) is also described herein. The component comprises an alloy of niobium and silicon, wherein the amount of silicon present is less than about 9 atom %.
摘要翻译：公开了包含铌和硅的耐火材料组合物。基于组合物的总原子百分数，存在的硅的量小于约9原子％。本文还描述了涡轮发动机部件（例如，燃气轮机）。该组分包括铌和硅的合金，其中存在的硅的量小于约9原子％。

4. 发明申请

US20070023109A1 Refractory metal intermetallic composites based on niobium-silicides, and related articles 失效
$Refractory metal intermetallic composites based on niobium-silicides, and related articles$
标题翻译：基于铌硅的耐火金属金属间复合材料及相关文章
公开(公告)号：US20070023109A1
公开(公告)日：2007-02-01
申请号：US11189412
申请日：2005-07-26
申请人： Bernard Bewlay , Laurent Cretegny , Pazhayannur Subramanian , Melvin Jackson
发明人： Bernard Bewlay , Laurent Cretegny , Pazhayannur Subramanian , Melvin Jackson
IPC分类号： C22C30/00
CPC分类号： C22C27/02 , C22C29/18 , F01D25/005 , F05D2230/90 , F05D2300/611 , Y10T428/12806
摘要： A refractory composition is described, containing niobium, silicon, titanium, and at least one of rhenium and ruthenium. The amount of silicon in the composition is at least about 9 atom %, and the amount of titanium present is less than about 26 atom %, based on total atomic percent. Turbine engine components formed from such a composition are also disclosed.
摘要翻译：描述了含有铌，硅，钛以及铼和钌中的至少一种的耐火材料组合物。组合物中的硅的量为至少约9原子％，并且基于总原子百分比，存在的钛的量小于约26原子％。还公开了由这种组合物形成的涡轮发动机部件。

5. 发明申请

US20060249556A1 Apparatus and method for friction stir welding of high strength materials, and articles made therefrom 有权
标题翻译：高强度材料的摩擦搅拌焊接装置及方法及由其制成的制品
公开(公告)号：US20060249556A1
公开(公告)日：2006-11-09
申请号：US11409647
申请日：2006-04-24
申请人： Pazhayannur Subramanian , Bernard Bewlay , Earl Helder , Timothy Trapp , Timothy Hanlon
发明人： Pazhayannur Subramanian , Bernard Bewlay , Earl Helder , Timothy Trapp , Timothy Hanlon
IPC分类号： B23K20/12
CPC分类号： B23K20/1255 , B23K20/22
摘要： An apparatus for friction stir welding, a weld tool for friction stir welding, and a method for making a weld tool for friction stir welding are presented. The weld tool comprises doped tungsten. A method for manufacturing an article, where the method comprises providing the apparatus for friction stir welding, and the article produced by this method are also presented.
摘要翻译：提出了一种摩擦搅拌焊接装置，用于摩擦搅拌焊接的焊接工具，以及用于制造用于摩擦搅拌焊接的焊接工具的方法。焊接工具包括掺杂的钨。一种用于制造制品的方法，其中所述方法包括提供用于摩擦搅拌焊接的装置，并且还提供了通过该方法制造的制品。

6. 发明申请

US20060163328A1 Apparatus and method for friction stir welding using a consumable pin tool 有权
标题翻译：使用消耗性销钉工具进行摩擦搅拌焊接的装置和方法
公开(公告)号：US20060163328A1
公开(公告)日：2006-07-27
申请号：US11386998
申请日：2006-03-23
申请人： Pazhayannur Subramanian , Earl Helder , Timothy Trapp
发明人： Pazhayannur Subramanian , Earl Helder , Timothy Trapp
IPC分类号： B23K20/12 , B23K31/02
CPC分类号： B23K20/125 , B23K20/1215 , B23K20/1255 , B23K20/128
摘要： The present invention provides a friction stir welding apparatus operable for welding one or more metals, metal alloys, or other materials. The friction stir welding apparatus includes a pin tool holder, a shoulder having a surface coupled to the pin tool holder, and a pin tool coupled to the pin tool holder, the pin tool at least partially protruding from the surface of the shoulder, wherein the pin tool is made of a consumable pin tool material. Optionally, the shoulder rotates at a predetermined rotational speed and is retractable into/extendable from the pin tool holder at a substantially constant rate. Optionally, the shoulder is also made of a consumable shoulder material that is at least partially incorporated into the volume of a joint to be welded. The consumable shoulder material comprises a material that is the same as, similar to, or dissimilar from one or more materials comprising a workpiece to be friction stir welded. Preferably, the pin tool rotates at a predetermined rotational speed and is retractable into/extendable from the surface of the shoulder at a substantially constant rate. The consumable pin tool material is at least partially incorporated into the volume of the joint to be welded. The consumable pin tool material comprises a material that is the same as, similar to, or dissimilar from one or more materials comprising the workpiece to be friction stir welded.
摘要翻译：本发明提供了可操作用于焊接一种或多种金属，金属合金或其它材料的摩擦搅拌焊接装置。摩擦搅拌焊接装置包括销工具保持器，具有联接到销工具保持器的表面的肩部和联接到销工具保持器的销工具，销工具至少部分地从肩部的表面突出，其中，销钉工具由消耗性销钉工具材料制成。可选地，肩部以预定旋转速度旋转，并且以基本上恒定的速率可缩回到销工具保持器中/可从其延伸。任选地，肩部也由至少部分地结合到待焊接接头的体积中的可消耗的肩部材料制成。可消耗的肩部材料包括与包括要被摩擦搅拌焊接的工件的一种或多种材料相同或相似的材料。优选地，销工具以预定的转速旋转，并以基本上恒定的速率从肩部的表面缩回/延伸。消耗性销钉工具材料至少部分地结合到待焊接接头的体积中。消耗销工具材料包括与包括待摩擦搅拌焊接的工件的一种或多种材料相同或相似的材料。

7. 发明申请

US20120312426A1 Alumina-Forming Cobalt-Nickel Base Alloy and Method of Making an Article Therefrom 有权
标题翻译：氧化铝形成钴 - 镍基合金及其制造方法
公开(公告)号：US20120312426A1
公开(公告)日：2012-12-13
申请号：US13156614
申请日：2011-06-09
申请人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, JR. , Kathleen Blanche Morey , Jon Conrad Schaeffer , Pazhayannur Subramanian
发明人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, JR. , Kathleen Blanche Morey , Jon Conrad Schaeffer , Pazhayannur Subramanian
IPC分类号： C23C8/10 , C22F1/16 , C22C19/07 , C22F1/10 , B32B15/04 , C22C30/00
CPC分类号： C22C19/07 , C22C19/056 , C22C19/057 , C22F1/10 , C23C8/10
摘要： A cobalt-nickel base alloy is disclosed. The alloy includes, in weight percent: greater than about 4% of Al, about 10 to about 20% of W, about 10 to about 40% Ni, about 5 to 20% Cr and the balance Co and incidental impurities. The alloy has a microstructure that is substantially free of a CoAl phase having a B2 crystal structure and configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment. A method of making an article of the alloy includes: selecting the alloy; forming an article from the alloy; solution-treating the alloy; and aging the alloy to form an alloy microstructure that is substantially free of a CoAl phase having a B2 crystal structure, wherein the alloy is configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment.
摘要翻译：公开了一种钴 - 镍基合金。该合金包括以重量％计：大于约4％的Al，约10至约20％的W，约10至约40％的Ni，约5至20％的Cr以及余量为Co和杂质。该合金具有基本上不含具有B2晶体结构的CoAl相的微结构，并且构造成在暴露于高温氧化环境时在合金表面上形成连续的附着氧化铝层。制造合金制品的方法包括：选择合金; 从合金制成制品; 溶液处理合金; 并且老化该合金以形成基本上不含具有B2晶体结构的CoAl相的合金微结构，其中该合金构造成在暴露于高温氧化环境时在合金表面上形成连续的粘附氧化铝层。

8. 发明申请

US20060141139A1 Magnetic laminated structure and method of making 有权
标题翻译：磁性层压结构及制作方法
公开(公告)号：US20060141139A1
公开(公告)日：2006-06-29
申请号：US11023736
申请日：2004-12-28
申请人： Luana Iorio , Pazhayannur Subramanian
发明人： Luana Iorio , Pazhayannur Subramanian
IPC分类号： B32B15/04 , B05D5/12 , C23C14/00
CPC分类号： C23C28/324 , C23C28/345 , C23C28/3455 , C23C28/42 , G11B5/85 , H01F10/08 , H01F41/14 , H01F41/22 , H01F41/32 , Y10T428/325
摘要： An article comprising a multilayered structure comprising a series of magnetic layers is provided. The magnetic layers comprise a magnetic material, and an insulating layer is disposed between successive magnetic layers. Each magnetic layer has a thickness of at least about 2 micrometers and magnetic material has an average grain size less than 200 nm. Also provided is a method for making the article.
摘要翻译：提供了包括一系列磁性层的多层结构的制品。磁性层包括磁性材料，绝缘层设置在连续的磁性层之间。每个磁性层具有至少约2微米的厚度，并且磁性材料具有小于200nm的平均粒度。还提供了制造该制品的方法。

9. 发明申请

US20060117562A1 PROCESS FOR REPAIRING TURBINE COMPONENTS 有权
标题翻译：维修涡轮机组件的工艺
公开(公告)号：US20060117562A1
公开(公告)日：2006-06-08
申请号：US10459805
申请日：2003-06-13
申请人： Pazhayannur Subramanian , James Ruud , Laurent Cretegny
发明人： Pazhayannur Subramanian , James Ruud , Laurent Cretegny
IPC分类号： B23P6/00
CPC分类号： B23P6/005 , B23K1/0018 , B23K1/008 , B23K1/19 , B23K1/20 , B23K11/0033 , B23K2101/001 , Y10T29/49318 , Y10T29/49336 , Y10T29/49734 , Y10T29/49737
摘要： A process for repairing a turbine component comprises overlaying a preform of a brazing material onto a surface of the turbine component, wherein the surface comprises a damaged portion; securing the preform of a brazing material to the surface; and heating the turbine component to a temperature effective to form a brazed joint between the brazing material and the turbine component. Also disclosed is a repaired turbine component repaired by the process.
摘要翻译：修复涡轮机部件的过程包括将钎焊材料的预成型件覆盖在涡轮部件的表面上，其中所述表面包括损坏部分; 将钎焊材料的预成型件固定到表面; 并且将所述涡轮机部件加热到有效地在所述钎焊材料和所述涡轮部件之间形成钎焊接头的温度。还公开了通过该过程修复的修理的涡轮机部件。

10. 发明申请

US20050135959A1 Nano particle-reinforced Mo alloys for x-ray targets and method to make 失效
标题翻译：用于x射线靶的纳米颗粒增强Mo合金和方法
公开(公告)号：US20050135959A1
公开(公告)日：2005-06-23
申请号：US10743236
申请日：2003-12-22
申请人： Pazhayannur Subramanian , Judson Marte , Paul Dupree
发明人： Pazhayannur Subramanian , Judson Marte , Paul Dupree
IPC分类号： C22C27/04 , H01J9/14 , H01J35/08
CPC分类号： C22C27/04 , B22F2009/041 , B22F2998/10 , B22F2999/00 , C22C32/0031 , H01J35/10 , H01J2235/081 , B22F9/04 , B22F3/02 , B22F3/17 , B22F3/18 , B22F3/20 , B22F2202/03
摘要： A nanocomposite comprising a plurality of nanoparticles dispersed in a molybdenum-based matrix, and an x-ray tube component formed from such a nanocomposite. The nanocomposite contains volume fraction of nanoparticle dispersoids in a range from about 2 volume percent to about 20 volume percent. A method of making such molybdenum-based nanocomposites is also disclosed.
摘要翻译：包含分散在钼基基质中的多个纳米颗粒的纳米复合材料和由这种纳米复合材料形成的x射线管组分。纳米复合材料含有约2体积％至约20体积％范围内的纳米颗粒分散体的体积分数。还公开了制备这种钼基纳米复合材料的方法。

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