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1. 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。

2. 发明申请

US20070151639A1 Nanostructured superalloy structural components and methods of making 审中-公开
标题翻译：纳米结构超合金结构件及其制造方法
公开(公告)号：US20070151639A1
公开(公告)日：2007-07-05
申请号：US11324458
申请日：2006-01-03
申请人： Ramkumar Oruganti , Pazhayannur Subramanian , Michael Gigliotti , Luana Iorio , Craig Young , Suchismita Sanyal , Dheepa Srinivasan , Sundar Amancherla
发明人： Ramkumar Oruganti , Pazhayannur Subramanian , Michael Gigliotti , Luana Iorio , Craig Young , Suchismita Sanyal , Dheepa Srinivasan , Sundar Amancherla
IPC分类号： C22C19/05 , C22F1/10
CPC分类号： C22C19/056 , B22F2003/248 , B22F2009/041 , B22F2998/10 , B22F2999/00 , B82Y30/00 , C22C1/0433 , C22C32/00 , C22F1/10 , B22F1/0003 , B22F9/04 , B22F3/02 , B22F3/15 , B22F3/20 , B22F3/24 , B22F2202/03
摘要： A superalloy-containing structural component includes a superalloy matrix, and a plurality of hard phase nanoparticles dispersed at grain boundaries within the superalloy matrix, wherein the plurality of hard phase nanoparticles dispersed at the grain boundaries comprise about 1 volume percent to about 30 volume percent of the structural component, and wherein the superalloy matrix and the plurality of hard phase nanoparticles dispersed at the grain boundaries within the base superalloy matrix have been thermo-mechanically processed to form the structural component. A method for making a structural component includes introducing dislocations into a superalloy particle matrix effective to form new grain boundaries within a plurality of superalloy particles, introducing hard phase dispersoid nanoparticles at a plurality of grain boundaries of the superalloy particles effective to pin the grain boundaries, and thermo-mechanically processing the superalloy particles and hard phase dispersoid nanoparticles to form the superalloy-containing structural component.
摘要翻译：含超合金的结构组分包括超级合金基质和分散在超级合金基体内的晶界处的多个硬相纳米颗粒，其中分散在晶界处的多个硬相纳米颗粒包含约1体积％至约30体积％的结构组分，并且其中分散在基础超级合金基体内的晶界处的超级合金基体和多个硬相纳米颗粒已经被机械加工以形成结构组分。一种制造结构组分的方法包括将位错引入超级合金粒子基质中，有效地在多个超级合金粒子内形成新的晶界，将硬相分散相纳米颗粒引入到有效引导晶界的超级合金粒子的多个晶界处，并对超合金颗粒和硬质相分散质纳米粒子进行热机械加工，形成含有超合金的结构组分。

3. 发明申请

US20070151630A1 Method for making soft magnetic material having ultra-fine grain structure 审中-公开
标题翻译：制造具有超细晶粒结构的软磁材料的方法
公开(公告)号：US20070151630A1
公开(公告)日：2007-07-05
申请号：US11321986
申请日：2005-12-29
申请人： Luana Iorio , Pazhayannur Subramanian
发明人： Luana Iorio , Pazhayannur Subramanian
IPC分类号： H01F1/12 , H01F41/02
CPC分类号： H01F41/0206 , C22C38/08 , C22C38/10 , C22C38/12
摘要： A method of making a soft magnetic material with ultra-fine grain structure is provided. The method includes the steps of: providing a soft magnetic starting material; and deforming the soft magnetic starting material within a dynamic recrystallization processing zone to form a billet having a grain size less than about 200 nm. An article comprising a magnetic material is provided, wherein the article is formed by: providing a soft magnetic starting material; and deforming the soft magnetic starting material within a dynamic recrystallization processing zone to form a billet having a grain size less than about 200 nm.
摘要翻译：提供了制造具有超细晶粒结构的软磁材料的方法。该方法包括以下步骤：提供软磁起始材料; 并使软磁性原料在动态再结晶处理区内变形，形成粒径小于约200nm的坯料。提供一种包含磁性材料的物品，其中所述制品通过以下方式形成：提供软磁性起始材料; 并使软磁性原料在动态再结晶处理区内变形，形成粒径小于约200nm的坯料。

4. 发明申请

US20050133121A1 Metallic alloy nanocomposite for high-temperature structural components and methods of making 审中-公开
标题翻译：金属合金纳米复合材料的高温结构件及其制备方法
公开(公告)号：US20050133121A1
公开(公告)日：2005-06-23
申请号：US10743237
申请日：2003-12-22
申请人： Pazhayannur Subramanian , Thomas Angeliu , Reed Corderman , Shyh-Chin Huang , Judson Marte , Dennis Gray , Krishnamurthy Anand , Dheepa Srinivasan , Ramkumar Oruganti , Sundar Amancherla
发明人： Pazhayannur Subramanian , Thomas Angeliu , Reed Corderman , Shyh-Chin Huang , Judson Marte , Dennis Gray , Krishnamurthy Anand , Dheepa Srinivasan , Ramkumar Oruganti , Sundar Amancherla
IPC分类号： B22F3/16 , C22C1/05 , C22C19/05 , C22C38/18
CPC分类号： C22C1/05 , B22F3/162 , B22F2009/041 , B22F2998/00 , B22F2998/10 , B22F2999/00 , B22F9/04 , B22F3/16 , B22F1/0018
摘要： A nanocomposite comprising a plurality of nanoparticles dispersed in a metallic alloy matrix, and a structural component formed from such a nanocomposite. The metallic matrix comprises at least one of a nickel-based alloy and an iron-based alloy. The nanocomposite contains a higher volume fraction of nanoparticle dispersoids than those presently available. The structural component include those used in hot gas path assemblies, such as steam turbines, gas turbines, and aircraft turbine. A method of making such nanocomposites is also disclosed.
摘要翻译：包含分散在金属合金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结构组分。金属基体包括镍基合金和铁基合金中的至少一种。纳米复合材料含有比目前可获得的更高体积分数的纳米粒子分散体。结构部件包括在热气路径组件中使用的部件，例如蒸汽轮机，燃气轮机和飞机涡轮机。还公开了制备这种纳米复合材料的方法。

5. 发明申请

US20050079370A1 Nano-multilayered structures, components and associated methods of manufacture 审中-公开
标题翻译：纳米多层结构，部件和相关制造方法
公开(公告)号：US20050079370A1
公开(公告)日：2005-04-14
申请号：US10684061
申请日：2003-10-10
申请人： Reed Corderman , Pazhayannur Subramanian , Dheepa Srinivasan , Dennis Gray , Krishnamurthy Anand
发明人： Reed Corderman , Pazhayannur Subramanian , Dheepa Srinivasan , Dennis Gray , Krishnamurthy Anand
IPC分类号： B32B15/04 , B32B9/00 , B82B1/00 , C23C14/06 , C23C14/34 , C23C16/00 , C23C28/00 , F01D5/28
CPC分类号： B82Y30/00 , C23C14/3464 , C23C28/321 , C23C28/3215 , C23C28/34 , C23C28/341 , C23C28/345 , C23C28/3455 , C23C28/347 , C23C28/42 , F01D5/284 , F01D5/288 , Y02T50/67 , Y02T50/672 , Y02T50/6765 , Y10T428/265
摘要： Nano-multilayered structures, components and associated methods of manufacture suitable for use in high-temperature applications including a plurality of metallic alloy layers, wherein the thickness of each of the plurality of metallic alloy layers is on a nano scale, and a plurality of ceramic oxide layers disposed between the plurality of metallic alloy layers in an alternating manner, wherein the thickness of each of the plurality of ceramic oxide layers is on a nano scale.
摘要翻译：纳米多层结构，组件和相关联的制造方法适用于包括多个金属合金层的高温应用，其中多个金属合金层中的每一个的厚度均为纳米级，并且多个陶瓷氧化物层以交替的方式设置在所述多个金属合金层之间，其中所述多个陶瓷氧化物层中的每一个的厚度为纳米级。

6. 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。

7. 发明申请

US20050045694A1 Friction stir welding apparatus and associated thermal management systems and methods 有权
标题翻译：摩擦搅拌焊接设备及相关热管理系统及方法
公开(公告)号：US20050045694A1
公开(公告)日：2005-03-03
申请号：US10651397
申请日：2003-08-29
申请人： Pazhayannur Subramanian , Earl Helder , Timothy Trapp , Mark Hunt , Timothy Stotler
发明人： Pazhayannur Subramanian , Earl Helder , Timothy Trapp , Mark Hunt , Timothy Stotler
IPC分类号： B23K20/12
CPC分类号： B23K20/126 , B23K20/122 , B23K20/1235 , B23K37/06
摘要： The present invention provides a friction stir welding apparatus and associated thermal management systems and methods for joining one or more similar or dissimilar materials forming a workpiece along a joint to be welded. The friction stir welding apparatus includes a pin tool apparatus selectively disposed adjacent to and in direct contact with a first surface of the workpiece along the joint to be welded and a heating member disposed adjacent to a second surface of the workpiece along the joint to be welded, the heating member operable for controllably heating at least a portion of the workpiece adjacent to the joint to be welded. The friction stir welding apparatus also includes an annular spindle having an interior portion and an axis, the interior portion of the annular spindle at least partially defining one or more cooling channels, the one or more cooling channels operable for containing a cooling fluid. The friction stir welding apparatus further includes a shoulder disposed adjacent to the annular spindle and substantially aligned with the axis of the annular spindle and a pin tool disposed adjacent to the shoulder and substantially aligned with the axis of the annular spindle. The cooling fluid is operable for cooling at least one of the shoulder and the pin tool.
摘要翻译：本发明提供了一种摩擦搅拌焊接装置和相关联的热管理系统和方法，用于沿着待焊接的接头接合形成工件的一种或多种相似或不同的材料。摩擦搅拌焊接装置包括：销工具装置，其选择性地设置为沿着待焊接的接头与工件的第一表面相邻并直接接触;以及加热构件，其沿着待焊接的接头设置在工件的第二表面附近，所述加热构件可操作用于可控地加热邻近待焊接接头的工件的至少一部分。摩擦搅拌焊接设备还包括具有内部部分和轴线的环形主轴，环形主轴的内部部分至少部分地限定一个或多个冷却通道，所述一个或多个冷却通道可操作用于容纳冷却流体。所述摩擦搅拌焊接装置还包括邻近所述环形心轴设置并与所述环形心轴的轴线基本对齐的肩部和邻近所述肩部设置并基本上与所述环形心轴的轴线对准的销工具。冷却流体可操作用于冷却肩部和销钉工具中的至少一个。

8. 发明授权

US10227678B2 Cobalt-nickel base alloy and method of making an article therefrom 有权
公开(公告)号：US10227678B2
公开(公告)日：2019-03-12
申请号：US13156638
申请日：2011-06-09
申请人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, Jr. , Kathleen Blanche Morey , Pazhayannur Subramanian
发明人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, Jr. , Kathleen Blanche Morey , Pazhayannur Subramanian
IPC分类号： C22C19/07 , C22C19/05 , C22F1/10
摘要： A high-temperature, high-strength, oxidation-resistant cobalt-nickel base alloy is disclosed. The alloy includes, in weight percent: about 3.5 to about 4.9% of Al, about 12.2 to about 16.0% of W, about 24.5 to about 32.0% Ni, about 6.5% to about 10.0% Cr, about 5.9% to about 11.0% Ta, and the balance Co and incidental impurities. A method of making an article having high-temperature strength, cyclic oxidation resistance and corrosion resistance is disclosed. The method includes forming a high-temperature, high-strength, oxidation-resistant cobalt-nickel base alloy as described herein; forming an article from the alloy; solution-treating the alloy by a solution heat treatment; and aging the alloy by providing at least one aging heat treatment at an aging temperature that is less than the gamma-prime solvus temperature, wherein the alloy is configured to form a continuous, protective, adherent oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment.

9. 发明申请

US20120312434A1 COBALT-NICKEL BASE ALLOY AND METHOD OF MAKING AN ARTICLE THEREFROM 审中-公开
标题翻译：钴镍基合金及其制备方法
公开(公告)号：US20120312434A1
公开(公告)日：2012-12-13
申请号：US13156638
申请日：2011-06-09
申请人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, JR. , Kathleen Blanche Morey , Pazhayannur Subramanian
发明人： Akane Suzuki , Andrew John Elliott , Michael Francis Xavier Gigliotti, JR. , Kathleen Blanche Morey , Pazhayannur Subramanian
IPC分类号： C22C30/00 , C22F1/16
CPC分类号： C22C19/07 , C22C19/057 , C22F1/10
摘要： A high-temperature, high-strength, oxidation-resistant cobalt-nickel base alloy is disclosed. The alloy includes, in weight percent: about 3.5 to about 4.9% of Al, about 12.2 to about 16.0% of W, about 24.5 to about 32.0% Ni, about 6.5% to about 10.0% Cr, about 5.9% to about 11.0% Ta, and the balance Co and incidental impurities. A method of making an article having high-temperature strength, cyclic oxidation resistance and corrosion resistance is disclosed. The method includes forming a high-temperature, high-strength, oxidation-resistant cobalt-nickel base alloy as described herein; forming an article from the alloy; solution-treating the alloy by a solution heat treatment; and aging the alloy by providing at least one aging heat treatment at an aging temperature that is less than the gamma-prime solvus temperature, wherein the alloy is configured to form a continuous, protective, adherent oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment.
摘要翻译：公开了高温，高强度，耐氧化的钴镍基合金。该合金包括重量百分比：约3.5至约4.9％的Al，约12.2至约16.0％的W，约24.5至约32.0％的Ni，约6.5％至约10.0％的Cr，约5.9％至约11.0％ Ta，余量Co和杂质。公开了制造具有高温强度，耐环氧化和耐腐蚀性的制品的方法。该方法包括形成如本文所述的高温，高强度，耐氧化的钴镍基合金; 从合金制成制品; 通过固溶热处理对合金进行溶解处理; 并且通过在低于γ'溶质温度的老化温度下提供至少一种时效热处理来老化合金，其中该合金构造成在暴露于合金表面时在合金表面上形成连续的，保护性的粘附氧化物层高温氧化环境。

10. 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％。

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