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1.发明授权Titanium aluminide application process and article with titanium aluminide surface 有权钛化铝涂层工艺和钛铝化物表面的制品公开(公告)号：US08475882B2
公开(公告)日：2013-07-02
申请号：US13276568
申请日：2011-10-19
Applicant: Jon Conrad Schaeffer , Krishnamurthy Anand , Sundar Amancherla , Eklayva Calla
Inventor： Jon Conrad Schaeffer , Krishnamurthy Anand , Sundar Amancherla , Eklayva Calla
CPC classification number: C22F1/04 , B22F1/0003 , C21D7/06 , C21D9/0068 , C22C14/00 , C22C21/00 , C23C24/04 , F01D5/005 , F01D25/00 , F05D2230/80
Abstract: A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.
Abstract translation: 公开了一种铝化钛涂层工艺和具有铝化钛表面的制品。 该方法包括将铝化铝冷镀在处理区域内的制品上以形成铝化钛表面。 钛化铝表面包括精炼的γ/α2结构和/或钛铝化物由预合金粉末的固体原料冷喷涂。
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2.发明申请公开(公告)号：US20130101459A1
公开(公告)日：2013-04-25
申请号：US13276568
申请日：2011-10-19
Applicant: Jon Conrad SCHAEFFER , Krishnamurthy ANAND , Sundar AMANCHERLA , Eklayva CALLA
Inventor： Jon Conrad SCHAEFFER , Krishnamurthy ANAND , Sundar AMANCHERLA , Eklayva CALLA
CPC classification number: C22F1/04 , B22F1/0003 , C21D7/06 , C21D9/0068 , C22C14/00 , C22C21/00 , C23C24/04 , F01D5/005 , F01D25/00 , F05D2230/80
Abstract: A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.
Abstract translation: 公开了一种铝化钛涂层工艺和具有铝化钛表面的制品。 该方法包括将铝化铝冷镀在处理区域内的制品上以形成铝化钛表面。 钛化铝表面包括精炼的γ/α2结构和/或钛铝化物从预合金粉末的固体原料冷喷涂。
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公开(公告)号：US20130042456A1
公开(公告)日：2013-02-21
申请号：US13211473
申请日：2011-08-17
Applicant: Krishnamurthy ANAND , Surinder Singh PABLA , Sundar AMANCHERLA , Paul MATHEW
Inventor： Krishnamurthy ANAND , Surinder Singh PABLA , Sundar AMANCHERLA , Paul MATHEW
CPC classification number: F01D11/005 , F16J15/3288 , Y10T29/49826
Abstract: A self-lubricating brush seal assembly, for a power generation system and method of reducing air leakage in a power generation system including a plurality of self-lubricating members is provided. The plurality of self-lubricating members include a plurality of self-lubricating bristles, a plurality of cores sheathed in a self-lubricating braid, a plurality of cores having an outer diameter coated with self-lubricating material and a solid lubricating pack. The lubricating material is selected from graphite, hexagonal-boron nitrite (hBN), molybdenum disulfide (MoS2), tungsten disulfide (WS2), titanium nitride (TiN), titanium aluminum nitride (TiAlN), titanium carbonitride (TiCN), and combinations thereof.
Abstract translation: 本发明提供一种自润滑刷密封组件，用于发电系统和减少包括多个自润滑构件的发电系统中的空气泄漏的方法。 多个自润滑构件包括多个自润滑刷毛，包覆在自润滑编织物中的多个芯，具有涂覆有自润滑材料的外径的多个芯和固体润滑包。 润滑材料选自石墨，六亚硼酸亚铁（hBN），二硫化钼（MoS2），二硫化钨（WS2），氮化钛（TiN），氮化钛（TiAlN），碳氮化钛（TiCN）及其组合 。
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4.发明申请公开(公告)号：US20070151639A1
公开(公告)日：2007-07-05
申请号：US11324458
申请日：2006-01-03
Applicant: Ramkumar Oruganti , Pazhayannur Subramanian , Michael Gigliotti , Luana Iorio , Craig Young , Suchismita Sanyal , Dheepa Srinivasan , Sundar Amancherla
Inventor： Ramkumar Oruganti , Pazhayannur Subramanian , Michael Gigliotti , Luana Iorio , Craig Young , Suchismita Sanyal , Dheepa Srinivasan , Sundar Amancherla
CPC classification number: 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
Abstract: 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.
Abstract translation: 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。
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5.发明申请Metallic alloy nanocomposite for high-temperature structural components and methods of making 审中-公开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
Applicant: Pazhayannur Subramanian , Thomas Angeliu , Reed Corderman , Shyh-Chin Huang , Judson Marte , Dennis Gray , Krishnamurthy Anand , Dheepa Srinivasan , Ramkumar Oruganti , Sundar Amancherla
Inventor： Pazhayannur Subramanian , Thomas Angeliu , Reed Corderman , Shyh-Chin Huang , Judson Marte , Dennis Gray , Krishnamurthy Anand , Dheepa Srinivasan , Ramkumar Oruganti , Sundar Amancherla
CPC classification number: C22C1/05 , B22F3/162 , B22F2009/041 , B22F2998/00 , B22F2998/10 , B22F2999/00 , B22F9/04 , B22F3/16 , B22F1/0018
Abstract: 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.
Abstract translation: 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。
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Patent Agency Ranking
公开(公告)号：US09074487B2
公开(公告)日：2015-07-07
申请号：US13211473
申请日：2011-08-17
Applicant: Krishnamurthy Anand , Surinder Singh Pabla , Sundar Amancherla , Paul Mathew
Inventor： Krishnamurthy Anand , Surinder Singh Pabla , Sundar Amancherla , Paul Mathew
CPC classification number: F01D11/005 , F16J15/3288 , Y10T29/49826
Abstract: A self-lubricating brush seal assembly, for a power generation system and method of reducing air leakage in a power generation system including a plurality of self-lubricating members is provided. The plurality of self-lubricating members include a plurality of self-lubricating bristles, a plurality of cores sheathed in a self-lubricating braid, a plurality of cores having an outer diameter coated with self-lubricating material and a solid lubricating pack. The lubricating material is selected from graphite, hexagonal-boron nitrite (hBN), molybdenum disulfide (MoS2), tungsten disulfide (WS2), titanium nitride (TiN), titanium aluminum nitride (TiAlN), titanium carbonitride (TiCN), and combinations thereof.
Abstract translation: 本发明提供一种自润滑刷密封组件，用于发电系统和减少包括多个自润滑构件的发电系统中的空气泄漏的方法。 多个自润滑构件包括多个自润滑刷毛，包覆在自润滑编织物中的多个芯，具有涂覆有自润滑材料的外径的多个芯和固体润滑包。 润滑材料选自石墨，六亚硼酸亚铁（hBN），二硫化钼（MoS2），二硫化钨（WS2），氮化钛（TiN），氮化钛（TiAlN），碳氮化钛（TiCN）及其组合 。
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7.发明申请公开(公告)号：US20130177705A1
公开(公告)日：2013-07-11
申请号：US13344290
申请日：2012-01-05
Applicant: EKLAVYA CALLA , SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND
Inventor： EKLAVYA CALLA , SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND
CPC classification number: C23C24/04 , C23C28/021 , C23C28/022 , C23C28/027
Abstract: A process for applying a bond coat layer to a substrate includes cold spraying a first powdered material onto a surface of the substrate at a first velocity, wherein the first powdered material has a first particle size distribution; and cold spraying a second powdered material onto the surface at a second velocity to form the bond coat layer, wherein the second powdered material has a second particle size distribution and the bond coat layer comprises a microstructure comprising at least the first and second particle sizes.
Abstract translation: 将粘合涂层施加到基底的方法包括以第一速度将第一粉末材料冷喷涂到基底的表面上，其中第一粉末材料具有第一粒度分布; 并以第二速度将第二粉末材料冷喷涂到所述表面上以形成所述粘合涂层，其中所述第二粉末材料具有第二粒度分布，并且所述粘结涂层包含至少包含所述第一和第二颗粒尺寸的微结构。
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公开(公告)号：US20130001278A1
公开(公告)日：2013-01-03
申请号：US13614278
申请日：2012-09-13
Applicant: Laurent Cretegny , Sundar Amancherla , Jeffrey Jon Schoonover , Balasubramaniam Vaidhyanathan
Inventor： Laurent Cretegny , Sundar Amancherla , Jeffrey Jon Schoonover , Balasubramaniam Vaidhyanathan
IPC: B23K1/20
CPC classification number: B23K1/0018 , B23K1/005 , B23K35/22 , Y10T428/12063 , Y10T428/12139
Abstract: Braze materials and processes for using braze materials, such as for use in the manufacturing, coating, repair, and build-up of superalloy components. The braze material contains a plurality of first particles of a metallic material having a melting point, and a plurality of second particles comprising at least one nonmetallic material chosen from the group consisting of oxides, carbides, and nitrides of at least one metal. The nonmetallic material is more susceptible to heating by microwave radiation than the metallic material of the first particles, and the nonmetallic material is present in the braze material in an amount sufficient to enable the first particles to completely melt when the first and second particles are subjected to heating by microwave radiation.
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9.发明申请COATING, A TURBINE COMPONENT, AND A PROCESS OF FABRICATING A TURBINE COMPONENT 审中-公开涂料，涡轮组件和制造涡轮机组件的工艺公开(公告)号：US20130180432A1
公开(公告)日：2013-07-18
申请号：US13352562
申请日：2012-01-18
Applicant: Eklavya CALLA , Warren Arthur NELSON , Paul Stephen DIMASCIO , Krishnamurthy ANAND , Sundar AMANCHERLA , Maruthi MANCHIKANTI
Inventor： Eklavya CALLA , Warren Arthur NELSON , Paul Stephen DIMASCIO , Krishnamurthy ANAND , Sundar AMANCHERLA , Maruthi MANCHIKANTI
IPC: C09D1/00
Abstract: Disclosed is a coating, a turbine component, and a process of fabricating a turbine component. The coating includes a ceramic phase formed by ceramic particles and a ductile matrix having a ductility greater than the ceramic phase. The ceramic phase includes substantially the same microstructure as the ceramic particles. The turbine component includes a surface having the coating. The process includes applying the coating to the surface of the turbine component.
Abstract translation: 公开了涂层，涡轮机部件和制造涡轮部件的工艺。 涂层包括由陶瓷颗粒形成的陶瓷相和延展性大于陶瓷相的延性基体。 陶瓷相包括与陶瓷颗粒基本相同的微观结构。 涡轮机部件包括具有该涂层的表面。 该方法包括将涂层施加到涡轮部件的表面。
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公开(公告)号：US20130177437A1
公开(公告)日：2013-07-11
申请号：US13344363
申请日：2012-01-05
Applicant: SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND , EKLAVYA CALLA , JON CONRAD SCHAEFFER , HARIHARAN SUNDARAM
Inventor： SUNDAR AMANCHERLA , KRISHNAMURTHY ANAND , EKLAVYA CALLA , JON CONRAD SCHAEFFER , HARIHARAN SUNDARAM
CPC classification number: C23C4/02 , C23C4/06 , C23C4/08 , C23C4/18 , C23C24/04 , C23C28/022 , C23C28/027
Abstract: A process for applying a hard coating to a turbine rotor comprising providing a turbine rotor having at least one surface; applying a first coating to the at least one surface, the first coating being cold sprayed onto the at least one surface; applying a second coating onto the first coating to form the hard coating, wherein the hard coating is configured to substantially resist wear of a brush seal in physical communication with the turbine rotor.
Abstract translation: 一种将硬涂层施加到涡轮转子的方法，包括提供具有至少一个表面的涡轮转子; 将第一涂层施加到所述至少一个表面，所述第一涂层被冷喷涂到所述至少一个表面上; 将第二涂层施加到所述第一涂层上以形成所述硬涂层，其中所述硬涂层构造成基本上抵抗与所述涡轮转子物理连通的刷密封件的磨损。
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