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公开(公告)号：US20130189441A1
公开(公告)日：2013-07-25
申请号：US13801478
申请日：2013-03-13
Applicant: General Electric Company
Inventor： Surinder Singh Pabla , Joshua Lee Margolies , Eklavya Calla , Padmaja Parakala
IPC: C23C4/12
Abstract: A process of fabricating a thermal barrier coating is disclosed. The process includes cold spraying a substrate with a feedstock to form a thermal barrier coating and concurrently oxidizing one or more of the substrate, the feedstock, and the thermal barrier coating. The cold spraying is in a region having an oxygen concentration of at least 10%. In another embodiment, the process includes heating a feedstock with a laser and cold spraying a substrate with the feedstock to form a thermal barrier coating. At least a portion of the feedstock is retained in the thermal barrier coating. In another embodiment, the process of fabricating a thermal barrier coating includes heating a substrate with a laser and cold spraying the substrate with a feedstock to form a thermal barrier coating.
Abstract translation: 公开了一种制造隔热涂层的工艺。 该方法包括用原料冷却基材以形成热障涂层并同时氧化基材，原料和热障涂层中的一种或多种。 冷喷雾处于氧浓度为10％以上的区域。 在另一个实施方案中，该方法包括用激光加热原料并用原料冷却喷涂基材以形成热障涂层。 原料的至少一部分保留在热障涂层中。 在另一个实施方案中，制造热障涂层的方法包括用激光加热衬底并用原料冷喷涂衬底以形成热障涂层。
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公开(公告)号：US20200263558A1
公开(公告)日：2020-08-20
申请号：US16280261
申请日：2019-02-20
Applicant: General Electric Company
IPC: F01D11/12
Abstract: Various embodiments include honeycomb structures including an abradable material, and a method of applying such honeycomb structures to steel components of a gas turbine engine in order to reduce rub damage. Particular embodiments include a honeycomb structure having a plurality of cells, each cell of the plurality of cells including a cell wall surrounding a void, and an abradable material within the void of each cell of the plurality of cells, the abradable material including a metallic alloy and hollow particles.
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公开(公告)号：US20200263307A1
公开(公告)日：2020-08-20
申请号：US16280283
申请日：2019-02-20
Applicant: General Electric Company
Inventor： Krishnamurthy Anand , Eklavya Calla , Biju Dasan , Surinder Singh Pabla , Priyanka Saxena
Abstract: Various embodiments include a dense abradable coating, a method of reducing rub damage to a turbine engine part by applying the dense abradable coating thereto, and a turbine engine part having the abradable coating thereon. Particular embodiments include a dense abradable coating including a pore-free metallic composite, a high-aluminum containing brittle alloy, and a plurality of hollow abradable particles.
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公开(公告)号：US09548518B2
公开(公告)日：2017-01-17
申请号：US14572216
申请日：2014-12-16
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Sundeep Kumar , Eklavya Calla , Mohamed Rahmane
CPC classification number: H01M10/38 , B23K1/0016 , B23K1/19 , B23K1/20 , B23K35/24 , B23K2101/36 , B23K2103/02 , B23K2103/04 , B23K2103/05 , B23K2103/08 , B23K2103/18 , B23K2103/26 , B23K2103/52 , H01M2/08 , H01M10/399 , H01M2300/0054
Abstract: A method for joining a ceramic component to a metallic component is described. At least one initial layer of an active metal is applied to one of the joining surfaces, by a cold spray technique. At least one second layer of a nickel-based braze composition is then applied over the initial layer by cold-spraying. The braze composition and components are then heated, so as to form an active braze joint between them. A method of sealing an open region of a sodium metal halide-based battery is also disclosed, using the brazing technique described herein to form braze joints that seal various components in the battery cells, such as metallic rings and ceramic collar structures.
Abstract translation: 描述了将陶瓷组分接合到金属组分的方法。 通过冷喷涂技术将至少一个活性金属的初始层施加到一个接合表面。 然后通过冷喷涂将至少一层第二层镍基钎焊组合物施加在初始层上。 然后将钎焊组合物和组分加热，以便在它们之间形成活性钎焊接头。 还公开了一种密封钠金属卤化物基电池的开放区域的方法，使用本文所述的钎焊技术形成密封电池单元（例如金属环和陶瓷套环结构）中的各种部件的钎焊接头。
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公开(公告)号：US09347126B2
公开(公告)日：2016-05-24
申请号：US13801478
申请日：2013-03-13
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Surinder Singh Pabla , Joshua Lee Margolies , Eklavya Calla , Padmaja Parakala
Abstract: A process of fabricating a thermal barrier coating is disclosed. The process includes cold spraying a substrate with a feedstock to form a thermal barrier coating and concurrently oxidizing one or more of the substrate, the feedstock, and the thermal barrier coating. The cold spraying is in a region having an oxygen concentration of at least 10%. In another embodiment, the process includes heating a feedstock with a laser and cold spraying a substrate with the feedstock to form a thermal barrier coating. At least a portion of the feedstock is retained in the thermal barrier coating. In another embodiment, the process of fabricating a thermal barrier coating includes heating a substrate with a laser and cold spraying the substrate with a feedstock to form a thermal barrier coating.
Abstract translation: 公开了一种制造隔热涂层的工艺。 该方法包括用原料冷却基材以形成热障涂层并同时氧化基材，原料和热障涂层中的一种或多种。 冷喷雾处于氧浓度为10％以上的区域。 在另一个实施方案中，该方法包括用激光加热原料并用原料冷却喷涂基材以形成热障涂层。 原料的至少一部分保留在热障涂层中。 在另一个实施方案中，制造热障涂层的方法包括用激光加热衬底并用原料冷喷涂衬底以形成热障涂层。
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Patent Agency Ranking
公开(公告)号：US20160010471A1
公开(公告)日：2016-01-14
申请号：US13793189
申请日：2013-03-11
Applicant: General Electric Company
Inventor： Surinder Singh Pabla , Kirshnamurthy Anand , Murali Krishna Kalaga , Joshua Lee Margolies , Eklavya Calla , Padmaja Parakala
CPC classification number: F01D5/288 , C04B35/48 , C04B35/50 , C04B35/62805 , C04B35/62884 , C04B35/62886 , C04B2235/3224 , C04B2235/3227 , C04B2235/3246 , C04B2235/5436 , C04B2235/72 , C04B2235/9607 , C23C4/11 , F01D5/225 , F01D9/041 , F02C7/25 , F05D2220/32 , F05D2230/90 , F05D2240/35 , F05D2260/231 , F05D2300/2118
Abstract: A coating system and a method of forming the coating system capable of enabling components to survive in high temperatures environments, such as the hostile thermal environment of a gas turbine. The coating system is formed of a ceramic powder having powder particles each having an inner core formed of a first material and an outer region formed of a second material on the surface of the inner core. The inner core has a lower thermal conductivity than the outer region and the outer region has improved erosion resistance relative to the inner core.
Abstract translation: 涂覆系统和形成涂层系统的方法，其能够使组分在诸如燃气轮机的恶劣热环境的高温环境中存活。 该涂层系统由具有由第一材料形成的内芯和在内芯表面上由第二材料形成的外部区域的粉末颗粒形成的陶瓷粉末形成。 内芯具有比外部区域更低的热导率，并且外部区域相对于内部芯部具有改善的耐腐蚀性。
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公开(公告)号：US20240158921A1
公开(公告)日：2024-05-16
申请号：US17987101
申请日：2022-11-15
Applicant: General Electric Company
Inventor： Eklavya Calla , Biju Dasan , Ritwik Biswas , Maxim Konter
IPC: C23C24/04
CPC classification number: C23C24/04
Abstract: A composition includes aluminum (Al), and a blend of a carbide and nickel-chromium (Ni-20Cr). The method of applying a coating composition includes blending a carbide and nickel-chromium (Ni-20Cr) with aluminum (Al) to form a composition, the carbide and the nickel-chromium (Ni-20Cr) in a range between 90% and about 99.5% by weight of the composition, and wherein the aluminum (Al) is in a range between about 0.5% and less than about 10% by weight of the composition; and spraying the composition on the turbine component.
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公开(公告)号：US20220290285A1
公开(公告)日：2022-09-15
申请号：US17231172
申请日：2021-04-15
Applicant: General Electric Company
Inventor： Surinder Singh Pabla , Eklavya Calla , Mohandas Nayak , Arundhati Sengupta , Adarsh Shukla , Jon Conrad Schaeffer , Krishnamurthy Anand
Abstract: A high entropy ceramic (HEC) composition includes at least three different rare earth (RE) oxides and at least one of hafnium dioxide (HfO2) and zirconia oxide (ZrO2). The at least three different rare earth oxides being equimolar fractions. In one aspect, the high entropy ceramic (HEC) composition can be used in a thermal barrier coating.
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公开(公告)号：US10711636B2
公开(公告)日：2020-07-14
申请号：US14977833
申请日：2015-12-22
Applicant: General Electric Company
Inventor： Eklavya Calla , Joydeep Pal , Krishnamurthy Anand
Abstract: A system for coating a component is provided. The system includes a feedstock supply, a carrier fluid supply, and a thermal spray gun coupled in flow communication with the feedstock supply and the carrier fluid supply. The feedstock supply contains a substantially homogeneous powder mixture of a first powder and a second powder. The second powder is softer than the first powder and has a percentage by mass of the powder mixture of between about 0.1% and about 3.0%.
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公开(公告)号：US20190009300A1
公开(公告)日：2019-01-10
申请号：US15642622
申请日：2017-07-06
Applicant: General Electric Company
Inventor： Anantharaman Mahalingam , Prabhakaran Manogharan , Shalini Thimmegowda , Eklavya Calla , Gopi Chandran Ramachandran
Abstract: A method for repairing a Ni-based alloy component is prepared. The method may include preparing a surface of the Ni-based alloy component for receiving a cold spray repair; spraying a stream of particles onto a the surface of the Ni-based alloy component to form a coating thereon; and removing any over-spray on the surface of the Ni-based alloy component. The particles may be formed from an alloy material having a melting point such that the particles are sprayed at a spray temperature that is less than the melting point of the alloy material.
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