公开(公告)号：US20080145649A1

公开(公告)日：2008-06-19

申请号：US11610826

申请日：2006-12-14

Applicant: Uma Devi Mannem ,  Krishnamurthy Anand ,  Dennis Michael Gray ,  Farshad Ghasripoor

Inventor： Uma Devi Mannem ,  Krishnamurthy Anand ,  Dennis Michael Gray ,  Farshad Ghasripoor

IPC: B32B18/00 ,  B05D1/36 ,  C04B35/58 ,  C04B35/515

CPC classification number: F01D5/288 ,  C10M111/00 ,  C10M111/04 ,  C10M169/04 ,  C10M2201/041 ,  C10M2201/0413 ,  C10M2201/05 ,  C10M2201/053 ,  C10M2201/061 ,  C10M2201/0613 ,  C10M2201/062 ,  C10M2201/0623 ,  C10M2201/065 ,  C10M2201/0653 ,  C10M2201/066 ,  C10M2201/0663 ,  C10M2201/0803 ,  C10M2201/081 ,  C10M2201/084 ,  C10M2201/1006 ,  C10M2201/103 ,  C10M2201/1033 ,  C10M2213/062 ,  C10M2213/0623 ,  C10N2210/00 ,  C10N2210/02 ,  C10N2210/03 ,  C10N2210/04 ,  C10N2210/06 ,  C10N2210/08 ,  C10N2220/082 ,  C10N2230/06 ,  C10N2240/12 ,  C10N2250/18 ,  C23C4/04 ,  C23C30/00 ,  F05C2201/0433 ,  F05D2230/311 ,  F05D2230/312 ,  F05D2240/50 ,  F05D2300/21 ,  F05D2300/603 ,  Y10T428/265 ,  Y10T428/31678

Abstract: A coating composition is described, containing (a) a metallic matrix based on nickel, cobalt, iron; or combinations thereof; (b) a ceramic phase, containing at least one metal boride or metal silicide compound; and (c) a lubricant phase. Methods of providing wear-resistance and low-friction characteristics to an article (e.g., a gas turbine) are also described, using the coating composition. Related structures are also discussed.

Abstract translation: 描述了一种涂料组合物，其包含（a）基于镍，钴，铁的金属基体; 或其组合; （b）含有至少一种金属硼化物或金属硅化物的陶瓷相; 和（c）润滑剂相。 还使用涂料组合物来描述向制品（例如燃气轮机）提供耐磨性和低摩擦特性的方法。 还讨论了相关结构。

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

IPC: B22F3/16 ,  C22C1/05 ,  C22C19/05 ,  C22C38/18

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。

公开(公告)号：US20050079370A1

公开(公告)日：2005-04-14

申请号：US10684061

申请日：2003-10-10

Applicant: Reed Corderman ,  Pazhayannur Subramanian ,  Dheepa Srinivasan ,  Dennis Gray ,  Krishnamurthy Anand

Inventor： Reed Corderman ,  Pazhayannur Subramanian ,  Dheepa Srinivasan ,  Dennis Gray ,  Krishnamurthy Anand

IPC: B32B15/04 ,  B32B9/00 ,  B82B1/00 ,  C23C14/06 ,  C23C14/34 ,  C23C16/00 ,  C23C28/00 ,  F01D5/28

CPC classification number: 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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US09365932B2

公开(公告)日：2016-06-14

申请号：US13528149

申请日：2012-06-20

Applicant: Krishnamurthy Anand ,  Yuk-Chiu Lau ,  Paul Mathew ,  Surinder Singh Pabla ,  Guruprasad Sundararajan ,  Mohandas Nayak

Inventor： Krishnamurthy Anand ,  Yuk-Chiu Lau ,  Paul Mathew ,  Surinder Singh Pabla ,  Guruprasad Sundararajan ,  Mohandas Nayak

IPC: C23C30/00 ,  F01D5/28

CPC classification number: C23C30/00 ,  F01D5/288 ,  F05D2230/90 ,  Y02T50/672 ,  Y10T428/12611

Abstract: A compressor blade for use in a compressor section of a gas turbine engine, comprising: a martensitic stainless steel compressor blade and an abrasive coating having an anodic component. The compressor blade has a blade portion, a dovetail portion and a platform portion intermediate the blade portion and the dovetail portion, the blade portion terminating in a tip opposite the dovetail portion. A cobalt-based coating overlies at least the blade portion of the compressor blade. The cobalt-based coating comprises a cobalt based material that includes precipitates of tungsten carbide that provide erosion resistance and particles of a sacrificial metal-based material distributed through the cobalt-based coating that provide galvanic corrosion resistance to the system.

Abstract translation: 一种用于燃气涡轮发动机的压缩机部分的压缩机叶片，包括：马氏体不锈钢压缩机叶片和具有阳极组分的磨料涂层。 压缩机叶片具有叶片部分，燕尾部分和在叶片部分和燕尾部分之间的平台部分，叶片部分终止于与燕尾部分相对的尖端。 钴基涂层至少覆盖压缩机叶片的叶片部分。 钴基涂层包括钴基材料，其包括提供耐腐蚀性的碳化钨的沉淀物和分布在钴基涂层上的牺牲金属基材料的颗粒，其为系统提供电镀腐蚀性。

公开(公告)号：US08974588B2

公开(公告)日：2015-03-10

申请号：US13248105

申请日：2011-09-29

Applicant: Yuk-Chiu Lau ,  Surinder Singh Pabla ,  David Vincent Bucci ,  Paul Mathew ,  Ronald Ralph Cairo ,  Krishnamurthy Anand ,  Guruprasad Sundararajan ,  Mohandas Nayak ,  Eklavya Calla

Inventor： Yuk-Chiu Lau ,  Surinder Singh Pabla ,  David Vincent Bucci ,  Paul Mathew ,  Ronald Ralph Cairo ,  Krishnamurthy Anand ,  Guruprasad Sundararajan ,  Mohandas Nayak ,  Eklavya Calla

IPC: C09D1/00 ,  C23C24/04 ,  C23C30/00 ,  C22C19/07 ,  C23C18/16 ,  C23C18/44

CPC classification number: C23C24/04 ,  C22C19/07 ,  C23C18/1635 ,  C23C18/44 ,  C23C30/00

Abstract: A coating composition, a process of applying a coating having a coating composition, and a process of forming a coating composition are disclosed. The coating composition includes an alloy and an oxide component comprising nickel oxide. The process of applying the coating includes cold spraying the coating onto the article. The process of forming the coating composition includes blending and milling the alloy with the oxide component.

Abstract translation: 公开了一种涂料组合物，涂布具有涂料组合物的涂料的方法和一种形成涂料组合物的方法。 涂料组合物包括合金和包含氧化镍的氧化物组分。 施加涂层的过程包括将涂层冷喷涂到制品上。 形成涂料组合物的方法包括将合金与氧化物组分混合和研磨。

公开(公告)号：US08790789B2

公开(公告)日：2014-07-29

申请号：US12128849

申请日：2008-05-29

Applicant: Thodla Ramgopal ,  Krishnamurthy Anand ,  David Vincent Bucci ,  Nitin Jayaprakash ,  Jane Marie Lipkin ,  Tamara Jean Muth ,  Surinder Singh Pabla ,  Vinod Kumar Pareek ,  Guru Prasad Sundararajan

Inventor： Thodla Ramgopal ,  Krishnamurthy Anand ,  David Vincent Bucci ,  Nitin Jayaprakash ,  Jane Marie Lipkin ,  Tamara Jean Muth ,  Surinder Singh Pabla ,  Vinod Kumar Pareek ,  Guru Prasad Sundararajan

IPC: B32B15/04 ,  C23C4/04 ,  C23C4/06 ,  C23C30/00 ,  B05D1/00 ,  B05D1/02 ,  B05D7/14 ,  C22C19/07 ,  F01D5/14

CPC classification number: C23C4/06 ,  C23C30/00 ,  Y02T50/67 ,  Y10T428/12014 ,  Y10T428/12028 ,  Y10T428/12063 ,  Y10T428/12576 ,  Y10T428/12931 ,  Y10T428/12937

Abstract: Disclosed herein is an erosion and corrosion resistant coating comprising a metallic binder, a plurality of hard particles, and a plurality of sacrificial particles. Also disclosed is a method of improving erosion and corrosion resistance of a metal component comprising disposing on a surface of the metal component the foregoing erosion and corrosion resistant coating comprising, and a metal component comprising a metal component surface and the foregoing erosion and corrosion resistant coating comprising a first surface and a second surface opposite the first surface, wherein the first surface is disposed on the metal component surface.

Abstract translation: 本文公开了一种防腐和耐腐蚀涂层，其包含金属粘合剂，多个硬颗粒和多个牺牲颗粒。 还公开了一种改善金属部件的耐腐蚀和耐腐蚀性的方法，包括在金属部件的表面上设置上述耐腐蚀和耐腐蚀涂层，其包括金属组分表面和上述耐腐蚀和耐腐蚀涂层 包括与所述第一表面相对的第一表面和第二表面，其中所述第一表面设置在所述金属部件表面上。

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

IPC: B05D1/02 ,  B05D3/00 ,  B05D3/02 ,  B05D3/12 ,  C22C21/00 ,  C22C14/00

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。

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

IPC: B32B15/20 ,  B05D5/00 ,  B05D3/02 ,  B05D3/00 ,  B05D1/02 ,  B05D3/12

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。

公开(公告)号：US08337996B2

公开(公告)日：2012-12-25

申请号：US12951350

申请日：2010-11-22

Applicant: Surinder Singh Pabla ,  Vinod Kumar Pareek ,  Suchismita Sanyal ,  Krishnamurthy Anand ,  Prajina Bhattacharya

Inventor： Surinder Singh Pabla ,  Vinod Kumar Pareek ,  Suchismita Sanyal ,  Krishnamurthy Anand ,  Prajina Bhattacharya

IPC: B21D39/00

CPC classification number: C23C24/08 ,  C23C28/321 ,  C23C28/3215 ,  C23C28/345 ,  C23C28/3455 ,  C23C28/36 ,  Y02T50/67 ,  Y10T428/12549 ,  Y10T428/12611

Abstract: A vanadium resistant coating system resistant to high temperature vanadium attack. The system comprises a high temperature superalloy substrate. A bond coat overlies the superalloy substrate. The bond coat may be applied in multiple layers. A ceramic coating overlies the bond coat. The ceramic coating further comprises a zirconium oxide stabilized by at least one cation selected from the group consisting of Yb3+, Lu3+, Sc3+ and Ce4+, in the amounts of about 5-10 weight percent. An overcoat may overlie the ceramic coating. The overcoat may be a sacrificial layer of YSZ infiltrated with cations having an atomic radius larger than Y3+. Alternatively, the overcoat may comprise zirconium oxide stabilized by Ce4+.

Abstract translation: 耐高温钒攻击的耐钒涂层体系。 该系统包括高温超合金基底。 粘合涂层覆盖在超合金基板上。 粘合涂层可以多层施用。 陶瓷涂层覆盖在粘结层上。 所述陶瓷涂层还包含以约5-10重量％的量由至少一种选自Yb3 +，Lu3 +，Sc3 +和Ce4 +的阳离子稳定的氧化锆。 外涂层可能覆盖陶瓷涂层。 外涂层可以是原子半径大于Y 3 +的阳离子渗透的YSZ的牺牲层。 或者，外涂层可以包括由Ce 4+稳定的氧化锆。

公开(公告)号：US08268237B2

公开(公告)日：2012-09-18

申请号：US12350517

申请日：2009-01-08

Applicant: Eklavya Calla ,  Krishnamurthy Anand ,  Pazhayannur Ramanathan Subramanian ,  Sanjay Kumar Sondhi ,  Ramkumar Oruganti

Inventor： Eklavya Calla ,  Krishnamurthy Anand ,  Pazhayannur Ramanathan Subramanian ,  Sanjay Kumar Sondhi ,  Ramkumar Oruganti

IPC: C22C19/05 ,  C22C1/05 ,  B05D3/00

CPC classification number: B22F1/0044 ,  B22F9/04 ,  B22F2999/00 ,  C22C1/0433 ,  C23C24/04 ,  Y02T50/67 ,  B22F2202/03

Abstract: A method of coating a substrate with cryo-milled, nano-grained particles includes forming a face-centered-cubic gamma matrix comprising nickel, cobalt, chromium, tungsten and molybdenum, adding a dispersion strengthening material to the gamma matrix to form a first mixture, cryo-milling the first mixture to form a second mixture to form a nano-grained structure, and cold spraying the second mixture onto a substrate to form a coating having a nano-grained structure.

Abstract translation: 用低温研磨的纳米颗粒涂覆基材的方法包括形成包含镍，钴，铬，钨和钼的面心立方γ基体，向γ基质中加入分散强化材料以形成第一混合物 ，冷冻研磨第一混合物以形成第二混合物以形成纳米晶粒结构，并将第二混合物冷喷涂到基底上以形成具有纳米晶粒结构的涂层。