公开(公告)号：US20130135078A1

公开(公告)日：2013-05-30

申请号：US13684596

申请日：2012-11-26

Applicant: General Electric Company

Inventor： Mohandas NAYAK ,  Sundeep KUMAR ,  Padmaja PARAKALA ,  Sudhakar Eddula REDDY

IPC: H01C13/02 ,  C22C5/06 ,  B22F7/02 ,  C04B35/453

CPC classification number: H01C13/02 ,  B22F7/02 ,  B22F7/06 ,  B22F2203/11 ,  B22F2207/01 ,  B22F2998/10 ,  B32B9/00 ,  B32B15/00 ,  C04B35/453 ,  C22C5/06 ,  C22C29/12 ,  C22C32/0021 ,  H01C7/18 ,  H01C13/00 ,  B22F3/02 ,  B22F3/1017

Abstract: According to one embodiment, a monolithic cassette with graded electrical resistivity is presented. The monolithic cassette has a continuous grain structure between a first end and a second end; wherein electrical resistivity of the monolithic cassette is graded such that the resistance varies continuously from the first end to the second end. Methods and compositions for forming the monolithic cassette are also presented.

Abstract translation: 根据一个实施例，提出了具有分级电阻率的整体式盒式磁带。 整体式盒式磁带在第一端和第二端之间具有连续的晶粒结构; 其中单片盒的电阻率被分级，使得电阻从第一端到第二端连续变化。 还提出了用于形成整体式盒的方法和组合物。

公开(公告)号：US20160215630A1

公开(公告)日：2016-07-28

申请号：US13941673

申请日：2013-07-15

Applicant: General Electric Company

Inventor： Kalaga Murali KRISHNA ,  Padmaja PARAKALA ,  Surinder Singh PABLA

IPC: F01D5/28 ,  C09D5/08 ,  C08K3/34 ,  C08K3/30 ,  C09D5/10 ,  C08K3/26 ,  C09D163/00 ,  C09D7/12

CPC classification number: F01D5/288 ,  C08K3/26 ,  C08K3/30 ,  C08K3/34 ,  C08K3/346 ,  C08K2003/265 ,  C08K2003/3045 ,  C09D5/08 ,  C09D5/106 ,  C09D7/61 ,  C09D163/00 ,  C09D163/04

Abstract: A coating, a coated turbine component, and a coating process are disclosed. The coating includes an epoxy-polyamide structure formed from a coating composition comprising a phenolic resin and a curing agent, the phenolic resin comprising a bisphenol F constituent and an epichlorohydrin constituent. The coating composition is solvent-free or substantially solvent-free. The cured coating is cross-linked from curing below 120° C., from curing using infrared-microwave radiation, or a combination thereof. The coated turbine component includes a surface and the coating. The coating process includes applying the coating and curing the coating.

Abstract translation: 公开了一种涂层，涂覆的涡轮机部件和涂覆方法。 涂层包括由包含酚醛树脂和固化剂的涂料组合物形成的环氧 - 聚酰胺结构，酚醛树脂包含双酚F组分和表氯醇组分。 涂料组合物是无溶剂的或基本上无溶剂的。 固化的涂层在120℃以下固化，使用红外 - 微波辐射固化或其组合进行交联。 涂覆的涡轮机部件包括表面和涂层。 涂覆方法包括涂覆涂层并固化涂层。

公开(公告)号：US20150247413A1

公开(公告)日：2015-09-03

申请号：US14193241

申请日：2014-02-28

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Surinder Singh PABLA ,  Krishnamurthy ANAND ,  Murali Krishna KALAGA ,  Padmaja PARAKALA ,  Bala Srinivasan PARTHASARATHY

IPC: F01D5/28 ,  C23C30/00

CPC classification number: F01D5/286 ,  C23C4/06 ,  C23C30/00 ,  F01D5/284 ,  F01D5/288 ,  Y10T428/31678

Abstract: A coated article and a method for producing a coating are disclosed. Producing the coating includes providing a substrate defining a substrate surface having a substrate erosion resistance and applying a matrix and ceramic particles to the substrate surface. The matrix includes an anodic material having an anodic erosion resistance. The ceramic particles include a first ceramic having a first ceramic erosion resistance and a second ceramic having a second ceramic erosion resistance. The first ceramic erosion resistance is greater than the second ceramic erosion resistance, greater than the anodic erosion resistance, and greater than the substrate erosion resistance. The second ceramic interacts inchoately with the anodic material during the applying to form modified ceramic particles and modified anodic material formations. The modified ceramic particles are capable of forming a passive oxide film. The coated article includes the substrate and the coating on the substrate surface.

Abstract translation: 公开了涂覆制品和涂层的制造方法。 制造涂层包括提供限定具有基材耐蚀性的基材表面的基材，并将基质和陶瓷颗粒施加​​到基材表面。 该基质包括具有阳极侵蚀性的阳极材料。 陶瓷颗粒包括具有第一耐陶瓷侵蚀性的第一陶瓷和具有第二耐陶瓷侵蚀性的第二陶瓷。 第一陶瓷耐冲蚀性大于第二陶瓷耐冲蚀性，大于耐阳极侵蚀性，并大于基材耐腐蚀性。 第二陶瓷在施加期间与阳极材料相互作用以形成改性的陶瓷颗粒和改性的阳极材料结构。 改性陶瓷颗粒能够形成被动氧化膜。 涂覆制品包括基材和基材表面上的涂层。

公开(公告)号：US20140272467A1

公开(公告)日：2014-09-18

申请号：US13801547

申请日：2013-03-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Jon Conrad SCHAEFFER ,  Surinder Singh PABLA ,  Paul Stephen DIMASCIO ,  Krishnamurthy ANAND ,  Joshua Lee MARGOLIES ,  Padmaja PARAKALA

IPC: F01D25/08 ,  F01D25/00

CPC classification number: F01D25/08 ,  C23C28/042 ,  F01D5/288 ,  F01D25/005

Abstract: A process of forming a calcium-magnesium-aluminosilicate (CMAS) penetration resistant coating, and a CMAS penetration resistant coating are disclosed. The process includes providing a thermal barrier coating having a dopant, and exposing the thermal barrier coating to calcium-magnesium-aluminosilicate and gas turbine operating conditions. The exposing forming a calcium-magnesium-aluminosilicate penetration resistant layer. The coating includes a thermal barrier coating composition comprising a dopant selected from the group consisting of rare earth elements, non-rare earth element solutes, and combinations thereof. Additional or alternatively, the coating includes a thermal barrier coating and an impermeable barrier layer or a washable sacrificial layer positioned on an outer surface of the thermal barrier coating.

Abstract translation: 公开了一种形成钙 - 镁 - 硅铝酸盐（CMAS）渗透性涂层和CMAS渗透涂层的方法。 该方法包括提供具有掺杂剂的热障涂层，并将热障涂层暴露于钙 - 镁 - 硅铝酸盐和燃气轮机的操作条件。 暴露形成钙镁镁硅酸盐防渗层。 该涂层包括一种热障涂层组合物，其包含选自稀土元素，非稀土元素溶质及其组合的掺杂剂。 附加或替代地，涂层包括热障涂层和定位在热障涂层的外表面上的不可渗透阻挡层或可洗涤的牺牲层。

公开(公告)号：US20150233256A1

公开(公告)日：2015-08-20

申请号：US13741848

申请日：2013-01-15

Applicant: General Electric Company

Inventor： Krishnamurthy ANAND ,  James Anthony RUUD ,  Surinder Singh PABLA ,  Joshua Lee MARGOLIES ,  Padmaja PARAKALA ,  Larry Steven ROSENZWEIG

IPC: F01D5/28 ,  C23C4/02 ,  C23C4/10 ,  C23C4/12

CPC classification number: F01D5/284 ,  C23C4/02 ,  C23C4/11 ,  C23C4/134 ,  F01D5/28 ,  F01D5/288 ,  F05D2300/2118 ,  Y10T428/12549 ,  Y10T428/12618

Abstract: A thermal barrier coating system for metal components in a gas turbine engine having an ultra low thermal conductivity and high erosion resistance, comprising an oxidation-resistant bond coat formed from an aluminum rich material such as MCrAlY and a thermal insulating ceramic layer over the bond coat comprising a zirconium or hafnium oxide lattice structure (ZrO2 or HfO2) and an oxide stabilizer compound comprising one or more of the compounds ytterbium oxide (Yb2O3), yttria oxide (Y2O3), hafnium oxide (HfO2), lanthanum Oxide (La2O3), tantalum oxide (Ta2O5) or zirconium oxide (ZrO2). The invention includes a new method of forming the ceramic-based thermal barrier coatings using a liquid-based suspension containing microparticles comprised of at least one of the above compounds ranging in size between about 0.1 and 5 microns. The coatings form a tortuous path of ceramic interfaces that increase the coating toughness while preserving the ultra low thermal conductivity.

Abstract translation: 一种用于具有超低热导率和高耐侵蚀性的燃气轮机中的金属部件的隔热涂层系统，包括由富铝材料如MCrAlY形成的抗氧化粘合涂层和粘结涂层上的绝热陶瓷层 包括锆或铪氧化物晶格结构（ZrO 2或HfO 2）和包含一种或多种化合物氧化镱（Yb 2 O 3），氧化钇（Y 2 O 3），氧化铪（HfO 2），氧化镧（La 2 O 3），钽 氧化物（Ta2O5）或氧化锆（ZrO2）。 本发明包括使用包含由至少一种上述化合物构成的微粒的液体基悬浮液形成陶瓷基热障涂层的新方法，其尺寸范围为约0.1至5微米。 涂层形成陶瓷界面的曲折路径，从而提高涂层韧性，同时保持超低热导率。

公开(公告)号：US20150064451A1

公开(公告)日：2015-03-05

申请号：US14013369

申请日：2013-08-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Murali Krishna KALAGA ,  Arjun BHATTACHARYYA ,  Rebika Mayanglambam DEVI ,  Jon Conrad SCHAEFFER ,  Padmaja PARAKALA ,  Surinder Singh PABLA

IPC: C09D5/16 ,  C23C4/04 ,  C23C14/06 ,  B05D1/32 ,  B05D1/18 ,  B05D1/28 ,  C09D5/08 ,  C23C16/26

CPC classification number: C09D5/1662 ,  B05D1/18 ,  B05D1/28 ,  B05D1/32 ,  B82Y30/00 ,  C01B32/186 ,  C01B32/192 ,  C01B32/194 ,  C09D5/08 ,  C23C4/04 ,  C23C16/26 ,  Y10T428/265 ,  Y10T428/30

Abstract: A coating method, coated article and coating are provided. The coated article includes a low temperature component, and a graphene coating formed from a graphene derivative applied over the low temperature component. The coating method includes providing a graphene derivative, providing a low temperature component, applying the graphene derivative over the low temperature component, and forming a graphene coating. The graphene coating reduces corrosion and fouling of the low temperature component. The coating includes a graphene derivative, and modified functional groups on the graphene derivative. The modified functional groups increase adherence of the coating on application to a low temperature component.

Abstract translation: 提供涂布方法，涂层制品和涂层。 涂覆制品包括低温组分和由施加在低温组分上的石墨烯衍生物形成的石墨烯涂层。 涂布方法包括提供石墨烯衍生物，提供低温组分，在低温组分上施加石墨烯衍生物，并形成石墨烯涂层。 石墨烯涂层减少了低温组分的腐蚀和结垢。 涂层包括石墨烯衍生物和在石墨烯衍生物上的改性官能团。 改性的官能团在施加到低温组分时增加了涂层的粘附性。

公开(公告)号：US20130134028A1

公开(公告)日：2013-05-30

申请号：US13677905

申请日：2012-11-15

Applicant: General Electric Company

Inventor： Adnan Kutubuddin BOHORI ,  Mohandas NAYAK ,  Sundeep KUMAR ,  Padmaja PARAKALA ,  Sudhakar Eddula REDDY

IPC: H01H15/04

CPC classification number: H01C13/02 ,  H01C7/18 ,  H01C10/36 ,  H01C10/38 ,  H01H9/42 ,  H01H13/78 ,  H01H15/04

Abstract: An electrical switch and a circuit breaker are presented herein. The electrical switch includes a graded resistance block comprising a first end having a first electrical resistivity and a second end having an electrical resistivity greater than the first electrical resistivity. The electrical switch further includes a fixed contact electrically coupled to the first end of the graded resistance block, and a sliding contact configured to slide over the graded resistance block. In addition to the components of the electrical switch, the circuit breaker also includes a forcing mechanism to slide the sliding contact over the graded resistance block from the first end to the second end.

Abstract translation: 本文给出了电开关和断路器。 电开关包括渐变电阻块，其包括具有第一电阻率的第一端和具有大于第一电阻率的电阻率的第二端。 电开关还包括电连接到渐变电阻块的第一端的固定触点和被配置为在渐变电阻块上滑动的滑动触点。 除了电气开关的部件之外，断路器还包括用于将渐变电阻块上的滑动触点从第一端滑动到第二端的强制机构。