公开(公告)号：US20210221093A1

公开(公告)日：2021-07-22

申请号：US17197266

申请日：2021-03-10

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Ibrahim UCOK ,  Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Surinder Singh PABLA

IPC: B32B3/30 ,  B33Y80/00 ,  B32B15/01 ,  C22C30/02 ,  B33Y70/00

Abstract: A process includes forming a printed article having an external surface and at least one microfeature with an internal surface by additive manufacture, coating the external surface and the internal surface of the printed article with a metallic microlayer to form a coated article, and densifying the coated article to form a component. After formation, the printed article has a porosity such that the printed article is not at full density. A densified component includes a printed article having an external surface and at least one microfeature with an internal surface and a metallic microlayer coating the external surface and the internal surface of the printed article. The printed article is formed by additive manufacture.

公开(公告)号：US20190039133A1

公开(公告)日：2019-02-07

申请号：US15670520

申请日：2017-08-07

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Brian Lee TOLLISON ,  Brian Leslie HENDERSON

IPC: B22F1/02 ,  B22F1/00 ,  B22F3/10 ,  C22C19/05 ,  B23K1/00

Abstract: A process includes agitating at least one core of a core alloy together with a braze binder to form at least one coated core comprising the at least one core coated with a first layer of the braze binder. The process also includes agitating the at least one coated core together with a powder composition comprising a first metal powder of a first alloy and a second metal powder of a second alloy to form a green preform having a first powder composition layer of the first alloy and the second alloy. The process further includes sintering the green preform to form at least one hybrid pre-sintered preform. A green preform includes a core, a first layer of a braze binder coated on the core, and a powder composition coated on the first layer. A hybrid pre-sintered preform includes a core and a first layer sintered to the core.

公开(公告)号：US20180281070A1

公开(公告)日：2018-10-04

申请号：US15472783

申请日：2017-03-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Brian Lee TOLLISON ,  Timothy Neal PLETCHER

IPC: B22F3/16 ,  B22F1/00 ,  B22F9/04 ,  B22F7/00 ,  B23K1/00 ,  B23K31/02

Abstract: A hybrid preform component including a plurality of elongated metallic cores and a coating paste is provided. The coating paste envelops the plurality of elongated metallic cores. The coating paste includes a first material having a first melting point, a second material having a second melting point, and a binder. A method for treating a component is also provided. The method includes the step of mixing a second material, a first material, and a binder to make coating paste. The method further includes the step of coating the plurality of cores using the coating paste to form a coated rod assembly. The method further includes the step of compressing the coated rod assembly to envelop the coating paste to the plurality of cores and form a preform component having a near net shape. The method further includes the step of sintering the preform component to form a pre-sintered preform.

公开(公告)号：US20180195398A1

公开(公告)日：2018-07-12

申请号：US15402725

申请日：2017-01-10

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Srikanth Chandrudu KOTTILINGAM ,  Yan CUI ,  Brian Lee TOLLISON

IPC: F01D5/22 ,  C22C19/07 ,  B23K35/02 ,  B23K35/30 ,  B23K1/00 ,  C21D1/78 ,  C21D9/00 ,  C22F1/10 ,  F01D5/28

CPC classification number: F01D5/225 ,  B23K1/0018 ,  B23K20/021 ,  B23K35/0233 ,  B23K35/0244 ,  B23K35/3046 ,  B23K2101/001 ,  B23P6/005 ,  C21D1/785 ,  C21D9/0068 ,  C22C19/07 ,  C22F1/10 ,  F01D5/005 ,  F01D5/28 ,  F05D2230/22 ,  F05D2230/237 ,  F05D2230/80 ,  F05D2300/17 ,  F05D2300/175

Abstract: In some embodiments, a process treats a turbine component. The turbine component includes an article and a wear component brazed to the article. The process includes applying a braze tape on at least a portion of the wear component and thermal processing the turbine component while the braze tape is on the at least a portion of the wear component to treat the turbine component. In some embodiments, an assembly includes a turbine component. The turbine component includes an article and a pre-sintered preform brazed to a surface of the article. The assembly also includes a braze tape on at least a portion of the pre-sintered preform. In some embodiments, a treated turbine component includes a treated article and a pre-sintered preform brazed to a surface of the treated article. The treated turbine component has been thermally processed with the pre-sintered preform being substantially free of re-flow.

公开(公告)号：US20170274624A1

公开(公告)日：2017-09-28

申请号：US15621606

申请日：2017-06-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Brian Lee TOLLISON ,  Timothy Neal PLETCHER ,  Richard Ryan PILSON

IPC: B32B15/01 ,  B23K9/04 ,  B22F5/00 ,  B23K10/02 ,  B23K1/00 ,  B22F7/06 ,  B23K15/00

CPC classification number: B32B15/01 ,  B22F5/009 ,  B22F5/04 ,  B22F7/062 ,  B22F2007/047 ,  B22F2007/068 ,  B23K1/0018 ,  B23K9/04 ,  B23K10/027 ,  B23K15/0086 ,  B23K26/34

Abstract: A hybrid article is disclosed including a coating circumscribing the lateral surface of a hollow core having a core material and a channel disposed within the lateral surface. The coating includes about 35% to about 95% of a first metallic material, and about 5% to about 65% of a second metallic material with a lower melting point than the first metallic material. A method for forming the hybrid article is disclosed including disposing the hollow core in a die, forming a gap between the lateral surface and the die, introducing a slurry having the metallic materials into the gap, and sintering the slurry, forming the coating. A method for closing an aperture of an article is disclosed including inserting the hybrid article into the aperture, and brazing the hybrid article to the article, welding the aperture with the hybrid article serving as weld filler, or a combination thereof.

公开(公告)号：US20150056469A1

公开(公告)日：2015-02-26

申请号：US14526731

申请日：2014-10-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Daniel James DORRIETY ,  Brian Lee TOLLISON ,  Dechao LIN ,  Hai Buu SAM

IPC: B23K35/30 ,  B23K35/02

CPC classification number: B23K35/304 ,  B23K9/044 ,  B23K9/235 ,  B23K10/027 ,  B23K26/32 ,  B23K26/342 ,  B23K26/60 ,  B23K35/0255 ,  B23K35/3033 ,  B23K2101/001 ,  B23K2103/26 ,  B23K2103/50 ,  C22C19/056 ,  C22C19/057 ,  Y10T428/12493 ,  Y10T428/12944

Abstract: A method of fabricating a component and a fabricated component are disclosed. The method includes depositing a material to a component and manipulating the material to form a boundary region and a filler region for desired properties. The component includes the boundary region and the filler region, thereby having the desired properties.

Abstract translation: 公开了一种制造部件和制造部件的方法。 该方法包括将材料沉积到组件并操纵材料以形成用于所需性质的边界区域和填充区域。 该组分包括边界区域和填料区域，从而具有所需的性质。

公开(公告)号：US20140369741A1

公开(公告)日：2014-12-18

申请号：US14477389

申请日：2014-09-04

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Brian Lee TOLLISON ,  Dechao LIN ,  David Edward SCHICK

IPC: B23K1/00 ,  B23K20/12

CPC classification number: B23K1/0018 ,  B23K20/12 ,  B23K20/1205 ,  B23K20/129 ,  B23K28/02 ,  B23K2101/001 ,  B23K2103/08 ,  B23K2103/18 ,  B23K2103/26 ,  Y10T403/478

Abstract: A joining process and a joined article are disclosed. The joining process includes positioning an article having a base material, and friction joining a pre-sintered preform to the base material. The pre-sintered preform forms a feature on the article. The joined article includes a feature joined to a base material by friction joining of a pre-sintered preform.

Abstract translation: 公开了接合工艺和接合制品。 接合过程包括定位具有基材的制品，以及将预烧结的预成型件摩擦连接到基材。 预烧结的预制件在制品上形成一个特征。 接合制品包括通过预烧结预制件的摩擦接合而连接到基材的特征。

公开(公告)号：US20140220376A1

公开(公告)日：2014-08-07

申请号：US13758458

申请日：2013-02-04

Applicant: GENERAL ELECTRIC COMPANY

Inventor： David Edward SCHICK ,  Dean William MORRISON ,  Yan CUI ,  Bill Damon JOHNSTON ,  Srikanth Chandrudu KOTTILINGAM

IPC: B23K31/00 ,  B32B15/01

CPC classification number: B32B15/01 ,  B23K1/0018 ,  B23K1/19 ,  B23K35/0222 ,  B23K35/0238 ,  B23K2101/001 ,  B23P6/002 ,  F01D5/005 ,  F05D2230/237 ,  Y10T428/12493

Abstract: A brazing process, a braze arrangement, and a brazed article are disclosed. The brazing process includes brazing an article with a braze arrangement. The braze arrangement includes a first braze material and a second braze material, the first braze material having a first melting point and the second braze material having a second melting point, the first melting point differing from the second melting point. The brazed article includes a treatment region, a first brazed material positioned within the treatment region, and a second brazed material positioned distal from the article in comparison to the first brazed material. The first brazed material is formed by the first braze material and the second brazed material is formed by the second braze material.

Abstract translation: 公开了钎焊工艺，钎焊布置和钎焊制品。 钎焊工艺包括钎焊具有钎焊布置的物品。 所述钎焊布置包括第一钎焊材料和第二钎焊材料，所述第一钎焊材料具有第一熔点，所述第二钎焊材料具有第二熔点，所述第一熔点与所述第二熔点不同。 钎焊制品包括处理区域，位于处理区域内的第一钎焊材料和与第一钎焊材料相比位于远离制品的第二钎焊材料。 第一钎焊材料由第一钎焊材料形成，第二钎焊材料由第二钎焊材料形成。

公开(公告)号：US20140212208A1

公开(公告)日：2014-07-31

申请号：US13755930

申请日：2013-01-31

Applicant: GENERAL ELECTRIC COMPANY

Inventor： David Edward SCHICK ,  Srikanth Chandrudu KOTTILINGAM ,  Johnie Franklin McCONNAUGHHAY ,  Brian Lee TOLLISON ,  Yan CUI

IPC: B23K1/20

CPC classification number: B23K1/20 ,  B23K1/0012 ,  B23K1/0018 ,  B23K1/008 ,  B23K11/11 ,  B23K37/04 ,  B23K2103/02 ,  B23K2103/04 ,  B23K2103/05 ,  B23K2103/08 ,  B23K2103/26 ,  F05D2230/237 ,  F23R3/286 ,  F23R2900/00018 ,  F28F9/185 ,  F28F2265/26 ,  F28F2275/045 ,  Y10T403/479

Abstract: A brazing process and plate assembly are disclosed. The brazing process includes positioning a braze foil on a first workpiece, then securing the braze foil to the first workpiece to form a brazable component, then positioning a second workpiece proximal to the brazable component, and then brazing the second workpiece to the brazable component. Additionally or alternatively, the brazing process includes positioning the braze foil on a tube, then securing the braze foil to the tube to form a brazable tube, then positioning a plate of a plate assembly proximal to the brazable tube, and then brazing the plate to the brazable tube. The plate assembly includes a plate and a tube brazed to the plate by a braze foil secured to the tube.

Abstract translation: 公开了钎焊工艺和板组件。 钎焊工艺包括将钎焊箔定位在第一工件上，然后将钎焊箔固定到第一工件上以形成可钎焊部件，然后将第二工件靠近可钎焊部件定位，然后将第二工件钎焊到可钎焊部件。 另外或替代地，钎焊工艺包括将钎焊箔定位在管上，然后将钎焊箔固定到管上以形成可钎焊管，然后将板组件的板定位在可钎焊管附近，然后将板钎焊到 可钎管。 板组件包括板和通过固定到管的钎焊箔钎焊到板的管。

公开(公告)号：US20190039141A1

公开(公告)日：2019-02-07

申请号：US15670463

申请日：2017-08-07

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Yan CUI ,  Srikanth Chandrudu KOTTILINGAM ,  Brian Lee TOLLISON ,  Matthew LAYLOCK ,  Timothy PLETCHER

IPC: B22F3/16 ,  C22C19/07 ,  C22C30/00 ,  B22F1/00 ,  B23K1/00 ,  F01D25/00

Abstract: A process includes placing a powder composition of a first metal powder of a first alloy and a second metal powder of a second alloy in a ceramic die and sintering the powder composition in the ceramic die to form a sintered rod in the ceramic die. The process also includes removing the sintered rod from the ceramic die and slicing the sintered rod into a plurality of pre-sintered preforms.