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公开(公告)号:US12091756B2
公开(公告)日:2024-09-17
申请号:US17403296
申请日:2021-08-16
Applicant: Raytheon Technologies Corporation
Inventor: Xia Tang , Paul Sheedy , Tania Bhatia Kashyap , Wayde R. Schmidt , Daniel G. Goberman
CPC classification number: C23C4/12 , C23C4/04 , C23C16/32 , C23C16/401 , C23C28/04 , F01D5/288 , F16J15/453 , F05D2240/11 , F05D2240/12 , F05D2240/30 , F05D2240/35 , F05D2300/21 , F05D2300/211 , F05D2300/2261 , F05D2300/611
Abstract: An article includes a silicon oxycarbide-based layer that has Si, O, and C in a covalently bonded network. The silicon oxycarbide-based layer has first and second opposed surfaces. A calcium-magnesium alumino-silicate-based layer is interfaced with the first surface of the silicon oxycarbide-based layer.
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公开(公告)号:US20230416157A1
公开(公告)日:2023-12-28
申请号:US17849180
申请日:2022-06-24
Applicant: RAYTHEON TECHNOLOGIES CORPORATION
Inventor: David A. Litton , Richard Wesley Jackson, III , Xia Tang , James T. Beals
IPC: C04B35/565 , C04B35/14 , C04B35/622 , C04B41/00 , C04B41/52 , C04B41/50 , C04B41/89 , C04B41/87
CPC classification number: C04B35/565 , C04B35/14 , C04B35/62222 , C04B41/009 , C04B41/524 , C04B41/5059 , C04B41/89 , C04B41/87 , C04B2235/3826 , C04B2235/3418 , C04B2235/3895 , C04B2235/5436 , C04B2235/96
Abstract: An article according to an exemplary embodiment of this disclosure, among other possible things includes a substrate and a barrier layer on the substrate. The barrier layer includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. At least about 10% of the gettering particles are in a crystalline phase. The article also includes a top coat. An article is also disclosed.
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公开(公告)号:US20230037726A1
公开(公告)日:2023-02-09
申请号:US17962834
申请日:2022-10-10
Applicant: RAYTHEON TECHNOLOGIES CORPORATION
Inventor: Michael R. Kracum , Xia Tang , Richard Wesley Jackson , Zhongfen Ding , James T. Beals
Abstract: A gas turbine engine article includes a silicon-containing ceramic substrate and an environmental barrier coating (EBC) system disposed on the substrate. The EBC system includes, from the substrate, a dense bond coat layer, a porous bond coat layer, and a topcoat layer in contact with the porous bond coat layer. The dense bond coat layer and the porous bond coat layer each include a silica matrix and oxygen-scavenging gas-evolution particles dispersed through the silica matrix. The porous bond coat layer includes engineered pores.
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公开(公告)号:US20220055956A1
公开(公告)日:2022-02-24
申请号:US17517984
申请日:2021-11-03
Applicant: Raytheon Technologies Corporation
Inventor: Imelda P. Smyth , Xia Tang
Abstract: A blade outer air seal has at least one internal surface and a layer atop the at least one internal surface. The layer has: a matrix comprising at least one of hafnium silicate (HfSiO4) and zirconium silicate (ZrSiO4), ytterbium disilicate (Yb2Si2O7); and barium magnesium alumino silicate (BMAS) or other alkaline earth aluminosilicate.
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公开(公告)号:US11192828B2
公开(公告)日:2021-12-07
申请号:US16542835
申请日:2019-08-16
Applicant: Raytheon Technologies Corporation
Inventor: Imelda P. Smyth , Xia Tang
Abstract: A blade outer air seal has at least one internal surface and a layer atop the at least one internal surface. The layer has: a matrix comprising at least one of hafnium silicate (HfSiO4) and zirconium silicate (ZrSiO4), ytterbium disilicate (Yb2Si2O7); and barium magnesium alumino silicate (BMAS) or other alkaline earth aluminosilicate.
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公开(公告)号:US20240343917A1
公开(公告)日:2024-10-17
申请号:US18134970
申请日:2023-04-14
Applicant: RAYTHEON TECHNOLOGIES CORPORATION
Inventor: James T. Beals , Xia Tang , Richard Wesley Jackson, III , Andrew Spaeth
CPC classification number: C09D5/08 , C09D1/00 , C09D5/002 , C09D5/18 , C23C16/401 , C23C16/403 , C23C16/405 , C23C16/45529
Abstract: An article includes a substrate, a barrier layer disposed on the substrate, and an oxide-based ceramic material topcoat disposed on the barrier layer. The topcoat includes at least one crack. The article also includes a filler layer disposed on the topcoat and in the at least one crack. A method of applying a coating to an article and an article are also disclosed.
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公开(公告)号:US12104503B2
公开(公告)日:2024-10-01
申请号:US17006151
申请日:2020-08-28
Applicant: Raytheon Technologies Corporation
Inventor: Richard Wesley Jackson , Xia Tang , James T. Beals , Gajawalli V. Srinivasan , William K. Tredway
IPC: F01D5/28 , B32B15/04 , B32B15/16 , B32B18/00 , C04B35/01 , C04B35/14 , C04B35/80 , C04B41/00 , C04B41/50 , C04B41/52 , C04B41/87 , C04B41/89 , C23C24/08 , C23C26/00 , C23C28/04 , F01D25/00 , F23R3/00
CPC classification number: F01D5/288 , B32B15/04 , B32B15/043 , B32B15/16 , B32B18/00 , C04B35/01 , C04B35/14 , C04B35/80 , C04B41/009 , C04B41/5035 , C04B41/5071 , C04B41/5089 , C04B41/52 , C04B41/87 , C04B41/89 , C23C24/08 , C23C24/085 , C23C26/00 , C23C28/04 , C23C28/042 , C23C28/044 , C23C28/048 , F01D5/28 , F01D5/284 , F01D25/005 , F01D25/007 , F23R3/007 , C04B2235/3481 , C04B2235/365 , C04B2235/3813 , F05D2240/11 , F05D2240/35 , F05D2300/21 , F05D2300/211 , F05D2300/222 , F05D2300/502 , F05D2300/6033 , F23R2900/00018 , Y02T50/60 , Y10T428/12486 , Y10T428/12493 , Y10T428/12535 , Y10T428/12597 , Y10T428/12604 , Y10T428/12611 , Y10T428/12618 , Y10T428/12625 , Y10T428/12667 , Y10T428/12674 , Y10T428/12931 , Y10T428/12944 , Y10T428/12979 , Y10T428/12986 , Y10T428/26 , C04B41/009 , C04B35/565 , C04B41/5035 , C04B41/4539 , C04B41/5024 , C04B41/5059 , C04B41/5071 , C04B2103/001 , C04B41/5035 , C04B41/4539 , C04B41/5022 , C04B41/5059 , C04B41/5071 , C04B41/5035 , C04B41/4539 , C04B41/5059 , C04B41/507 , C04B41/5071 , C04B41/5089 , C04B41/5024 , C04B41/5059 , C04B41/5071 , C04B2103/001 , C04B41/5089 , C04B41/5022 , C04B41/5059 , C04B41/5071 , C04B41/5089 , C04B41/5059 , C04B41/507 , C04B41/5071 , C04B41/52 , C04B41/4539 , C04B41/5024 , C04B41/5035 , C04B41/5059 , C04B41/5071 , C04B2103/001 , C04B41/52 , C04B41/4539 , C04B41/5022 , C04B41/5035 , C04B41/5059 , C04B41/5071 , C04B41/522 , C04B41/52 , C04B41/4539 , C04B41/5035 , C04B41/5059 , C04B41/507 , C04B41/5071 , C04B41/522 , C04B41/52 , C04B41/5042 , C04B41/52 , C04B41/5024 , C04B41/522 , C04B2103/0021
Abstract: An article includes a substrate and a barrier layer on the substrate. The barrier layer includes a matrix, diffusive particles dispersed in the matrix, and gettering particles dispersed in the matrix. The gettering particles include at least one alloyed metal silicide. A composite material and a method of fabricating an article are also disclosed.
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公开(公告)号:US20240166890A1
公开(公告)日:2024-05-23
申请号:US17991707
申请日:2022-11-21
Applicant: Raytheon Technologies Corporation
Inventor: Richard Wesley Jackson, III , Xia Tang , James T. Beals , David A. Litton , Brian T. Hazel
Abstract: An article includes a substrate and a bond coat disposed on the substrate. The bond coat includes a matrix, a plurality of gettering particles disposed in the matrix, a plurality of diffusive particles disposed in the matrix, a radiation-absorbing component disposed in the matrix, wherein the radiation-absorbing component is concentrated at an outer surface of the bond coat. An article and a method of protecting an article are also disclosed.
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公开(公告)号:US20240158310A1
公开(公告)日:2024-05-16
申请号:US18222019
申请日:2023-07-14
Applicant: RAYTHEON TECHNOLOGIES CORPORATION
Inventor: Richard Wesley Jackson, III , Xia Tang , James T. Beals
CPC classification number: C04B41/5035 , C04B35/14 , C04B35/80 , C04B2235/3418 , C04B2235/3873 , C04B2235/3895 , F01D25/00 , F05D2300/611
Abstract: A barrier layer for an article according to an exemplary embodiment of this disclosure, among other possible things includes a bond coat comprising a matrix, diffusive particles disposed in the matrix, and gettering particles disposed in the matrix. The composition of the gettering particles is a reaction product of the chemical reaction of Equation 1 defined by Equation 2:
Si
w
O
x
C
y
N
z
+
ξ
O
2
=
w
Si
O
2
+
y
CO
+
z
2
N
2
Equation
1
ξ
=
2
w
+
y
-
x
2
Equation
2
A barrier layer is also disclosed.-
公开(公告)号:US11866379B2
公开(公告)日:2024-01-09
申请号:US17401545
申请日:2021-08-13
Applicant: Raytheon Technologies Corporation
Inventor: Xuan Liu , James T. Beals , Xia Tang , Richard Wesley Jackson , William J. Joost
CPC classification number: C04B41/4545 , C04B35/78 , C04B41/4527 , C04B41/4582 , C04B41/5024 , C04B41/5042 , C04B41/5144 , C04B41/526 , C04B41/90
Abstract: A method for coating a substrate includes spraying a combination of powders. The combination of powders includes: Hf0.5Si0.5O2; Zr0.5Si0.5O2; and, optionally, at least one of HfO2 and ZrO2. A molar ratio of said Hf0.5Si0.5O2 and HfO2 combined to said Zr0.5Si0.5O2 and ZrO2 combined is from 2:1 to 4:1. A molar ratio of said Hf0.5Si0.5O2 to said HfO2 is at least 1:3.
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