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公开(公告)号：EP4230335A1
公开(公告)日：2023-08-23
申请号：EP23153450.4
申请日：2023-01-26
发明人： LORICCO, Nicholas M. , LIU, Xuan
摘要： An electrode (22) includes a metallic electrode body (34) that has a surface region (34b) that is enriched in at least one of aluminum or chromium. The aluminum and/or chromium that is vaporized from the surface region (34b) suppresses vaporization loss of aluminum or chromium from the machined surface of a metallic workpiece during electric discharge machining.
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公开(公告)号：EP3954671A3
公开(公告)日：2022-03-02
申请号：EP21191490.8
申请日：2021-08-16
摘要： A method for coating a substrate includes spraying a combination of powders. The combination of powders includes: Hf 0.5 Si 0.5 O 2 ; Zr 0.5 Si 0.5 O 2 ; HfO 2 and, optionally, ZrO 2 . A molar ratio of said Hf 0.5 Si 0.5 O 2 and HfO 2 combined to said Zr 0.5 Si 0.5 O 2 and ZrO 2 (if present) combined is from 2:1 to 4:1. A molar ratio of said Hf 0.5 Si 0.5 O 2 to said HfO 2 is at least 1:3.
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公开(公告)号：EP3453780B1
公开(公告)日：2020-08-19
申请号：EP18193136.1
申请日：2018-09-07
发明人： LIU, Xuan , HAZEL, Brian T.
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公开(公告)号：EP4143365A2
公开(公告)日：2023-03-08
申请号：EP21841869.7
申请日：2021-04-27
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公开(公告)号：EP3954522A1
公开(公告)日：2022-02-16
申请号：EP21191556.6
申请日：2021-08-16
发明人： LIU, Xuan , BEALS, James T. , TANG, Xia , HAWKES, Justin R. , SUDRE, Olivier H. , WERKHEISER, William F. , HAZEL, Brian T. , JACKSON, Richard Wesley
摘要： A method of forming a coating includes providing a mold (24) that has a flexible wall (24a) that defines a mold cavity (26), inserting a component (22) that is to be coated into the mold cavity (26), the component (22) having a component surface roughness and there being a coating gap (28) defined between the component (22) and the flexible wall (24a) of the mold cavity (26), introducing a molding slurry (36) into the mold cavity (26), the molding slurry (36) filling the coating gap (28) and contacting the component (22) so as to overcoat the component surface roughness, solidifying the molding slurry (36) to form a green coating on the component (22), and consolidating the green coating to form a final coating on the component (22), the final coating having a coating surface roughness that is less than the component surface roughness.
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公开(公告)号：EP3904314A1
公开(公告)日：2021-11-03
申请号：EP21170196.6
申请日：2021-04-23
摘要： An article includes a ceramic-based substrate and a barrier layer on the ceramic-based substrate. The barrier layer includes a matrix, diffusive particles, and gettering particles. The gettering particles include at least one of non-gas-evolving particles and porous particles. An article and a method are also disclosed.
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7.发明公开
公开(公告)号：EP4129957A1
公开(公告)日：2023-02-08
申请号：EP22188845.6
申请日：2022-08-04
发明人： JACKSON, Richard Wesley , BEALS, James T. , TANG, Xia , LIU, Xuan , LITTON, David A. , HAZEL, Brian T.
摘要： A coated article (104) including an article (104) having a surface (102); an oxidation resistant bond coat layer (120) deposited on the surface (102), the oxidation resistant bond coat layer (120) comprising a metal silicide phase (142), a crystalline ceramic phase and an amorphous ceramic phase (144), wherein the metal silicide phase (142) has an aspect ratio greater than 1:1 but less than 50:1.
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公开(公告)号：EP3954671A2
公开(公告)日：2022-02-16
申请号：EP21191490.8
申请日：2021-08-16
摘要： A method for coating a substrate includes spraying a combination of powders. The combination of powders includes: Hf 0.5 Si 0.5 O 2 ; Zr 0.5 Si 0.5 O 2 ; HfO 2 and, optionally, ZrO 2 . A molar ratio of said Hf 0.5 Si 0.5 O 2 and HfO 2 combined to said Zr 0.5 Si 0.5 O 2 and ZrO 2 (if present) combined is from 2:1 to 4:1. A molar ratio of said Hf 0.5 Si 0.5 O 2 to said HfO 2 is at least 1:3.
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公开(公告)号：EP3782968A1
公开(公告)日：2021-02-24
申请号：EP20191823.2
申请日：2020-08-19
摘要： An airfoil includes an airfoil wall that defines a leading end, a trailing end, and suction and pressure sides that join the leading end and the trailing end. The airfoil wall is formed of a silicon-containing ceramic. A first environmental barrier topcoat is disposed on the suction side of the airfoil wall, and a second, different environmental barrier topcoat is disposed on the pressure side of the airfoil wall. The first topcoat may be vaporization-resistant and the second topcoat may be resistant to calcium-magnesium-aluminosilicate.
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10.发明公开
公开(公告)号：EP3832289A1
公开(公告)日：2021-06-09
申请号：EP20212302.2
申请日：2020-12-07
发明人： LIU, Xuan , OUYANG, Zhong , DEBICCARI, Andrew , LORICCO, Nicholas M. , BRINDLEY, William J. , MACAULEY, Kathryn , BISCHOF, Christopher J.
IPC分类号： G01N17/00
摘要： A method is provided that involves rotational equipment (16) that includes a case (32) and a first rotor blade (28) within the case (32). During the method, a probe (18) is arranged within the case (32) adjacent the first rotor blade (28). A magnetic characteristic of the first rotor blade (28) is measured using the probe (18). Presence of internal corrosion within the first rotor blade (28) is determined based on the measured magnetic characteristic.
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