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公开(公告)号:KR840001682B1
公开(公告)日:1984-10-15
申请号:KR810000023
申请日:1981-01-07
Applicant: UNITED TECHNOLOGIES CORP
Inventor: ULION NICHOLAS E , RUCKLE DUANE L
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公开(公告)号:JP2003268569A
公开(公告)日:2003-09-25
申请号:JP2003033955
申请日:2003-02-12
Applicant: UNITED TECHNOLOGIES CORP
Inventor: GUPTA DINESH , LAMBERT DAVID L , TRUBELJA MLADEN F , MALONEY MICHAEL J , ULION NICHOLAS E , LITTON DAVID A
Abstract: PROBLEM TO BE SOLVED: To provide a superalloy article having a thermal barrier coating film. SOLUTION: The article comprises a superalloy substrate, an adherent alumina layer on the substrate, and a ceramic, thermally insulating layer on the alumina layer. The ceramic layer has an overall thickness and comprises relatively strain tolerant columnar grain ceramic on the alumina layer and relatively more thermally insulating ceramic on the columnar grain ceramic. The alumina layer may be formed using an alumina forming layer such as an overlay or aluminide bond coat, or the superalloy may be constituted of a material capable of forming an alumina layer. The ceramic layers may be formed of a stabilized zirconia or other suitable material and may have the same or different compositions. COPYRIGHT: (C)2003,JPO
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公开(公告)号:JP2000096261A
公开(公告)日:2000-04-04
申请号:JP16034699
申请日:1999-06-08
Applicant: UNITED TECHNOLOGIES CORP
Inventor: BOSE SUDHANGSU , GUPTA DINESH K , MARCIN JEANINE T , ULION NICHOLAS E
Abstract: PROBLEM TO BE SOLVED: To provide a heat insulating coating system having the advantage or reducing the weight and moreover limiting the oxidation even in the case ceramic is peeled. SOLUTION: In a heat insulating coating system 20 for a base material 22 made of a superalloy, a superalloy of a type capable of forming an adhesive alumina layer 26 is used. At first, a bonding coat 24 is applied to the local region of the base material 22 in such a manner that a part of the base material 22 is left exposed. The local region is ordinarily defined as the region in which heat insulating coating is first chipped such as the front edge and rear edge of airfoil or the like. Next, the alumina layer 26 is formed on the exposed part of the base material 22 and the bonding coat 24 by heat treatment. Successively, the alumina layer 26 is applied with a ceramic layer 28. In this way, even in the case the ceramic material 28 is peeled, the local bonding coat 24 is left, so that the oxidation of the base material can be limited.
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公开(公告)号:JP2006342427A
公开(公告)日:2006-12-21
申请号:JP2006159412
申请日:2006-06-08
Applicant: UNITED TECHNOLOGIES CORP
Inventor: ULION NICHOLAS E
Abstract: PROBLEM TO BE SOLVED: To provide a method for reducing heat conductivity of a thermal barrier coating by incorporating a metal oxide into a ceramic matrix. SOLUTION: The method for reducing heat conductivity of the thermal barrier coating comprises the steps of: depositing a mixture containing a ceramic matrix and a metal dispersoid capable of forming the metal oxide on a substrate to form one or more layers, heating the one or more layers at a sufficient temperature for a sufficient time for oxidizing the metal dispersoid, and forming one or more layers of thermal barrier coating. The thermal barrier coating contains the ceramic matrix and the metal oxide dispersed throughout the ceramic matrix. COPYRIGHT: (C)2007,JPO&INPIT
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公开(公告)号:SG158734A1
公开(公告)日:2010-02-26
申请号:SG2005084942
申请日:2003-08-21
Applicant: UNITED TECHNOLOGIES CORP
Inventor: LITTON DAVID A , ULION NICHOLAS E , TRUBELJA MLADEN F , MALONEY MICHAEL J , WARRIER SUNIL GOVINDA
IPC: C01F17/00 , F01D5/28 , C01G25/02 , C01G27/02 , C04B35/488 , C04B35/50 , C09D5/18 , C23C4/10 , C23C28/00 , C23C30/00 , F02C7/00 , F23R3/42
Abstract: A thermal barrier coating comprising more than 5 to 60 mol% of at least one of La 2 O 3 and Sm 2 O 3 , and from 5 to 60 mol% of at least one oxide having a formula A 2 O 3 where A is selected from the group consisting of Sc, In, Y, Pr, Nd, Eu, Sm, Gd, Dy, Er, Yb, and mixtures thereof; and the balance zirconia. In this coating system, the zirconia is preferably present in an amount greater than 40 mol% and the coating contains less than 10 vol% of phases with a pyrochlore structure. The present invention also broadly relates to an article having a metal substrate and a thermal barrier coating as discussed above.
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公开(公告)号:SG116653A1
公开(公告)日:2005-11-28
申请号:SG200502624
申请日:2005-04-28
Applicant: UNITED TECHNOLOGIES CORP
Inventor: ULION NICHOLAS E , TRUBELJA JLADEN F , MALONEY MICHAEL J , LITTON DAVID A
IPC: B32B15/04 , C04B37/02 , C23C4/04 , C23C4/06 , C23C4/08 , C23C14/00 , C23C14/02 , C23C14/08 , C23C28/00 , F01D5/28
Abstract: A spallation resistant metallic article comprising a metallic substrate, at least one ceramic thermal barrier coating comprising a zirconia base and at least one other element selected from the group consisting of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sc, In, Y, Mo and C, rare earth oxides, scandium, and indium, and a ceramic bond coat located on at least a portion of the substrate and between the metallic substrate and the at least one ceramic thermal barrier coating wherein the ceramic bond coat is composed of yttria stabilized zirconia (YSZ).
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公开(公告)号:CA2437758A1
公开(公告)日:2004-02-21
申请号:CA2437758
申请日:2003-08-20
Applicant: UNITED TECHNOLOGIES CORP
Inventor: LITTON DAVID A , ULION NICHOLAS E , TRUBELJA MLADEN F , MALONEY MICHAEL J , WARRIER SUNIL GOVINDA
IPC: F01D5/28 , C01F17/224 , C01G25/02 , C01G27/02 , C09D5/18 , C23C4/10 , C23C28/00 , C23C30/00 , F02C7/00 , F23R3/42
Abstract: A ceramic material having particular utility as a thermal insulating or thermal barrier coating on metallic substrates is provided. The ceramic material broadly comprises at least one oxide and the balance comprising a first oxide selected from the group consisting of zirconia, ceria, and hafnia. The at least one has a formula A2O3 where A is selected from the group consisting of La, Pr, Nd, Sm, Eu, Tb, In, Sc, Y, Dy, Ho, Er, Tm, Yb, L u, and mixtures thereof. The present invention also broadly relates to an article having a metal substrate and a thermal barrier coating as discussed above.
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公开(公告)号:AT434714T
公开(公告)日:2009-07-15
申请号:AT05251604
申请日:2005-03-16
Applicant: UNITED TECHNOLOGIES CORP
Inventor: LITTON DAVID A , ULION NICHOLAS E , TRUBELJA MLADEN F , MALONEY MICHAEL J , WARRIER SUNIL GOVINDA
IPC: F01D5/28 , C01F17/224 , C01G25/02 , C01G27/02 , C04B35/565 , C04B35/584 , C04B41/50 , C04B41/85 , C04B41/87 , C04B41/89 , C09D1/00 , C09D5/18 , C09D7/80 , C23C4/10 , C23C14/00 , C23C14/08 , C23C14/30 , C23C28/00 , C23C28/04 , C23C30/00 , F01D9/02 , F01D25/00 , F01N3/00 , F02C7/00 , F23R3/42
Abstract: A turbine component has a substrate formed from a ceramic material selected from the group consisting of a monolithic ceramic material and a composite ceramic material and a thermal barrier coating bonded to the substrate. In one embodiment, the ceramic material forming the substrate is selected from the group of silicon nitride and self-reinforced silicon nitride. In another embodiment, the ceramic material forming the substrate is selected from the group consisting of a silicon carbide-silicon carbide material and a carbon-carbon material. At least one bond coat layer may be interposed between the substrate and the thermal barrier coating.
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公开(公告)号:DE602005004055T2
公开(公告)日:2008-12-18
申请号:DE602005004055
申请日:2005-03-22
Applicant: UNITED TECHNOLOGIES CORP
Inventor: ULION NICHOLAS E , BROADHURST DONALD , MALONEY MICHAEL J , CLAVETTE CLAUDE J , LITTON DAVID A , TRUBELJA MLADEN
Abstract: A method for reducing thermal conductivity in thermal barrier coatings (TBC) through the incorporation of porosity comprising the steps of depositing a mixture comprising a TBC matrix (13) and a fugitive material (11) upon a part to form a layer, and heating the layer at a temperature and for a duration sufficient to liberate a portion of the fugitive material to form a porous network.
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公开(公告)号:DE602005004055D1
公开(公告)日:2008-02-14
申请号:DE602005004055
申请日:2005-03-22
Applicant: UNITED TECHNOLOGIES CORP
Inventor: ULION NICHOLAS E , BROADHURST DONALD , MALONEY MICHAEL J , CLAVETTE CLAUDE J , LITTON DAVID A , TRUBELJA MLADEN
Abstract: A method for reducing thermal conductivity in thermal barrier coatings (TBC) through the incorporation of porosity comprising the steps of depositing a mixture comprising a TBC matrix (13) and a fugitive material (11) upon a part to form a layer, and heating the layer at a temperature and for a duration sufficient to liberate a portion of the fugitive material to form a porous network.
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