KR20080110983A - 높은 다공도의 층상형 열적 배리어 코팅 및 부품 - Google Patents
높은 다공도의 층상형 열적 배리어 코팅 및 부품 Download PDFInfo
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- KR20080110983A KR20080110983A KR1020087014844A KR20087014844A KR20080110983A KR 20080110983 A KR20080110983 A KR 20080110983A KR 1020087014844 A KR1020087014844 A KR 1020087014844A KR 20087014844 A KR20087014844 A KR 20087014844A KR 20080110983 A KR20080110983 A KR 20080110983A
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- thermal barrier
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- 239000012720 thermal barrier coating Substances 0.000 title claims abstract description 55
- 239000000919 ceramic Substances 0.000 claims abstract description 74
- 230000004888 barrier function Effects 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 63
- 238000002485 combustion reaction Methods 0.000 description 15
- 239000013078 crystal Substances 0.000 description 11
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 229910000601 superalloy Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005328 electron beam physical vapour deposition Methods 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005524 ceramic coating Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 241000251131 Sphyrna Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000009419 refurbishment Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
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Abstract
Description
Claims (22)
- 부품(1, 120, 130, 138, 155)을 위한 열적 배리어 코팅(10)으로서,상기 열적 배리어 코팅(10)은 둘 이상의 층(11, 12, 13)을 구비하며,상기 둘 이상의 층은 상기 부품의 기판(4)에 가장 밀접하게 위치되고 5 부피% 내지 11 부피%, 특히 9 부피% 내지 11 부피%의 다공도를 가지는 내측 세라믹 열적 배리어 층(11), 그리고 20 부피% 내지 27 부피%, 특히 21 부피% 내지 27 부피%, 보다 특히 23 부피% 내지 27 부피%의 다공도를 가지는 외측 세라믹 열적 배리어 층(13)을 구비하는열적 배리어 코팅(10).
- 제 1 항에 있어서,상기 내측 세라믹 열적 배리어 층(11)과 상기 외측 세라믹 열적 배리어 층(13) 사이에 중간 세라믹 열적 배리어 층(12)이 존재하는열적 배리어 코팅(10).
- 제 2 항에 있어서,상기 중간 세라믹 열적 배리어 층(12)의 다공도가 최소 값으로부터 최대 값 까지 점진적으로 변화되는열적 배리어 코팅(10).
- 제 2 항 또는 제 3 항에 있어서,상기 중간 세라믹 열적 배리어 층(12)의 다공도가 상기 내측 세라믹 열적 배리어 층(11)의 최대 값과 상기 외측 세라믹 열적 배리어 층(13)의 최소 값 사이인열적 배리어 코팅(10).
- 제 2 항 내지 제 4 항 중 어느 한 항에 있어서,상기 중간 세라믹 열적 배리어 층(12)의 다공도가 상기 내측 세라믹 열적 배리어 층(11)의 다공도로부터 상기 외측 세라믹 열적 배리어 층(13)의 다공도까지 증대되는, 특히 (9 부피% - 11 부피%)로부터 (20 부피% - 27 부피%)까지, 특히 (9 부피% - 11 부피%)로부터 (21 부피% - 27 부피%)까지, 매우 특히 (9 부피% - 11 부피%)로부터 (23 부피% to 27 부피%)까지 증대되는열적 배리어 코팅(10).
- 제 2 항 내지 제 4 항 중 어느 한 항에 있어서,상기 중간 세라믹 열적 배리어 층(12)의 다공도는 (9 부피% - 11 부피%)와 (20 부피% - 27 부피%) 사이의 일정한 값, 특히 (9 부피% - 11 부피%)와 (23 부피% to 27 부피%) 사이의 일정한 값을 가지는열적 배리어 코팅(10).
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,상기 내측 세라믹 열적 배리어 층(11)의 층 두께가 100 ㎛ 내지 150 ㎛, 특히 125 ㎛ 인열적 배리어 코팅(10).
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 중간 세라믹 열적 배리어 층(12)의 층 두께가 150 ㎛ 이하, 특히 75 ㎛ 이하인열적 배리어 코팅(10).
- 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,상기 외측 세라믹 열적 배리어 층(13)의 층 두께가 150 ㎛ 내지 2000 ㎛, 특 히 1 mm 내지 2 mm 인열적 배리어 코팅(10).
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,상기 세라믹 열적 배리어 층(11, 12, 13)의 물질은 이트리아-안정화-지르코니아(Y2O3 - ZrO2)로 제조되는열적 배리어 코팅(10).
- 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,상기 내측 세라믹 열적 배리어 코팅(11)은 플라즈마-스프레이되는열적 배리어 코팅(10).
- 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,상기 중간 세라믹 열적 배리어 코팅(12)은 플라즈마-스프레이되는열적 배리어 코팅(10).
- 제 1 항 내지 제 12 항 중 어느 한 항에 있어서,상기 최외측 세라믹 열적 배리어 코팅(13)은 플라즈마-스프레이되는열적 배리어 코팅(10).
- 제 1 항 내지 제 13 항 중 어느 한 항에 있어서,상기 열적 배리어 코팅(10)은 2개의 층(11, 13)으로 이루어지는열적 배리어 코팅(10).
- 제 1 항 내지 제 14 항 중 어느 한 항에 있어서,상기 열적 배리어 코팅(10)은 3개의 층(11, 12, 13)으로 이루어지는열적 배리어 코팅(10).
- 제 1 항 내지 제 15 항 중 어느 한 항에 따라 기판(4) 상에 열적 배리어 코팅(10)을 구비하는 부품.
- 제 16 항에 있어서,상기 기판 상의 중간 금속 층(7)이, 중량%로, Ni-12Co-21Cr-llAl-0.4Y-Re로 제조되는부품.
- 제 16 항에 있어서,상기 기판(4) 상의 중간 금속 층(7)이, 중량%로, Ni-25Co-17Cr-10Al-0.5Y-Re로 제조되는부품.
- 제 16 항에 있어서,상기 기판(4) 상의 중간 금속 층(7)이, 중량%로, Co-30Ni-28Cr-8Al-0.6Y-0.7Si로 제조되는부품.
- 제 16 항 내지 제 19 항 중 어느 한 항에 있어서,상기 기판(4)이 니켈계인(nickel based)부품.
- 제 16 항 내지 제 19 항 중 어느 한 항에 있어서,상기 기판(4)이 코발트계인부품.
- 제 16 항 내지 제 21 항 중 어느 한 항에 있어서,상기 부품이 특히 터빈(100)의 터빈 블레이드(120), 터빈 베인(130), 열 차폐부(155) 또는 케이싱(158)인부품.
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WOPCT/EP2006/061370 | 2006-04-06 | ||
PCT/EP2006/061370 WO2007112783A1 (en) | 2006-04-06 | 2006-04-06 | Layered thermal barrier coating with a high porosity, and a component |
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US (1) | US20090311508A1 (ko) |
EP (1) | EP2002030B1 (ko) |
JP (1) | JP2009542455A (ko) |
KR (1) | KR20080110983A (ko) |
CN (1) | CN101611171B (ko) |
RU (1) | RU2423544C2 (ko) |
WO (2) | WO2007112783A1 (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR101540500B1 (ko) * | 2009-03-18 | 2015-07-31 | 지멘스 악티엔게젤샤프트 | 파이로클로르 상을 갖는 2층의 다공성 층 시스템 |
KR20190073906A (ko) * | 2017-12-19 | 2019-06-27 | 한국남부발전 주식회사 | 다층형 열차폐 코팅막 및 이러한 코팅막이 코팅된 고온 가스터빈 설비 부품 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7875370B2 (en) * | 2006-08-18 | 2011-01-25 | United Technologies Corporation | Thermal barrier coating with a plasma spray top layer |
US8021742B2 (en) * | 2006-12-15 | 2011-09-20 | Siemens Energy, Inc. | Impact resistant thermal barrier coating system |
DE102008007870A1 (de) | 2008-02-06 | 2009-08-13 | Forschungszentrum Jülich GmbH | Wärmedämmschichtsystem sowie Verfahren zu seiner Herstellung |
EP2128306B1 (en) * | 2008-05-26 | 2015-04-29 | Siemens Aktiengesellschaft | Ceramic thermal barrier coating system with two ceramic layers |
EP2141328A1 (en) | 2008-07-03 | 2010-01-06 | Siemens Aktiengesellschaft | Sealing system between a shroud segment and a rotor blade tip and manufacturing method for such a segment |
CN102791908A (zh) * | 2010-02-26 | 2012-11-21 | 西门子公司 | 双层金属粘合层 |
EP2365106A1 (de) * | 2010-03-03 | 2011-09-14 | Siemens Aktiengesellschaft | Keramische Wärmedämmschichtsystem mit modifizierter Anbindungsschicht |
EP2407579A1 (de) * | 2010-07-14 | 2012-01-18 | Siemens Aktiengesellschaft | Poröses keramisches Schichtsystem |
EP2450465A1 (de) * | 2010-11-09 | 2012-05-09 | Siemens Aktiengesellschaft | Poröses Schichtsystem mit poröserer Innenschicht |
JP5561733B2 (ja) * | 2010-12-28 | 2014-07-30 | 株式会社日立製作所 | 遮熱コーティングを有するガスタービン用部品と、それを用いたガスタービン |
FR2972449B1 (fr) * | 2011-03-07 | 2013-03-29 | Snecma | Procede de realisation d'une barriere thermique dans un systeme multicouche de protection de piece metallique et piece munie d'un tel systeme de protection |
DE102011103731A1 (de) * | 2011-05-31 | 2012-12-06 | Man Diesel & Turbo Se | Verfahren zum Aufbringen einer Schutzschicht, mit einer Schutzschicht beschichtetes Bauteil und Gasturbine mit einem solchen Bauteil |
DE102012200560B4 (de) | 2012-01-16 | 2014-08-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung einer keramischen Schicht auf einer aus einer Ni-Basislegierung gebildeten Oberfläche und Gegenstand mit keramischer Schicht |
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US20140220324A1 (en) * | 2012-08-15 | 2014-08-07 | Christopher W. Strock | Thermal barrier coating having outer layer |
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US9139477B2 (en) | 2013-02-18 | 2015-09-22 | General Electric Company | Ceramic powders and methods therefor |
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DE102015223576A1 (de) * | 2015-11-27 | 2017-06-01 | Siemens Aktiengesellschaft | Lokale zweilagige Wärmedämmschicht |
EP3239467A1 (de) * | 2016-04-27 | 2017-11-01 | Siemens Aktiengesellschaft | Strömungsmaschine, laufschaufel und gehäuse |
JP6908973B2 (ja) * | 2016-06-08 | 2021-07-28 | 三菱重工業株式会社 | 遮熱コーティング、タービン部材、ガスタービン、ならびに遮熱コーティングの製造方法 |
FR3058469B1 (fr) * | 2016-11-09 | 2020-08-21 | Safran | Piece de turbomachine revetue d'une barriere thermique et procede pour l'obtenir |
US20180290929A1 (en) * | 2017-04-07 | 2018-10-11 | General Electric Company | Thermal Barrier System with Thin Dense Columnar TBC Layer and Methods of Forming the Same |
US10934626B2 (en) * | 2017-04-21 | 2021-03-02 | General Electric Company | Segmented environmental barrier coating systems and methods of forming the same |
JP6747368B2 (ja) * | 2017-04-21 | 2020-08-26 | 三菱電機株式会社 | 飛しょう体の胴体 |
DE102017207238A1 (de) * | 2017-04-28 | 2018-10-31 | Siemens Aktiengesellschaft | Dichtungssystem für Laufschaufel und Gehäuse |
JP7169077B2 (ja) * | 2018-03-26 | 2022-11-10 | 三菱重工業株式会社 | 遮熱コーティング、タービン部材、ガスタービン及び遮熱コーティングの製造方法 |
CN113811638B (zh) * | 2019-05-22 | 2024-03-05 | 合肥国轩高科动力能源有限公司 | 用于单电池的具有隔热层的壳体 |
JP7372866B2 (ja) * | 2020-03-30 | 2023-11-01 | 三菱重工業株式会社 | セラミックスコーティング、タービン部材及びガスタービン |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4299865A (en) | 1979-09-06 | 1981-11-10 | General Motors Corporation | Abradable ceramic seal and method of making same |
JPH0713291B2 (ja) * | 1985-03-13 | 1995-02-15 | バブコツク日立株式会社 | 金属材料の耐摩耗処理方法 |
US4936745A (en) | 1988-12-16 | 1990-06-26 | United Technologies Corporation | Thin abradable ceramic air seal |
JPH04235074A (ja) * | 1991-01-09 | 1992-08-24 | Seiko Epson Corp | シリアルプリンタ |
JPH05263212A (ja) * | 1992-03-16 | 1993-10-12 | Toshiba Corp | 耐熱被覆 |
JPH0657396A (ja) * | 1992-08-07 | 1994-03-01 | Mazda Motor Corp | 断熱溶射層の形成方法 |
CA2110007A1 (en) * | 1992-12-29 | 1994-06-30 | Adrian M. Beltran | Thermal barrier coating process |
US6102656A (en) * | 1995-09-26 | 2000-08-15 | United Technologies Corporation | Segmented abradable ceramic coating |
JP3258599B2 (ja) | 1996-06-27 | 2002-02-18 | ユナイテッド テクノロジーズ コーポレイション | 断熱バリヤコーティングシステム |
US6057047A (en) * | 1997-11-18 | 2000-05-02 | United Technologies Corporation | Ceramic coatings containing layered porosity |
US20040180233A1 (en) * | 1998-04-29 | 2004-09-16 | Siemens Aktiengesellschaft | Product having a layer which protects against corrosion. and process for producing a layer which protects against corrosion |
US6284390B1 (en) * | 1998-06-12 | 2001-09-04 | United Technologies Corporation | Thermal barrier coating system utilizing localized bond coat and article having the same |
JP3383592B2 (ja) * | 1998-09-10 | 2003-03-04 | トーカロ株式会社 | 溶融金属用容器およびその表面処理方法 |
CA2348145C (en) * | 2001-05-22 | 2005-04-12 | Surface Engineered Products Corporation | Protective system for high temperature metal alloys |
US6432487B1 (en) * | 2000-12-28 | 2002-08-13 | General Electric Company | Dense vertically cracked thermal barrier coating process to facilitate post-coat surface finishing |
AUPR537501A0 (en) * | 2001-05-31 | 2001-06-28 | Australian National University, The | A method of splicing waveguides |
US20030203224A1 (en) * | 2001-07-30 | 2003-10-30 | Diconza Paul Josesh | Thermal barrier coating of intermediate density |
US6924046B2 (en) * | 2001-10-24 | 2005-08-02 | Siemens Aktiengesellschaft | Rhenium-containing protective layer for protecting a component against corrosion and oxidation at high temperatures |
CN1422974A (zh) * | 2001-12-06 | 2003-06-11 | 杨锡尧 | 阻止燃气轮机叶片表面腐蚀的涂层配方与工艺 |
US20030138658A1 (en) * | 2002-01-22 | 2003-07-24 | Taylor Thomas Alan | Multilayer thermal barrier coating |
EP1365044A1 (de) * | 2002-05-24 | 2003-11-26 | Siemens Aktiengesellschaft | MCrAl-Schicht |
US7258934B2 (en) | 2002-09-25 | 2007-08-21 | Volvo Aero Corporation | Thermal barrier coating and a method of applying such a coating |
RU2325467C2 (ru) * | 2002-09-25 | 2008-05-27 | Вольво Аэро Корпорейшн | Способ получения создающего термический барьер покрытия |
EP1541810A1 (de) * | 2003-12-11 | 2005-06-15 | Siemens Aktiengesellschaft | Verwendung einer Wärmedämmschicht für ein Bauteil einer Dampfturbine und eine Dampfturbine |
DE102004002943B4 (de) * | 2004-01-21 | 2007-07-19 | Mtu Aero Engines Gmbh | Schichtsystem für eine Rotor-/Statordichtung einer Strömungsmaschine |
US7597966B2 (en) * | 2005-06-10 | 2009-10-06 | General Electric Company | Thermal barrier coating and process therefor |
-
2006
- 2006-04-06 WO PCT/EP2006/061370 patent/WO2007112783A1/en active Application Filing
-
2007
- 2007-01-22 JP JP2009503503A patent/JP2009542455A/ja active Pending
- 2007-01-22 CN CN2007800122030A patent/CN101611171B/zh not_active Expired - Fee Related
- 2007-01-22 RU RU2008143997/02A patent/RU2423544C2/ru not_active IP Right Cessation
- 2007-01-22 KR KR1020087014844A patent/KR20080110983A/ko active Search and Examination
- 2007-01-22 US US12/225,932 patent/US20090311508A1/en not_active Abandoned
- 2007-01-22 WO PCT/EP2007/050620 patent/WO2007115839A2/en active Application Filing
- 2007-01-22 EP EP20070712076 patent/EP2002030B1/en not_active Not-in-force
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101540500B1 (ko) * | 2009-03-18 | 2015-07-31 | 지멘스 악티엔게젤샤프트 | 파이로클로르 상을 갖는 2층의 다공성 층 시스템 |
KR101492313B1 (ko) * | 2009-12-29 | 2015-02-23 | 지멘스 악티엔게젤샤프트 | 나노 및 마이크로 구조의 세라믹 열 차단 코팅 |
KR20190073906A (ko) * | 2017-12-19 | 2019-06-27 | 한국남부발전 주식회사 | 다층형 열차폐 코팅막 및 이러한 코팅막이 코팅된 고온 가스터빈 설비 부품 |
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EP2002030A2 (en) | 2008-12-17 |
WO2007115839A2 (en) | 2007-10-18 |
CN101611171B (zh) | 2012-11-28 |
EP2002030B1 (en) | 2014-09-10 |
WO2007115839A3 (en) | 2008-03-27 |
WO2007112783A1 (en) | 2007-10-11 |
US20090311508A1 (en) | 2009-12-17 |
CN101611171A (zh) | 2009-12-23 |
RU2008143997A (ru) | 2010-05-20 |
RU2423544C2 (ru) | 2011-07-10 |
JP2009542455A (ja) | 2009-12-03 |
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PJ1301 | Trial decision |
Patent event code: PJ13011S01D Patent event date: 20141229 Comment text: Trial Decision on Objection to Decision on Refusal Appeal kind category: Appeal against decision to decline refusal Request date: 20131023 Decision date: 20141229 Appeal identifier: 2013101007613 |