JP2013540887A - Cmas耐性遮熱コーティング層を含む遮熱コーティング - Google Patents
Cmas耐性遮熱コーティング層を含む遮熱コーティング Download PDFInfo
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- JP2013540887A JP2013540887A JP2013520810A JP2013520810A JP2013540887A JP 2013540887 A JP2013540887 A JP 2013540887A JP 2013520810 A JP2013520810 A JP 2013520810A JP 2013520810 A JP2013520810 A JP 2013520810A JP 2013540887 A JP2013540887 A JP 2013540887A
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- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
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- F01D5/284—Selection of ceramic materials
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- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/042—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material including a refractory ceramic layer, e.g. refractory metal oxides, ZrO2, rare earth oxides
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- C—CHEMISTRY; METALLURGY
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
Description
Claims (22)
- 超合金基材と、前記超合金基材の上に重なるカルシア−マグネシア−アルミナ−シリケート(CMAS)耐性遮熱コーティング(TBC)層とを備える物品であって、前記CMAS耐性TBC層が、約50wt%〜約90wt%のTBC組成物であって、イットリア安定化ジルコニア、イットリア安定化ハフニア、少なくとも3つの希土類酸化物で安定化されたジルコニア、及び少なくとも3つの希土類酸化物で安定化されたハフニアの中の少なくとも1つを含む前記TBC組成物と、約10wt%〜約50wt%のCMAS耐性組成物であって、アルミナと、シリカと、Sc、Y、La、Ce、Pr、Nd、Pm、Sm、Eu、Gd、Yb、Dy、Ho、Er、Tm、Tb又はLuの中の少なくとも1つの酸化物とを含む前記CMAS耐性組成物とを含む、前記物品。
- 前記TBC組成物が、少なくとも3つの希土類酸化物で安定化されたジルコニアを含み、前記少なくとも3つの希土類酸化物が、イッテルビアと、サマリアと、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項1に記載の物品。
- 前記TBC組成物が、約2モル%〜約40モル%のイッテルビアと、約0.5モル%〜約20モル%のサマリアと、約0.5モル%〜約20モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項2に記載の物品。
- 前記TBC組成物が、約20モル%〜約40モル%のイッテルビアと、約10モル%〜約20モル%のサマリアと、約10モル%〜約20モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項3に記載の物品。
- 前記TBC組成物が、約4モル%〜約10モル%のイッテルビアと、約1モル%〜約5モル%のサマリアと、約1モル%〜約5モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項3に記載の物品。
- 前記TBC組成物が、約2モル%〜約5モル%のイッテルビアと、約0.5モル%〜約3モル%のサマリアと、約0.5モル%〜約3モル%の、ルテチア、スカンジア、セリア又はネオジミアの中の少なくとも1つとを含む、請求項3に記載の物品。
- 前記TBC組成物が、少なくとも3つの希土類酸化物で安定化されたハフニアを含み、前記少なくとも3つの希土類酸化物が、イッテルビアと、サマリアと、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項1に記載の物品。
- 前記TBC組成物が、約2モル%〜約40モル%のイッテルビアと、約0.5モル%〜約20モル%のサマリアと、約0.5モル%〜約20モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項7に記載の物品。
- 前記TBC組成物が、約20モル%〜約40モル%のイッテルビアと、約10モル%〜約20モル%のサマリアと、約10モル%〜約20モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項8に記載の物品。
- 前記TBC組成物が、約4モル%〜約10モル%のイッテルビアと、約1モル%〜約5モル%のサマリアと、約1モル%〜約5モル%の、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項8に記載の物品。
- 前記TBC組成物が、約2モル%〜約5モル%のイッテルビアと、約0.5モル%〜約3モル%のサマリアと、約0.5モル%〜約3モル%の、ルテチア、スカンジア、セリア又はネオジミアの中の少なくとも1つとを含む、請求項8に記載の物品。
- 前記CMAS耐性TBC層が、酸化タンタル、酸化チタン、ケイ酸ハフニウム、アルカリ酸化物、又はアルカリ土類酸化物の中の少なくとも1つをさらに含む、請求項1から11までのいずれ一項に記載の物品。
- 前記CMAS耐性TBC層が、約0.5ミル〜約20ミルの厚さを有する、請求項1から12までのいずれか一項に記載の物品。
- 前記TBC組成物が第1のTBC組成物を含み、超合金基材の上に重なる第2のTBC組成物を含有する層をさらに備え、前記CMAS耐性TBC層が前記TBC組成物を含有する層の上に重なる、請求項1から13までのいずれか一項に記載の物品。
- 前記第2のTBC組成物が、少なくとも3つの希土類酸化物で安定化されたハフニアを含み、前記少なくとも3つの希土類酸化物が、イッテルビアと、サマリアと、ルテチア、スカンジア、セリア、ガドリニア、ネオジミア又はユーロピアの中の少なくとも1つとを含む、請求項14に記載の物品。
- 前記超合金基材の上に重なる結合層をさらに含み、前記第1のTBC組成物を含有する層が、前記結合層の上に重なる、請求項14又は15に記載の物品。
- 前記第2のTBC組成物を含有する層が第1の層を含み、前記CMAS耐性TBC層の上に重なる第3のTBC組成物を含む第2の層をさらに含み、前記第3のTBC組成物が、イットリア安定化ジルコニア、イットリア安定化ハフニア、少なくとも3つの希土類酸化物で安定化されたジルコニア、又は少なくとも3つの希土類酸化物で安定化されたハフニアの中の少なくとも1つを含む、請求項14から16までのいずれか一項に記載の物品。
- 第1の層が約0.5ミル〜約20ミルの厚さを有し、CMAS耐性TBC層が約0.5ミル〜約20ミルの厚さを有し、且つ第2の層が約0.5ミル〜約20ミルの厚さを有する、請求項17に記載の物品。
- 超合金基材を覆うカルシア−マグネシア−アルミナ−シリケート(CMAS)耐性遮熱コーティング(TBC)層を形成することを含む方法であって、前記CMAS耐性TBC層が、約50wt%〜約90wt%のTBC組成物であって、イットリア安定化ジルコニア、イットリア安定化ハフニア、少なくとも3つの希土類酸化物で安定化されたジルコニア、又は少なくとも3つの希土類酸化物で安定化されたハフニアの中の少なくとも1つを含む前記TBC組成物と、約10wt%〜約50wt%のCMAS耐性組成物であって、アルミナと、シリカと、Sc、Y、La、Ce、Pr、Nd、Pm、Sm、Eu、Gd、Yb、Dy、Ho、Er、Tm、Tb又はLuの中の少なくとも1つの酸化物とを含む前記CMAS耐性組成物とを含む、前記方法。
- 前記超合金基材を覆うCMAS耐性TBC層を形成することが、化学蒸着、プラズマ噴霧、物理蒸着、又はスラリー法の中の少なくとも1つを使用して、前記超合金基材を覆うCMAS耐性TBC層を堆積させることを含む、請求項19に記載の方法。
- 前記遮熱コーティング(TBC)組成物が第1のTBC組成物を含み、更に、超合金基材を覆う第2のTBC組成物を含有する層を形成することを含み、前記第2のTBC組成物は、イットリア安定化ジルコニア、イットリア安定化ハフニア、少なくとも3つの希土類酸化物で安定化されたジルコニア、又は少なくとも3つの希土類酸化物で安定化されたハフニアの中の少なくとも1つを含むものであって、前記超合金基材を覆うカルシア−マグネシア−アルミナ−シリケート(CMAS)耐性TBC層を形成することが、前記第2のTBC組成物を含有する層を覆うCMAS耐性TBC層を形成することを含む、請求項19又は20に記載の方法。
- CMAS耐性TBC層を覆う第3のTBC組成物を含有する層を形成することをさらに含み、前記第3のTBC組成物が、イットリア安定化ジルコニア、イットリア安定化ハフニア、少なくとも3つの希土類酸化物で安定化されたジルコニア、又は少なくとも3つの希土類酸化物で安定化されたハフニアの中の少なくとも1つを含む、請求項21に記載の方法。
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| JP2018161883A (ja) * | 2016-12-11 | 2018-10-18 | ゼネラル・エレクトリック・カンパニイ | 低い熱伝導率を有する遮熱コーティング |
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| JP2021519386A (ja) * | 2018-04-09 | 2021-08-10 | エリコン メテコ(ユーエス)インコーポレイテッド | Cmas耐性、高歪み許容性及び低熱伝導率の遮熱コーティング及び溶射コーティング方法 |
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| JP2021175826A (ja) * | 2020-05-01 | 2021-11-04 | ゼネラル・エレクトリック・カンパニイ | 遮熱コーティング用の組成物 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2596068A1 (en) | 2013-05-29 |
| EP2596068B1 (en) | 2015-09-02 |
| US9194242B2 (en) | 2015-11-24 |
| US20130224457A1 (en) | 2013-08-29 |
| JP5620577B2 (ja) | 2014-11-05 |
| CA2806172C (en) | 2015-04-28 |
| CA2806172A1 (en) | 2012-01-26 |
| WO2012012431A1 (en) | 2012-01-26 |
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