DE102018204498A1 - Keramisches Material auf der Basis von Zirkonoxid mit weiteren Oxiden - Google Patents
Keramisches Material auf der Basis von Zirkonoxid mit weiteren Oxiden Download PDFInfo
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- DE102018204498A1 DE102018204498A1 DE102018204498.8A DE102018204498A DE102018204498A1 DE 102018204498 A1 DE102018204498 A1 DE 102018204498A1 DE 102018204498 A DE102018204498 A DE 102018204498A DE 102018204498 A1 DE102018204498 A1 DE 102018204498A1
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/70—Forming laminates or joined articles comprising layers of a specific, unusual thickness
- C04B2237/704—Forming laminates or joined articles comprising layers of a specific, unusual thickness of one or more of the ceramic layers or articles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/284—Selection of ceramic materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
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- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
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- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/21—Oxide ceramics
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- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/21—Oxide ceramics
- F05D2300/2118—Zirconium oxides
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Abstract
Durch gezielte Auswahl der Zugaben von Oxiden zu Zirkonoxid wird ein keramisches Material bereitgestellt, insbesondere für die Verwendung eines Schichtsystems, das einen hohen Sinterwiderstand, hohe Dehnungstoleranz und geringe Wärmeleitfähigkeit aufweist.
Description
- Die Erfindung betrifft ein keramisches Material, was insbesondere zur Verwendung von keramischen Schichten verwendet werden kann. Die Verwendung von Zirkonoxid-basierten keramischen Materialien sind aus der Verwendung für keramische Hitzeschilde aus Vollmaterial oder keramische Schutzschichten auf Turbinenschaufeln oder Hochtemperaturbauteilen bekannt. Dabei ist es wichtig, dass ein hoher Sinterwiderstand, eine Phasenstabilität, eine hohe Bruchzähigkeit und hohe Dehnungstoleranz gegeben ist.
- Es ist daher Aufgabe der Erfindung bestehende Materialsysteme zu verbessern.
- Die Aufgabe wird gelöst durch ein keramisches Material gemäß Anspruch 1.
- In den weiteren Unteransprüchen sind weitere Vorteile aufgelistet, die beliebig miteinander kombiniert werden können, um weitere Vorteile zu erzielen.
- Es zeigen die
1 ,2 schematisch Schichtsysteme aus einem keramischen Material. - Es wird vorgeschlagen, 4mol% bis 30mol% Ceroxid (CeO2), Calciumoxid (CaO) und/oder Magnesiumoxid (MgO) als weitere optionale Oxide und als Basisoxid 2mol% bis 30mol% Erbiumoxid (Er2O3) und/oder Ytterbiumoxid (Yb2O3) zu verwenden.
- Eine solche keramische Schicht hat insbesondere eine Schichtdicke von 20µm bis 1000µm, insbesondere bis 2000µm und kann vorzugsweise mittels thermischem Spritzen, insbesondere APS oder EB-PVD hergestellt werden.
- Das keramische Material hat einen hohen Sinterwiderstand, eine hohe Dehnungstoleranz und hohe Bruchzähigkeit sowie weist es eine geringere Wärmeleitfähigkeit auf.
- Ausführungsbeispiele:
- ZrO2 +
- - Er2O3 + Yb2O3
- - Yb2O3
- - Er2O3 (3 Varianten mit Basisoxiden)
- Zu diesen 3 Varianten können jeweils
- - CeO2
- - CaO
- - MgO
- - CeO2+ CaO
- - CeO2+ MgO
- - CaO + MgO
- - CeO2+ CaO + MgO
-
1 zeigt ein erfindungsgemäßes Schichtsystem1 . - Das Schichtsystem
1 weist ein Substrat4 auf. Das Substrat4 ist insbesondere eine Nickelbasis-Superlegierung oder stellt ein CMC-Substrat dar. - Auf dem Substrat
4 ist eine Anbindungsschicht vorhanden, die insbesondere bei einer Nickelbasis-Superlegierung eine NiCoCrAlY-basierte Legierung oder eine Aluminid- bzw. eine Platin-Aluminidschicht darstellt. - Auf dieser metallischen Haftvermittlerschicht bildet sich während des Beschichtens oder während des Betriebs eine Oxidschicht (TGO) aus.
- Auf dieser Oxidschicht (TGO) oder auf der metallischen Haftvermittlerschicht
7 ist eine keramische Schicht gemäß dem keramischen Material aufgebracht. - Im Falle eines keramischen Substrats
4 (CMC) ist gegebenenfalls keine Anbindungsschicht für die keramische Schicht10 notwendig. - In
2 ist eine Variante gezeigt, bei der das Schichtsystem1` bezüglich der keramischen Schutzschicht zweilagig ausgebildet ist. Bezüglich des Substrats und/oder der Substratmaterialien der Anbindungsschicht7 gilt vergleichbares bei1 . Jedoch bildet die äußerste keramische Schicht16 hier das keramische Material der Erfindung. - Unter dieser keramischen Schicht
16 ist eine keramische Anbindungsschicht13 vorhanden zwecks Anpassung von thermischen Ausdehnungskoeffizienten oder Anpassung der Porositäten.
als weitere Oxide hinzugegeben werden, also insgesamt 21 Varianten.
Claims (15)
- Keramisches Material auf der Basis von Zirkonoxid (ZrO2) mit Ytterbiumoxid (Yb2O3) und/oder Erbiumoxid (Er2O3) als Basisoxid oder Basisoxide sowie optional zumindest einem weiteren Oxid ausgewählt aus der Gruppe: Ceroxid (CeO2), Calciumoxid (CaO) und Magnesiumoxid (MgO).
- Keramisches Material nach
Anspruch 1 , bei dem Erbiumoxid (Er2O3) und Ytterbiumoxid (Yb2O3) als Basisoxide verwendet werden, insbesondere nur diese beiden als Oxide. - Keramisches Material nach
Anspruch 1 , bei dem nur Erbiumoxid (Er2O3) als Basisoxid verwendet wird, insbesondere nur dieses als Oxid. - Keramisches Material nach
Anspruch 1 , bei dem nur Ytterbiumoxid (Yb2O3) als Basisoxid verwendet wird, insbesondere nur dieses als Oxid. - Keramisches Material nach einem oder mehreren der
Ansprüche 1 ,2 ,3 oder4 , aufweisend ein Basisoxid oder Basisoxide sowie zumindest ein weiteres Oxid. - Keramisches Material nach
Anspruch 1 ,2 ,3 ,4 oder5 , bei dem Calciumoxid (CaO) und Ceroxid (CeO2) als weitere Oxide verwendet werden, insbesondere nur diese als weitere Oxide. - Keramisches Material nach
Anspruch 1 ,2 ,3 ,4 oder5 , bei dem Calciumoxid (CaO) und Magnesiumoxid (MgO) als weitere Oxide verwendet werden, insbesondere nur diese als weitere Oxide. - Keramisches Material nach
Anspruch 1 ,2 ,3 ,4 oder5 , bei dem Magnesiumoxid (MgO2) und Ceroxid (CeO2) als weitere Oxide verwendet werden, insbesondere nur diese als weitere Oxide. - Keramisches Material nach
Anspruch 1 ,2 ,3 ,4 oder5 , bei dem Ceroxid (CeO2) als weiteres Oxid verwendet wird, insbesondere nur dieses als weiteres Oxid. - Keramisches Material nach einem oder mehreren der
Ansprüche 1 ,2 ,3 ,4 oder5 , bei dem Magnesiumoxid (MgO) als weiteres Oxid verwendet wird, insbesondere nur dieses als weiteres Oxid. - Keramisches Material nach einem oder mehreren der
Ansprüche 1 ,2 ,3 ,4 oder5 , bei dem Magnesiumoxid (MgO), Calciumoxid (CaO) und Ceroxid (CeO2) als weitere Oxide verwendet werden, insbesondere nur diese als weitere Oxide. - Keramisches Material nach einem oder mehreren der
Ansprüche 1 bis11 , das 2mol% - 30mol% Ytterbiumoxid (Yb2O3) und/oder Erbiumoxid (Er2O3) aufweist. - Keramisches Material nach einem oder mehreren der
Ansprüche 1 bis12 , das 4mol% - 30mol% Ceroxid (CeO2), Calciumoxid (CaO) und/oder Magnesiumoxid (MgO) aufweist. - Schichtsystem, aufweisend ein Substrat, insbesondere ein metallisches Substrat, auf der Basis einer Nickel- oder Kobalt-basierten Superlegierung, eine Anbindungsschicht, insbesondere eine Anbindungsschicht auf der Basis NiCoCrAlY, sowie eine keramische Schicht auf der Basis eines keramischen Materials nach einem oder mehreren der vorherigen
Ansprüche 1 bis13 . - Schichtsystem nach
Anspruch 14 , aufweisend eine Schichtdicke für die keramische Schicht von 20µm bis 1000µm, insbesondere bis 2000µm, ganz insbesondere hergestellt mittels thermischem Spritzen, insbesondere APS oder EB-PVD.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018204498.8A DE102018204498A1 (de) | 2018-03-23 | 2018-03-23 | Keramisches Material auf der Basis von Zirkonoxid mit weiteren Oxiden |
EP19710306.2A EP3743402A1 (de) | 2018-03-23 | 2019-02-26 | Keramisches material auf der basis von zirkonoxid mit weiteren oxiden |
CN201980021284.3A CN111971261A (zh) | 2018-03-23 | 2019-02-26 | 基于氧化锆并且具有其他氧化物的陶瓷材料 |
RU2020127787A RU2020127787A (ru) | 2018-03-23 | 2019-02-26 | Керамический материал на основе оксида циркония с дополнительными оксидами |
PCT/EP2019/054650 WO2019179722A1 (de) | 2018-03-23 | 2019-02-26 | Keramisches material auf der basis von zirkonoxid mit weiteren oxiden |
US16/979,099 US20200407282A1 (en) | 2018-03-23 | 2019-02-26 | Ceramic material based on zirconium oxide with further oxides |
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DE102018204498.8A DE102018204498A1 (de) | 2018-03-23 | 2018-03-23 | Keramisches Material auf der Basis von Zirkonoxid mit weiteren Oxiden |
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US (1) | US20200407282A1 (de) |
EP (1) | EP3743402A1 (de) |
CN (1) | CN111971261A (de) |
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DE102018215223A1 (de) * | 2018-09-07 | 2020-03-12 | Siemens Aktiengesellschaft | Keramisches Material auf der Basis von Zirkonoxid mit weiteren Oxiden und Schichtsystem |
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-
2019
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- 2019-02-26 WO PCT/EP2019/054650 patent/WO2019179722A1/de unknown
- 2019-02-26 CN CN201980021284.3A patent/CN111971261A/zh active Pending
- 2019-02-26 US US16/979,099 patent/US20200407282A1/en not_active Abandoned
- 2019-02-26 RU RU2020127787A patent/RU2020127787A/ru unknown
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RU2020127787A (ru) | 2022-02-21 |
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WO2019179722A1 (de) | 2019-09-26 |
CN111971261A (zh) | 2020-11-20 |
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