ES2421622T3 - Material sinterizado que comprende circonia estabilizada, alúmina y plaquetas de aluminato de tierras raras, método de fabricación y usos - Google Patents
Material sinterizado que comprende circonia estabilizada, alúmina y plaquetas de aluminato de tierras raras, método de fabricación y usosInfo
- Publication number
- ES2421622T3 ES2421622T3 ES07820992T ES07820992T ES2421622T3 ES 2421622 T3 ES2421622 T3 ES 2421622T3 ES 07820992 T ES07820992 T ES 07820992T ES 07820992 T ES07820992 T ES 07820992T ES 2421622 T3 ES2421622 T3 ES 2421622T3
- Authority
- ES
- Spain
- Prior art keywords
- alumina
- rare earth
- volume
- din
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 4
- 239000000463 material Substances 0.000 title abstract 2
- 229910052761 rare earth metal Inorganic materials 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- -1 rare earth aluminate Chemical class 0.000 title 1
- 229910002076 stabilized zirconia Inorganic materials 0.000 title 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 4
- 239000011159 matrix material Substances 0.000 abstract 3
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 abstract 2
- 238000005245 sintering Methods 0.000 abstract 2
- 239000000919 ceramic Substances 0.000 abstract 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 abstract 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
- C04B35/486—Fine ceramics
- C04B35/488—Composites
- C04B35/4885—Composites with aluminium oxide
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
Un producto sinterizado de cerámica obtenido por sinterización de un material que comprende: a) de 98-50% en volumen de circonia como una matriz, i) estabilizada con una composición de estabilización que tiene ii) de desde 2 a 3 por ciento en moles de itria y de desde 10 a 15 por ciento en moles de ceria; en laque el término porcentaje en moles se relaciona con la matriz de circonia y b) de 2 a 50% en volumen de alúmina; en el que 5 a 90% en volumen de alúmina está en la forma de plaquetas hexagonales de fórmula general REAI11O18por reacción de partículas de alúmina globular distribuidas de manera homogénea incorporadas en la matriz decirconia con el óxido de tierras raras formador de plaquetas durante el procedimiento de sinterización y en el que REsignifica metal de tierras raras y dichas plaquetas hexagonales contienen óxido de lantano,con una resistencia mecánica de >= 800 MPa cuando se mide según DIN EN ISO 6872 y con una tenacidad a lafractura de >= 6 MPa.m1/2 cuando se mide según Din CEN/TS 14425-5 y con un módulo de elasticidad de <= 250 GPacuando se mide según DIN EN 843 Parte 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84946706P | 2006-10-05 | 2006-10-05 | |
| EP06121793 | 2006-10-05 | ||
| PCT/EP2007/060619 WO2008040815A1 (en) | 2006-10-05 | 2007-10-05 | Sintered material comprising stabilized zirconia, alumina and rare earth aluminate platelets, manufacturing method and uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2421622T3 true ES2421622T3 (es) | 2013-09-04 |
Family
ID=37771032
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES07820992T Active ES2421622T3 (es) | 2006-10-05 | 2007-10-05 | Material sinterizado que comprende circonia estabilizada, alúmina y plaquetas de aluminato de tierras raras, método de fabricación y usos |
| ES07820990T Active ES2430842T3 (es) | 2006-10-05 | 2007-10-05 | Material sinterizado que comprende circonia estabilizada, alúmina y laminillas de aluminatos de tierras raras, método de fabricación y usos |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES07820990T Active ES2430842T3 (es) | 2006-10-05 | 2007-10-05 | Material sinterizado que comprende circonia estabilizada, alúmina y laminillas de aluminatos de tierras raras, método de fabricación y usos |
Country Status (1)
| Country | Link |
|---|---|
| ES (2) | ES2421622T3 (es) |
-
2007
- 2007-10-05 ES ES07820992T patent/ES2421622T3/es active Active
- 2007-10-05 ES ES07820990T patent/ES2430842T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2430842T3 (es) | 2013-11-22 |
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