FR3039829B1 - Procede de fabrication de ceramiques de yag polycristallin et utilisation des ceramiques obtenues - Google Patents
Procede de fabrication de ceramiques de yag polycristallin et utilisation des ceramiques obtenues Download PDFInfo
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- FR3039829B1 FR3039829B1 FR1557571A FR1557571A FR3039829B1 FR 3039829 B1 FR3039829 B1 FR 3039829B1 FR 1557571 A FR1557571 A FR 1557571A FR 1557571 A FR1557571 A FR 1557571A FR 3039829 B1 FR3039829 B1 FR 3039829B1
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- ceramics
- polycrystalline yag
- manufacturing polycrystalline
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Abstract
L'objet de l'invention est un procédé de fabrication de céramiques de YAG polycristallin (Y3Al5O12) transparentes comprenant la mise en œuvre des étapes suivantes : - a) mélange de poudres d'oxydes primaires d'alumine (Al2O3) et d'yttrine (Y2O3) et d'au moins un agent de frittage en milieu aqueux basique, - b) mise en forme dans un moule de la suspension obtenue à l'étape a pour obtenir au moins une pièce solide, par coulage-gélification en présence d'au moins un agent gélifiant, - c) déliantage sous atmosphère oxydante à pression atmosphérique à une température inférieure à 1200°C, - d) frittage réactif sous vide de la pièce obtenue à l'étape c) à une température supérieure à 1550°C. L'invention vise également l'utilisation des pièces céramiques de YAG polycristallin obtenues en particulier pour des applications décoratives.
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FR1557571A FR3039829B1 (fr) | 2015-08-06 | 2015-08-06 | Procede de fabrication de ceramiques de yag polycristallin et utilisation des ceramiques obtenues |
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FR1557571A FR3039829B1 (fr) | 2015-08-06 | 2015-08-06 | Procede de fabrication de ceramiques de yag polycristallin et utilisation des ceramiques obtenues |
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FR3039829A1 FR3039829A1 (fr) | 2017-02-10 |
FR3039829B1 true FR3039829B1 (fr) | 2022-03-04 |
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FR1557571A Active FR3039829B1 (fr) | 2015-08-06 | 2015-08-06 | Procede de fabrication de ceramiques de yag polycristallin et utilisation des ceramiques obtenues |
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JPS53128587A (en) * | 1977-04-15 | 1978-11-09 | Toshiba Corp | Green color illuminating fluorescent material |
JP2007112951A (ja) * | 2005-10-24 | 2007-05-10 | Fujifilm Corp | 無機化合物及びこれを含む組成物と成形体、発光装置、固体レーザ装置 |
CN103102156A (zh) * | 2011-11-10 | 2013-05-15 | 中国科学院福建物质结构研究所 | 凝胶注模成型制备Re:YAG透明陶瓷 |
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