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RARE EARTH TANTALATE CERAMIC RESISTING CORROSION OF LOW MELTING POINT OXIDE AND PREPARATION METHOD THEREFOR
A rare earth tantalate ceramic resisting corrosion of a low melting point oxide. The chemical general formula of the ceramic is RETaO4. A preparation method of the ceramic comprises: taking RE2O3 powder and Ta2O5 powder and adding a solvent for mixing, and performing ball milling on the mixture by using a ball mill to obtain powder A; drying the powder A, and then performing primary sieving to obtain powder B; placing the powder B in a mold for compaction and then pre-sintering same to form a block C, performing grinding by a grinding machine after the block C is cooled to room temperature, and then performing secondary sieving to obtain powder D; and sintering the powder D to obtain the rare earth tantalate ceramic. The rare earth tantalate ceramic obtained by using the technical solution has a high compactness, and a strong capacity of resisting the corrosion of the low melting point oxide.
RARE EARTH TANTALATE CERAMIC RESISTING CORROSION OF LOW MELTING POINT OXIDE AND PREPARATION METHOD THEREFOR
A rare earth tantalate ceramic resisting corrosion of a low melting point oxide. The chemical general formula of the ceramic is RETaO4. A preparation method of the ceramic comprises: taking RE2O3 powder and Ta2O5 powder and adding a solvent for mixing, and performing ball milling on the mixture by using a ball mill to obtain powder A; drying the powder A, and then performing primary sieving to obtain powder B; placing the powder B in a mold for compaction and then pre-sintering same to form a block C, performing grinding by a grinding machine after the block C is cooled to room temperature, and then performing secondary sieving to obtain powder D; and sintering the powder D to obtain the rare earth tantalate ceramic. The rare earth tantalate ceramic obtained by using the technical solution has a high compactness, and a strong capacity of resisting the corrosion of the low melting point oxide.
RARE EARTH TANTALATE CERAMIC RESISTING CORROSION OF LOW MELTING POINT OXIDE AND PREPARATION METHOD THEREFOR
KORROSIONSBESTÄNDIGE SELTENERD-TANTALAT-KERAMIK MIT NIEDRIGEM SCHMELZPUNKT UND VERFAHREN ZU IHRER HERSTELLUNG
CÉRAMIQUE DE TANTALATE DE TERRE RARE RÉSISTANT À LA CORROSION D'OXYDE À BAS POINT DE FUSION ET PROCÉDÉ DE PRÉPARATION ASSOCIÉ
FENG JING (author) / CHEN LIN (author) / CHONG XIAOYU (author) / WANG JUN (author)
2021-12-15
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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| European Patent Office | 2022
HIGH-ENTROPY RARE EARTH-TOUGHENED TANTALATE CERAMIC AND PREPARATION METHOD THEREFOR
| European Patent Office | 2022