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Alkaline powder kiln furniture with controlled porosity coating
Kiln furniture for a powder comprising an alkali metal, in particular lithium, comprising a porous ceramic body forming a cavity or container for the powder wherein the ceramic body has a porosity of 10% to 40% and an equivalent pore size of 0.5 to 25 microns and is coated on at least a portion of its inner surface with a ceramic coating, the coating comprises a compound selected from the group consisting of aluminum oxide, lithium aluminate optionally comprising silicon, magnesium aluminate spinel, zirconium oxide (preferably stabilized), hafnium oxide, yttrium oxide; the average thickness is 50 to 500 microns; the total porosity is less than 15 vol%, and the volume fraction of pores having a diameter greater than or equal to 2 microns is less than 2.5%.
一种用于包含碱金属特别是锂的粉末的窑具，包括形成用于所述粉末的腔体或容器的多孔陶瓷体，其中所述陶瓷体的开孔率为10％至40％并且等效孔径为0.5至25微米，并且在其内表面的至少一部分上涂覆有陶瓷涂层，所述涂层包括选自氧化铝、任选地包含硅任选的硅的铝酸锂、镁铝尖晶石、氧化锆(优选稳定化)、氧化铪、氧化钇的化合物；平均厚度为50至500微米；总孔隙率小于15体积％，并且直径大于或等于2微米的孔隙的体积分数小于2.5％。
Alkaline powder kiln furniture with controlled porosity coating
Kiln furniture for a powder comprising an alkali metal, in particular lithium, comprising a porous ceramic body forming a cavity or container for the powder wherein the ceramic body has a porosity of 10% to 40% and an equivalent pore size of 0.5 to 25 microns and is coated on at least a portion of its inner surface with a ceramic coating, the coating comprises a compound selected from the group consisting of aluminum oxide, lithium aluminate optionally comprising silicon, magnesium aluminate spinel, zirconium oxide (preferably stabilized), hafnium oxide, yttrium oxide; the average thickness is 50 to 500 microns; the total porosity is less than 15 vol%, and the volume fraction of pores having a diameter greater than or equal to 2 microns is less than 2.5%.
一种用于包含碱金属特别是锂的粉末的窑具，包括形成用于所述粉末的腔体或容器的多孔陶瓷体，其中所述陶瓷体的开孔率为10％至40％并且等效孔径为0.5至25微米，并且在其内表面的至少一部分上涂覆有陶瓷涂层，所述涂层包括选自氧化铝、任选地包含硅任选的硅的铝酸锂、镁铝尖晶石、氧化锆(优选稳定化)、氧化铪、氧化钇的化合物；平均厚度为50至500微米；总孔隙率小于15体积％，并且直径大于或等于2微米的孔隙的体积分数小于2.5％。
Alkaline powder kiln furniture with controlled porosity coating
具有受控孔隙率涂层的碱性粉末窑具
SAAD HASSAN (author) / ALIMANTE ANDREA (author) / BREULING JOHN (author)
2024-08-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C23C
Beschichten metallischer Werkstoffe
,
COATING METALLIC MATERIAL
/
F27B
Industrieöfen, Schachtöfen, Brennöfen, Retorten allgemein
,
FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
/
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
/
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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