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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
25-04-2023 дата публикации

Enhanced ceramic fiber filtering material and preparation method thereof

Номер: CN116003147A
Автор: TANG YUDONG, ZHANG JIUMEI, LIU HUALI, ZHAO SHIKAI, LI JIE, LI XIAOYONG
Принадлежит:

The invention provides an enhanced ceramic fiber filter material and a preparation method thereof. The preparation method comprises the following steps: S1, preparing ceramic slurry; s2, continuous long fibers are wound on a rotating porous mold in the axial direction of the rotating porous mold while the ceramic slurry is poured to the preset length, and then the continuous long fibers are continuously wound in the reverse direction while the ceramic slurry is poured to the preset length; s3, the reciprocating continuous long fiber winding and ceramic slurry pouring process in the step S2 is repeated until the preset thickness is achieved, and a green body is obtained; and S4, drying the green body to obtain the enhanced ceramic fiber filtering material. Wherein the continuous long fibers are alumina fibers mingled with metal wires, high-temperature-resistant glass fibers mingled with metal wires or basalt fibers mingled with metal wires. The reinforced ceramic fiber filter material prepared ...

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Номер записи: 1
26-05-2023 дата публикации

Sintering-free ceramic fiber filtering material and preparation method thereof

Номер: CN116159371A
Автор: TANG YUDONG, ZHANG JIUMEI, NING XIAOLIANG, JIAO GUANGLEI, ZHAO SHIKAI, LIU HUALI, LI XIAOYONG, LI JIE
Принадлежит:

The invention provides a sintering-free ceramic fiber filtering material. The sintering-free ceramic fiber filtering material is prepared from the following raw materials: silica sol, organic silicon resin, polyaluminum chloride, ceramic fibers and water, the raw materials further comprise a component A or a component B, the component A is magnesium aluminum silicate and polyethylene oxide, and the component B is modified starch. The sintering-free ceramic fiber filtering material is prepared from the following raw materials: silica sol, organic silicon resin, polyaluminum chloride, ceramic fibers, water and a component A or a component B. The prepared sintering-free ceramic fiber filtering material has relatively high strength and toughness and is not easy to break in the carrying, mounting and using processes. The invention further provides a preparation method of the sintering-free ceramic fiber filtering material, the preparation method comprises the steps of slurry preparation, high-speed ...

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Номер записи: 2