Ceramic made of preceramic paper and/or cardboard structures
A technology of ceramics and cardboard, which is applied in the direction of ceramic products, ceramic layered products, transportation and packaging, etc. It can solve the problems of unfavorable service life of ceramics, partial peeling of ceramics, damage to ceramic functionality, etc., and achieve small weight, high mechanical strength, The effect of high shape retention
Inactive Publication Date: 2013-09-18
ATECH INNOVATIONS
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Problems solved by technology
Also in other areas of application (for example in lightweight construction and lightweight components using ceramics made of pre-ceramic paper structures and / or cardboard structures), spalling of ceramic parts can easily occur due to uneven load distribution, which Can adversely affect the service life of the ceramic and / or impair the functionality of the ceramic
Method used
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[0058] figure 1 Shows an assembly with two outer pre-ceramic paper and / or cardboard structures 1, 2 and with two inner pre-ceramic paper and / or cardboard structures 3, 4, wherein the pre-ceramic paper structures And / or the cardboard structures 1 - 4 are joined to form a composite, especially by lamination and / or gluing. In the composite, the two outer pre-ceramic paper and / or cardboard structures 1, 2 form the outer covering layer and the two inner pre-ceramic paper and / or cardboard structures 3, 4 form the Spacers or intermediate layers of the outer pre-ceramic paper and / or cardboard structures 1 , 2 . From the composites obtainable by joining of pre-ceramic paper and / or cardboard structures 1 - 4 , ceramics can be produced in a manner known per se from the prior art by thermal conversion of the paper and / or cardboard structures.
[0059] according to figure 1 , the paper and / or cardboard structures 1-4 are constructed planarly or planarly, which facilitates the planar int...
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Abstract
The invention relates to a ceramic which can be obtained from a composite of at least two outer preceramic paper and / or cardboard structures (1, 2) as cover layers and at least one inner preceramic paper and / or cardboard structure (3, 4) as an intermediate layer and spacer for the outer preceramic paper and / or cardboard structures (1, 2). According to the invention the inner preceramic paper- and / or cardboard structure (3, 4) in the composite is connected on the upper and / or lower face over the entire surface to at least one further preceramic paper- and / or cardboard structure (1, 2) and the inner preceramic paper- and / or cardboard structure (3, 4) has a plurality of surface cut-outs (5, 6).
Description
technical field [0001] The invention relates to a ceramic made of a primary ceramic (praekeramisch) paper structure and / or a cardboard structure (Pappstruktur), which is especially configured for use as a ceramic filter material, which can be composed of at least two outer primary ceramic paper structures and / or cardboard structure as covering layer with at least one inner pre-ceramic paper structure and / or cardboard structure as spacer (Abstandshalter) and intermediate layer ( Zwischenschicht) compound to obtain. Background technique [0002] Porous ceramics are used technically for a large number of applications, for example as heat insulating structures, combustion accelerants, porous combustion chamber substrates and flame-retardant structures. [0003] Paper structures and / or cardboard structures can be used as forming tools for the production of thin-walled structural ceramics. It is known from the prior art to immerse paper structures and / or cardboard structures in ...
Claims
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IPC IPC(8): C04B38/00C04B38/06C04B35/01
CPCB32B18/00C04B2237/32C04B2237/62C04B2237/704C04B2237/363C04B2237/38C04B2237/597C04B2237/66C04B2237/708C04B2237/72C04B2237/76C04B2237/765B01D2239/065C04B35/01C04B38/008C04B38/0615C04B2111/00793B01D39/2068Y10T428/24149C04B35/00
Inventor P.博尔杜安
Owner ATECH INNOVATIONS