A kind of ceramic body, preparation method and drying method of ceramic green body

A technology of ceramic body and drying method, which is applied in the direction of ceramic molding machines, manufacturing tools, etc., can solve the problems of deformation and cracking of ceramic body, achieve the effects of reducing stress and strain, simple process, and restraining deformation

Active Publication Date: 2019-09-03
河北盛平电子科技有限公司
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  • Abstract
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Problems solved by technology

[0005] In view of this, in order to solve the problem of deformation and cracking of the ceramic body during the drying process, the embodiment of the present application provides a ceramic body, a preparation method and a drying method for the ceramic body

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  • A kind of ceramic body, preparation method and drying method of ceramic green body
  • A kind of ceramic body, preparation method and drying method of ceramic green body
  • A kind of ceramic body, preparation method and drying method of ceramic green body

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Embodiment Construction

[0027] In order to make the purpose, technical solutions, and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely in conjunction with specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

[0028] figure 1 It is a flowchart of an embodiment of a method for preparing ceramic green bodies by injection molding.

[0029] Take the particle diameter as 0.8μm and the specific surface area as 8.32m 2 / g of α-alumina ceramic powder as raw material, using ethylene glycol diglycidyl ether (EGDE) and 3-diaminodipropylamine as gelling agent and triggering agen...

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Abstract

The invention discloses a ceramic body, a preparation method and a drying method of a ceramic blank and solves the problem that the ceramic blank deforms and cracks in a drying process. The drying method of the ceramic blank comprises the following steps of: putting a bottom water absorbing material in the bottom of a cavity of a drying box; putting a blank on the bottom water absorbing material; putting a top water absorbing material on the blank; applying a uniform pressure to the top water absorbing material; and hermetically drying the blank. The invention also discloses the preparation method of the ceramic body. The preparation method comprises the following steps of: performing gelcasting on ceramic powder to form the ceramic blank; drying the ceramic blank by employing the drying method; heating the ceramic blank to remove organic matters; and performing high-temperature sintering. The invention also discloses the ceramic body which is prepared by employing the preparation method. According to the method and product disclosed by the invention, the water content of the blank is reduced to a great extent, the moisture gradient of the blank in the drying process is reduced to reduce the stress and strain so as to prevent the ceramic blank from cracking and inhibit deformation of the ceramic blank, and the process is simple and the cost is low.

Description

Technical field [0001] The invention relates to the field of ceramic material preparation, in particular to a method for preparing a ceramic body and a method for drying the green body. Background technique [0002] Injection molding is a very important ceramic molding method, and its application is extremely wide. All ceramic objects with complex shapes, irregular shapes, thin walls, large volumes and less strict requirements can be used in injection molding technology. [0003] Injection molding is the organic combination of traditional ceramic technology and polymer chemistry, and the flexible application of polymer monomer polymerization to the ceramic molding process. The net size, The formation of high-strength, high-density ceramic bodies. The basic principle of the process is to add organic monomers to the ceramic slurry with low viscosity and high solid content. Under the action of catalysts and initiators, the organic The monomer is cross-linked into a three-dimensional ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B11/24B28B1/26C04B35/10C04B35/622
Inventor 徐国胜
Owner 河北盛平电子科技有限公司
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