Apparatus and process for preparing carbon fiber reinforced silicon carbide composite material

A composite material and preparation process technology, which is applied in the field of devices for preparing carbon fiber reinforced silicon carbide composite materials, can solve problems such as insecurity, time-consuming, and energy consumption, and achieve the effects of convenient operation, reduced production costs, and improved safety

Inactive Publication Date: 2005-02-16
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] The purpose of the invention is to prepare C in order to overcome original method f / SiC composite materials are time-consuming, energy-consuming and unsafe, providing a safe and rapid preparation of C f / SiC material device and process

Method used

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  • Apparatus and process for preparing carbon fiber reinforced silicon carbide composite material
  • Apparatus and process for preparing carbon fiber reinforced silicon carbide composite material
  • Apparatus and process for preparing carbon fiber reinforced silicon carbide composite material

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Embodiment Construction

[0027] The process of prefabricated parts preparation:

[0028] The preparation process of the protective layer material is as follows: select a carbon fiber rod with a length of 178 mm and a diameter of 6 mm. The carbon fiber rod is firstly immersed in xylene solvent for about 45 minutes, then taken out, and then carbonized for 24 hours in a nitrogen protective atmosphere and a constant temperature of 180°C, and finally a protective layer material is formed on the surface of the carbon fiber rod.

[0029] Strengthening layer material preparation process: Mix xylene and silicon carbide powder into a viscous solution, homogenize it with ultrasonic waves, add carbon powder to the liquid to make the viscosity reach 50-100Pa.s, and make a strengthening layer material solution ; Then put the carbon fiber rod coated with the protective layer material into the solution, and fully impregnate it under the action of ultrasonic waves; finally, dry it under a nitrogen protective atmospher...

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Abstract

The invention relates to equipment of producing carbon fiber enhanced carborundum composite material. The equipment is made up with controlling system, protection kettle system, working kettle system, security isolation system, and protection liquid circulating system. Controlling system connects to every part through leads. Security isolation and working kettle system are installed into protection kettle system. Security isolation connects to working kettle system through air intake duct. Protection liquid circulating system connects to protection kettle through pressure adjusting set. Technics of precast product are as follows: spraying protective layer material on precast product of carbon fiber, spraying strengthening layer material and getting production of precast product. Install the production into working kettle shell to produce carbon fiber enhanced carborundum composite material. The invention reduce producing period to several hours, which improves quality and efficiency and reduce production cost. It can operate in normal pressure and resist burning and exploding. Construction of the equipment is simple, technics reasonable and operation convenient.

Description

1. Technical field [0001] The invention relates to the field of material processing equipment and technology, in particular to a device and technology for preparing carbon fiber reinforced silicon carbide composite materials. 2. Background technology [0002] Due to its good physical, chemical and mechanical properties, carbon fiber reinforced ceramic matrix composites (FRCMC) have received great attention from researchers and applications in the field of materials at home and abroad. The main characteristics of this type of material are: when the FRCMC is loaded with cracks, the fibers with high strength and high modulus pass through various ways of consuming the internal energy of the material, such as crack deflection, fiber pull-out, etc., to prevent catastrophic failure of the material. brittle fracture. [0003] Among the many continuous fiber reinforced ceramic matrix composites, silicon carbide ceramic matrix composites are a more representative one, among which C ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/565C04B35/80
Inventor 耿浩然田宪法王艳
Owner UNIV OF JINAN
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