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A kind of preparation method of fiber reinforced ceramic matrix composite material with low thermal expansion coefficient

A technology with low thermal expansion coefficient and thermal expansion coefficient, which is applied in metal material coating process, coating, gaseous chemical plating, etc., can solve problems such as system failure and image deformation, and achieve short cycle time and high production efficiency.
The effect of low cost and simple preparation process

Active Publication Date: 2016-05-11
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Deviation, causing the system not to work properly and the image to be distorted

Method used

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  • A kind of preparation method of fiber reinforced ceramic matrix composite material with low thermal expansion coefficient
  • A kind of preparation method of fiber reinforced ceramic matrix composite material with low thermal expansion coefficient
  • A kind of preparation method of fiber reinforced ceramic matrix composite material with low thermal expansion coefficient

Examples

Experimental program
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Embodiment 1

Embodiment 2

[0028] According to the same process as Example 1 to prepare the composite material, the difference is that the deposition time is extended to 15h. complex

Embodiment 3

[0030] According to the same process as Example 1 to prepare the composite material, the difference is that the deposition time is extended to 20h. complex

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Abstract

The invention discloses a method for preparing a fiber-reinforced ceramic matrix composite material with a low thermal expansion coefficient, comprising: firstly, carrying out structural weaving of a fiber preform, and the material of the fiber preform is carbon fiber or silicon carbide fiber, or a combination of the two ; secondly, the interfacial phase is prepared on the surface of the fiber preform; thirdly, the chemical vapor deposition process is used first, and then the fiber preform is densified by the impregnation and cracking process of the organic precursor. The invention can obtain the fiber-reinforced ceramic matrix composite material with low coefficient of thermal expansion.

Description

A kind of preparation method of fiber-reinforced ceramic matrix composite material with low thermal expansion coefficient Technical field [0001] The present invention relates to the technical field of ceramic matrix composite preparation, in particular to a fiber augmenter with a low coefficient of thermal expansion A method for preparing a strong ceramic matrix composite. Background technique Along with the rapid development of space technology, my country's space exploration depth and breadth are improving rapidly, and this is to space remote Sensitive detection systems put forward higher and higher requirements. The core of the space remote sensing detection system is the optical system, which is mainly composed of Composed of primary reflector, secondary reflector and camera barrel. The camera lens barrel is one of the very important components, and its front end supports Supporting the secondary reflector, the rear end is directly connected with the primary mirr...

Claims

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Application Information

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IPC IPC(8): C23C16/32C04B35/622C04B35/80
Inventor 董绍明周海军张翔宇高乐王震何平刘猛
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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