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A kind of highly transparent porous quartz/quartz ceramic matrix composite material and its preparation method

A technology of composite materials and quartz ceramics, applied in ceramic products, other household appliances, applications, etc., can solve problems such as insufficient wave-transmitting performance, and achieve the effect of improving wave-transmitting performance

Active Publication Date: 2015-09-23
TAICANG PAIOU TECH CONSULTING SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect of insufficient wave-transmitting performance of existing quartz / quartz composite materials, and to provide a method that can significantly improve the wave-transmitting performance of quartz / quartz composite materials under the condition of ensuring strength

Method used

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  • A kind of highly transparent porous quartz/quartz ceramic matrix composite material and its preparation method
  • A kind of highly transparent porous quartz/quartz ceramic matrix composite material and its preparation method

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Embodiment

[0017] figure 1 It is a cross-sectional view of a highly transparent porous quartz / quartz ceramic matrix composite material. Among them, [10] is a quartz / quartz composite layer composed of quartz fiber reinforcement and a quartz matrix, and [20] is a pore, which is characterized in that the pores are evenly present in the part of the quartz / quartz ceramic matrix composite near the inner surface. The channel is circular with a diameter of 1mm, and the distance between the channel layer and the inner surface is 5mm. The volume ratio of the pores to the overall material is 20%. The shape of the channels is straight, and the channels are distributed parallel to each other.

[0018] The preparation method of the above-mentioned high transmission porous quartz / quartz ceramic matrix composite material, the specific steps are as follows:

[0019] (1) Prefabricated pure iron wire in the reinforced structure formed by weaving or lamination of quartz fiber, the pure iron wire is evenly wove...

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Abstract

The invention discloses a high-wave-transparent porous quartz / quartz ceramic-based composite material and a preparation method thereof. The composite material comprises a quartz fiber-reinforced body, a quartz base body and pores, and is characterized in that the pores are uniformly existent in the part of the composite material, close to the inner surface. Pure iron wires are prefabricated in a reinforced structure formed by weaving or stacking quartz fibers, a quartz-based composite material is synthesized through a sol-gel method, and the iron wires in the composite material are etched off by a mixed solution of nitric acid and sulfuric acid to obtain the high-wave-transparent porous quartz / quartz ceramic-based composite material. The composite material has the advantages of high strength and good mechanical property and wave transmittance.

Description

Technical field [0001] The invention relates to a quartz / quartz ceramic matrix composite material and a preparation method thereof, in particular to a high-wave-transmitting porous quartz / quartz ceramic matrix composite material and a preparation method thereof. technical background [0002] In the past 20 years, precision guidance technology has been rapidly developed under the demand for precision guidance aircraft. In order to improve the anti-electromagnetic interference capability and guidance accuracy of precision guided aircraft, its electromagnetic window / cover material is required to still have good wave transmission performance at high temperatures, that is, it is required to have good high temperature resistance, ablation resistance, impact resistance, and heat resistance. Shock and mechanical properties and dielectric properties. Quartz fiber reinforced quartz matrix (SiO 2f / SiO 2 ) Composite material, with the characteristics of high temperature resistance, low die...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/80C04B35/14C04B38/00C04B35/624
Inventor 陈照峰汪洋
Owner TAICANG PAIOU TECH CONSULTING SERVICE
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