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High-wave-transparent porous quartz/quartz ceramic-based composite material and preparation method thereof

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: 2014-04-16
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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  • High-wave-transparent porous quartz/quartz ceramic-based composite material and preparation method thereof
  • High-wave-transparent porous quartz/quartz ceramic-based composite material and preparation method thereof

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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 material layer composed of quartz fiber reinforcement and quartz matrix, and [20] is a channel, which is characterized in that the channel is uniformly present in the part of the quartz / quartz ceramic matrix composite near the inner surface. The channel is circular with a diameter of 1 mm, and the distance between the channel layer and the inner surface is 5 mm. The volume ratio of pores to the whole material is 20%. The shape of the channels is linear, and the channels are distributed parallel to each other.

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

[0019] (1) The pure iron wire is prefabricated in the reinforced structure formed by quartz fiber weaving or lamination, and the pure i...

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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 highly wave-transparent porous quartz / quartz ceramic matrix composite material and a preparation method thereof. technical background [0002] In the past 20 years, driven by the demand for precision-guided aircraft, precision-guided technology has developed rapidly. In order to improve the anti-electromagnetic interference capability and guidance accuracy of precision-guided aircraft, it is required that the electromagnetic window / cover material still have good wave-transmitting properties at high temperatures, that is, it is required to have good high temperature resistance, ablation resistance, impact resistance, and heat resistance at the same time. Seismic and mechanical properties and dielectric properties. Quartz fiber reinforced quartz matrix (SiO 2f / SiO 2 ) composite material, which has the characteristics of high...

Claims

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Application Information

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IPC IPC(8): C04B35/80C04B35/14C04B38/00C04B35/624
Inventor 陈照峰汪洋
Owner TAICANG PAIOU TECH CONSULTING SERVICE
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