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Preparation method of carbon fiber reinforced silicon carbide ceramic matrix composite corrugated sandwich plate

A technology of silicon carbide ceramic matrix and composite materials, which is applied in the field of preparation of carbon fiber reinforced silicon carbide ceramic matrix composite material corrugated sandwich panels, can solve the problems of inability to fly for a long time, fuel consumption, etc., and achieve reliable connection, low cost, lightening effect of weight

Inactive Publication Date: 2022-04-26
XIAN TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a method for preparing a carbon fiber-reinforced silicon carbide ceramic-based composite material corrugated sandwich panel. In order to reduce the weight of the thermal protection system, it can effectively solve the problem of severe fuel consumption and inability to fly for a long time due to the thermal protection weight of the hypersonic aircraft. question

Method used

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  • Preparation method of carbon fiber reinforced silicon carbide ceramic matrix composite corrugated sandwich plate
  • Preparation method of carbon fiber reinforced silicon carbide ceramic matrix composite corrugated sandwich plate
  • Preparation method of carbon fiber reinforced silicon carbide ceramic matrix composite corrugated sandwich plate

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Embodiment 1

[0024] Embodiment 1: Step 1, pressing corrugated carbon fiber cloth: first dissolving phenolic resin particles in anhydrous ethanol solution to prepare a phenolic resin solution with a mass fraction of 10%, and then spraying the phenolic resin solution evenly along the orthogonal direction On the surface of the two-dimensional carbon fiber cloth, the two-dimensional carbon fiber cloth is clamped by a metal corrugated fixture and placed in an oven. After baking at 35°C for 30 minutes, the fixture is removed to form a corrugated carbon fiber cloth.

[0025] Step 2, layering and immersing in resin solution: First, take one piece of corrugated carbon fiber cloth and one piece of flat carbon fiber cloth obtained in step 1, and stitch the crests or troughs where the corrugated carbon fiber cloth and flat carbon fiber cloth meet to obtain transition layer; then lay several layers of flat carbon fiber cloth, one transition layer, several layers of corrugated carbon fiber cloth, one tra...

Embodiment 2

[0029]Embodiment 2: Step 1, pressing the corrugated carbon fiber cloth: first dissolving the phenolic resin particles in absolute ethanol solution to prepare a phenolic resin solution with a mass fraction of 8%, and then spraying the phenolic resin solution uniformly along the direction of 45 ° On the surface of the two-dimensional carbon fiber cloth, the two-dimensional carbon fiber cloth is clamped by a metal corrugated fixture and placed in an oven. After baking at 30°C for 40 minutes, the fixture is removed to form a corrugated carbon fiber cloth.

[0030] Step 2, layering and immersing in resin solution: First, take one piece of corrugated carbon fiber cloth and one piece of flat carbon fiber cloth obtained in step 1, and stitch the crests or troughs where the corrugated carbon fiber cloth and flat carbon fiber cloth meet to obtain transition layer; then lay several layers of flat carbon fiber cloth, one transition layer, several layers of corrugated carbon fiber cloth, on...

Embodiment 3

[0034] Embodiment 3: Step 1, pressing corrugated carbon fiber cloth: first dissolving phenolic resin particles in anhydrous ethanol solution to prepare a phenolic resin solution with a mass fraction of 15%, and then spraying the phenolic resin solution evenly along the direction of 60 ° On the surface of the two-dimensional carbon fiber cloth, the two-dimensional carbon fiber cloth is clamped by a metal corrugated fixture and placed in an oven. After baking at 40°C for 20 minutes, the fixture is removed to form a corrugated carbon fiber cloth.

[0035] Step 2, layering and immersing in resin solution: First, take one piece of corrugated carbon fiber cloth and one piece of flat carbon fiber cloth obtained in step 1, and stitch the crests or troughs where the corrugated carbon fiber cloth and flat carbon fiber cloth meet to obtain transition layer; then lay several layers of flat carbon fiber cloth, one transition layer, several layers of corrugated carbon fiber cloth, one transi...

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Abstract

The invention relates to the technical field of preparation of thermal protection materials, in particular to a preparation method of a carbon fiber reinforced silicon carbide ceramic matrix composite corrugated sandwich board. The preparation method comprises the following steps: (1) pressing corrugated carbon fiber cloth; (2) laying and immersing in a resin solution; (3) hot-pressing, curing and molding; (4) carbonization treatment; and (5) liquid silicon infiltration. The carbon fiber reinforced silicon carbide ceramic-based composite material corrugated sandwich plate prepared by the invention has the excellent properties of light weight, high strength, heat insulation, ablation resistance and the like, can reduce the weight of a thermal protection system when being applied to the thermal protection system of a hypersonic aircraft, and solves the problems that the aircraft consumes oil seriously and cannot fly for a long time due to the thermal protection weight.

Description

technical field [0001] The invention relates to the technical field of preparation of thermal protection materials, in particular to a method for preparing a carbon fiber reinforced silicon carbide ceramic matrix composite material corrugated sandwich panel. Background technique [0002] Hypersonic vehicles are one of the important development directions in the aerospace field, and have an important impact on future military strategy, space technology, and the entire development of science and technology. Compared with traditional aircraft, hypersonic aircraft has great advantages, which can effectively reduce flight time and reduce space transportation costs. However, when a hypersonic vehicle flies in the atmosphere, the air around the vehicle is strongly compressed and rubbed, resulting in aerodynamic heating, which seriously affects the normal flight of the vehicle. In order to ensure the safe flight of a hypersonic vehicle in an aerodynamic thermal environment, thermal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/573C04B35/577C04B35/80C04B35/622
CPCC04B35/573C04B35/80C04B35/622C04B2235/616C04B2235/428C04B2235/48C04B2235/5256C04B2235/5248C04B2235/77C04B2235/96
Inventor 吕钊钊董晟全刘娇胡惟鹏王进肖泽元马智恩聂松
Owner XIAN TECH UNIV
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