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A kind of carbon fiber reinforced composite material wing and preparation method thereof

A reinforced composite material and carbon fiber technology, which is applied to other household appliances, household appliances, household components, etc., to achieve the effects of easy control of parameters, high strength, and low manufacturing cost

Active Publication Date: 2022-07-29
CHANGSHA JIAYI SEALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, there is no report about low-cost and high-performance carbon fiber reinforced composite wings

Method used

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  • A kind of carbon fiber reinforced composite material wing and preparation method thereof
  • A kind of carbon fiber reinforced composite material wing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Impregnating 12K T700 carbon fiber unidirectional cloth with modified phenolic resin to obtain carbon fiber unidirectional cloth prepreg, wherein in the carbon fiber unidirectional cloth prepreg, the mass fraction of modified phenolic resin is 40%;

[0043] The 3K T300 carbon fiber twill fabric is impregnated with modified phenolic resin to obtain carbon fiber twill fabric prepreg, wherein the mass fraction of modified phenolic resin in the carbon fiber twill fabric is 40%.

[0044] (2) Cut the 12K T700 carbon fiber unidirectional cloth prepreg into small pieces with different widths, lengths and plane projection shapes of the wings. Then, the prepreg carbon fiber unidirectional cloth pieces are stacked at an angle that the fiber directions are perpendicular to each other, and the number of layers is 55 to obtain a carbon fiber unidirectional cloth prepreg block.

[0045] (3) Then, two layers of 3K T300 carbon fiber twill prepreg were coated on the upper and lower s...

Embodiment 2

[0051] (1) Impregnating 12K T700 carbon fiber unidirectional cloth with modified phenolic resin to obtain carbon fiber unidirectional cloth prepreg, wherein in the carbon fiber unidirectional cloth prepreg, the mass fraction of modified phenolic resin is 40%;

[0052] The 3K T300 carbon fiber twill fabric is impregnated with modified phenolic resin to obtain carbon fiber twill fabric prepreg, wherein the mass fraction of modified phenolic resin in the carbon fiber twill fabric is 40%.

[0053] (2) Cut the 12K T700 carbon fiber unidirectional cloth prepreg into small pieces with different widths, lengths and plane projection shapes of the wings. Then, 55 layers of carbon fiber unidirectional cloth prepreg pieces are laminated at an angle of 45° between the fiber directions to obtain a carbon fiber unidirectional cloth prepreg block.

[0054] (3) Then, two layers of 3K T300 carbon fiber twill prepreg were coated on the upper and lower surfaces of the carbon fiber unidirectional ...

Embodiment 3

[0060] (1) Impregnating 12K T700 carbon fiber unidirectional cloth with modified phenolic resin to obtain carbon fiber unidirectional cloth prepreg, wherein the mass fraction of modified phenolic resin in the carbon fiber unidirectional cloth prepreg is 45%;

[0061] The 3K T300 carbon fiber twill fabric is impregnated with modified phenolic resin to obtain carbon fiber twill fabric prepreg, wherein the mass fraction of modified phenolic resin in the carbon fiber twill fabric is 45%.

[0062] (2) Cut the 12K T700 carbon fiber unidirectional cloth prepreg into small pieces with different widths, lengths and plane projection shapes of the wings. Then, the prepreg carbon fiber unidirectional cloth pieces are stacked at an angle that the fiber directions are perpendicular to each other, and the number of layers is 55 to obtain a carbon fiber unidirectional cloth prepreg block.

[0063] (3) Then, two layers of 3K T300 carbon fiber twill prepreg were coated on the upper and lower su...

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Abstract

The invention discloses a carbon fiber reinforced composite material elastic wing and a preparation method thereof. The preparation method includes the following steps: impregnating carbon fiber unidirectional cloth and carbon fiber twill cloth with modified phenolic resin to obtain carbon fiber unidirectional cloth cloth prepreg, carbon fiber twill prepreg; cut the carbon fiber unidirectional cloth prepreg to obtain carbon fiber unidirectional cloth prepreg sheet, and then laminate the carbon fiber unidirectional cloth prepreg sheet to obtain carbon fiber Unidirectional cloth prepreg block, and then cover the upper and lower surfaces of the carbon fiber unidirectional cloth prepreg block with n layers of carbon fiber twill prepreg to obtain a carbon fiber prepreg block, where n≥1 layer, and then the carbon fiber prepreg block is hot-pressed and machined to obtain a carbon fiber reinforced composite elastic wing. The above preparation method is simple and controllable, and the cost is low, and the obtained wing is light in weight, high in strength and low in cost.

Description

technical field [0001] The invention belongs to the technical field of composite material preparation, and in particular relates to a carbon fiber reinforced composite material wing and a preparation method thereof. Background technique [0002] The performance of the materials used in the missile determines the quality of the missile's structure and component performance, which in turn determines the quality of the missile's operational technical performance. Compared with similar foreign products, our country's aviation missiles often differ greatly in terms of structure size and quality when the tactical performance is similar. One of the important reasons for this gap is that the materials used in my country's aviation missiles are relatively backward, and a large number of conventional materials such as aluminum alloy and steel are still used. Compared with advanced composite materials, the specific strength and specific modulus of these materials are lower. The speci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/34B29C70/54
CPCB29C70/345B29C70/54B29L2031/777
Inventor 冯志荣易茂中冉丽萍周远明陈清华
Owner CHANGSHA JIAYI SEALS
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