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Carbon fiber honeycomb structure and preparation method thereof

A technology of honeycomb structure and carbon fiber, which is applied in the preparation of carbon fiber honeycomb structure and the field of carbon fiber honeycomb structure, can solve the problems of single tube forming and bonding with heavy workload and complex process, and achieve obvious buffering and energy absorption effect and good impact resistance , the effect of high specific strength

Active Publication Date: 2018-01-12
SUN YAT SEN UNIV
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

At present, the fiber honeycomb is generally prepared by pultruding a single hexagonal pipe, and then bonding many individual pipes to form carbon fibers. This method is too complicated, and the single-tube forming and bonding workload is large.

Method used

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  • Carbon fiber honeycomb structure and preparation method thereof
  • Carbon fiber honeycomb structure and preparation method thereof
  • Carbon fiber honeycomb structure and preparation method thereof

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Experimental program
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Embodiment Construction

[0033] Attached below figure 1 to attach Figure 5 The present invention is described further:

[0034] Such as Figure 1 to Figure 3 The shown carbon fiber honeycomb structure includes a plurality of honeycomb sub-pieces 1 having a continuous semi-hexagonal shape, and the plurality of honeycomb sub-pieces 1 are arranged in sequence and coated with epoxy resin at the overlapping bonding surfaces 11 Adhesives or adhesive films, fixed and bonded to form a hexagonal honeycomb structure in cross section, in the present invention, the honeycomb sub-part 1 adopts carbon fiber prepreg with a carbon content of more than 90% and heats it through the autoclave process or molded.

[0035] The carbon fiber honeycomb structure of the present invention is prepared by the preparation method:

[0036] Preparation method one:

[0037] The autoclave process that this preparation method adopts comprises the following steps:

[0038] Step S1: Cut the calculated carbon fiber prepreg into the...

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Abstract

The invention relates to the technical field of composite materials, in particular to a carbon fiber honeycomb structure; comprising a plurality of honeycomb sub-pieces having a continuous semi-hexagonal shape, the plurality of honeycomb sub-pieces are arranged in sequence and coated on overlapping bonding surfaces. The cloth adhesive is fixed and bonded to form a hexagonal honeycomb structure in cross section. The honeycomb parts are made of carbon fiber prepreg with a carbon content of more than 90% through an autoclave process or a molding process; The bonding agent adopts epoxy resin adhesive or adhesive film; compared with the existing honeycomb core material, the comprehensive performance is outstanding, and at the same time, it has light weight, high specific strength, good impact resistance, and obvious buffering and energy-absorbing effect; the present invention At the same time, it also provides a preparation method of the carbon fiber honeycomb structure, which overcomes the disadvantage of complicated preparation procedures of the carbon fiber honeycomb structure in the past.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a carbon fiber honeycomb structure, and the invention also provides a preparation method of the carbon fiber honeycomb structure. Background technique [0002] Sandwich materials with honeycomb core materials as the main body are widely used in aerospace, automobile, decoration and other fields to improve strength, rigidity, enhance impact resistance, reduce weight and reduce noise. [0003] Among the honeycomb core materials, paper honeycomb core, carbon fiber paper honeycomb, metal honeycomb core and so on are common. In the existing honeycomb core materials, their properties have their own advantages and disadvantages. For example, paper honeycomb core and carbon fiber paper honeycomb are light in weight, but their strength and hardness are average, low in specific strength, and poor in impact resistance; metal honeycomb core has high strength and high hardness. ,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B3/12B32B9/04B32B27/04B32B37/10B32B37/06
Inventor 刘强李焕平徐希宇欧正言
Owner SUN YAT SEN UNIV
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