Large-area high-efficiency carbon fiber coating process

A carbon fiber, high-efficiency technology, applied in the field of large-area and high-efficiency carbon fiber coating process, can solve problems such as carbon fiber prepreg coating process not involved, achieve moderate equipment and process costs, increase impact resistance, surface smooth effect

Inactive Publication Date: 2018-04-20
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

"This patent has the advantages of operability, simple process route, easy access to raw materials, and low production cost, but it does not involve the coating process of carbon fiber prepreg

Method used

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  • Large-area high-efficiency carbon fiber coating process
  • Large-area high-efficiency carbon fiber coating process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The covered part 2 is a metal part, and the carbon fiber coating on the surface of the metal part includes the following steps:

[0041] S1. Apply epoxy resin impregnating glue: evenly coat a layer of epoxy resin impregnating glue (including curing agent) on the surface of the metal parts.

[0042] S2. Surface layering: cutting carbon fiber prepreg 3 of appropriate size, and laying carbon fiber prepreg 3 with a K number of 3K on the surface of the metal part in one or more layers.

[0043] S3. Mold fixing: Cover the carbon fiber prepreg 3 with a layer of polyvinylidene chloride (PVDC) film 6; apply a layer of release agent to the aluminum alloy mold 1, and press the aluminum alloy mold 1 to the carbon fiber prepreg 3 on.

[0044] S4. Vacuum bagging 4: Put the aluminum alloy mold 1 object etc. into the vacuum bag 4, then insert the vacuum tube 5, and seal it tightly with the vacuum sealing mud 7.

[0045] S5. Heating and vacuuming: Put it into a heating oven, set the tem...

Embodiment 2

[0050] The covered part 2 is an engineering plastic part, and the carbon fiber coating on the surface of the engineering plastic part includes the following steps:

[0051] S1. Apply epoxy resin impregnating glue: evenly coat a layer of epoxy resin impregnating glue (including curing agent) on the surface of engineering plastic parts.

[0052] S2. Surface layering: cut the carbon fiber prepreg 3 of appropriate size, and lay the carbon fiber prepreg 3 with a K number of 3K on the surface of the engineering plastic part.

[0053] S3. Mold fixing: Cover the carbon fiber prepreg 3 with a layer of polyvinylidene chloride (PVDC) film 6; apply a layer of release agent to the aluminum alloy mold 1, and press the aluminum alloy mold 1 to the carbon fiber prepreg 3 on.

[0054] S4. Vacuum bagging 4: Put the aluminum alloy mold 1 object etc. into the vacuum bag 4, then insert the vacuum tube 5, and seal it tightly with the vacuum sealing mud 7.

[0055] S5. Heating and vacuuming: Put i...

Embodiment 3

[0060] The covered part 2 is a foam plastic part, and the carbon fiber coating on the surface of the foam plastic part comprises the following steps:

[0061] S1. Apply epoxy resin impregnating glue: evenly coat a layer of epoxy resin impregnating glue and curing agent on the surface of the foam plastic part.

[0062] S2. Surface layering: cut the carbon fiber prepreg 3 of appropriate size, and spread the carbon fiber prepreg 3 with a K number of 1K on the surface of the foam plastic part in one layer.

[0063] S3, mold fixing: cover one layer of polyvinylidene chloride (PVDC) film 6 on the carbon fiber prepreg 3; select the aluminum alloy material as the mold material of the component; apply a layer of release agent to the aluminum alloy mold 1, and The aluminum alloy mold 1 is pressed onto the carbon fiber prepreg 3 .

[0064] S4. Vacuum bagging 4: Put the aluminum alloy mold 1 object etc. into the vacuum bag 4, then insert the vacuum tube 5, and seal it tightly with the va...

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PUM

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Abstract

The invention provides a large-area high-efficiency carbon fiber coating process. The large-area high-efficiency carbon fiber coating process is characterized by including the following steps that thesurface of a to-be-coated part is evenly coated with a layer of carbon fiber dipping glue and curing agent; carbon fiber prepreg is laid on the surface of the part according to needed thickness; thecarbon fiber prepreg is covered with an isolation film; a layer of release agent is smeared on an aluminum alloy mold, and the aluminum alloy mold is press-fit on the surface of the to-be-coated part;the part is put in heating equipment to be heated; after the carbon fiber prepreg is completely cured into a carbon fiber finished product, the mold is separated from the carbon fiber finished product, and the isolation film on the surface is removed; the cured carbon fiber surface is subjected to quality testing; and then a layer of carbon fiber surface glue is smeared on the carbon fiber surface. The process can be used for carbon fiber coating of the surfaces of multiple materials such as metal, engineering plastic, ceramic and foamed plastic, the coated carbon fiber surface is high in evenness, the process is especially suitable for the surfaces of parts of unmanned aerial vehicles and automobiles, and the impact resistance of the unmanned aerial vehicles and the automobiles is improved.

Description

technical field [0001] The invention relates to the field of novel material processing, in particular to a large-area and high-efficiency carbon fiber coating process. Background technique [0002] Carbon fiber is a new type of high-performance fiber material. Its weight is lighter than metal aluminum, and its specific gravity is less than 1 / 4 of that of steel. The tensile strength of carbon fiber resin composite materials is 7 to 9 times that of steel, and the tensile modulus of elasticity is also higher than steel. Carbon fiber has many excellent properties, such as high axial strength and modulus, low density, high specific performance, no creep, ultra-high temperature resistance in non-oxidizing environment, good fatigue resistance, specific heat and electrical conductivity between non-metal and Between metals, the thermal expansion coefficient is small and has anisotropy, good corrosion resistance, and good X-ray transparency. Good electrical and thermal conductivity,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/34B29C70/44B29C70/70B29C70/88
CPCB29C70/342B29C70/443B29C70/70B29C70/887
Inventor 刘向梁瑶武素梅周丽梅王鑫
Owner DALIAN JIAOTONG UNIVERSITY
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