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A kind of metal and carbon fiber composite wire preparation method

A technology of composite wire and carbon fiber, which is applied in the field of metal materials, can solve the problems of cumbersome preparation steps and low precision of composite wire, and achieve the effect of simple and efficient processing method, high precision, and convenient product size

Inactive Publication Date: 2016-08-24
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a metal and carbon fiber composite wire preparation method to solve the problems of cumbersome preparation steps and low precision of the existing composite wire

Method used

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  • A kind of metal and carbon fiber composite wire preparation method

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preparation example Construction

[0028] Such as figure 1 As shown, the embodiment of the present invention provides a method for preparing a metal and carbon fiber composite wire, which includes the following steps:

[0029] Clamp the lead wire, draw the carbon fiber 3 through the metal pipe 2 by pulling it with a wire or wire, the metal pipe 2 and the carbon fiber 3 are fixed under the clamp of the head clamp, fix the head of the carbon fiber 3 on the central axis of the metal pipe 2, and place it as a whole In the drawing die 1;

[0030] Drawing and compounding, the metal pipe fitting 2 is drawn in a single pass along the drawing direction A, the cross-sectional size of the metal pipe fitting 2 is reduced, the metal pipe fitting 2 and the carbon fiber 3 first contact and then tightly bonded, and finally become a wire;

[0031] Annealing processing, annealing is performed according to the final properties of the material or subsequent processing needs, and the annealing temperature and time are determined a...

Embodiment 1

[0043] Aluminum and carbon fiber composite wire preparation

[0044] The diameter of the aluminum and carbon fiber composite wire is 12mm, the thickness of the cladding aluminum is 5mm, and the diameter of the carbon fiber reinforcement at the core is 2mm. It is 100mm / min, the diameter reduction rate is 30%, and annealing is carried out at 200°C for 0.5h after drawing.

Embodiment 2

[0046] Copper and carbon fiber composite wire preparation

[0047] The diameter of the copper and carbon fiber composite wire is 2mm, the thickness of the copper cladding layer is 0.8mm, and the diameter of the carbon fiber reinforcement at the core is 0.4mm. The drawing speed is 50mm / min, the diameter reduction rate is 15%, and annealing is carried out at 400°C for 0.5h after drawing.

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Abstract

The invention provides a preparation method of a metal and carbon fiber composite wire rod, and relates to the field of metal materials, and the problem that an existing composite wire is tedious in preparation step and low in precision is solved. The preparation method comprises the following steps: clamping and fixing a leading wire, dragging a carbon fiber to penetrate a metal pipe fitting by using a metal wire or wire rod, fixing the metal pipe fitting and the carbon fiber under the clamping of a head clamp, fixing the head part of the carbon fiber at an axle wire position of the metal pipe fitting and integrally placing in a drawing die; drawing, compounding, performing single pass drawing on the metal pipe fitting along the drawing direction, reducing the section size of the metal pipe fitting, wherein the metal pipe fitting is firstly contacted with the carbon fiber and then closely combined with the carbon fiber to finally form the wire rod; and annealing according to the final material performance or subsequent processing requirements, and setting the annealing temperature and time according to specific metal types. The preparation method disclosed by the embodiment of the invention is used for improving the strength of the composite wire rod.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a method for preparing metal and carbon fiber composite wires. Background technique [0002] With the development of science and technology, the strength requirements of wire rods in the industrial field are constantly increasing. It is difficult to improve the strength of high-strength wire rods prepared by traditional methods. The development of composite material science and carbon fiber makes the use of continuous carbon fiber reinforcements to prepare metal matrix composites. A new breakthrough point in strength. [0003] Compared with other plastic processing methods, drawing has the following characteristics: the drawn products have precise dimensions and high surface quality. Since drawing is generally carried out in a cold state, compared with hot-rolled materials, drawn products have higher dimensional accuracy. , so the use of cold-drawn products can reduce the machinin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C1/02B21D39/00
CPCB21C1/00B21D39/00
Inventor 吴春京谢宸洋冯树伟初娣刘增辉姚金金贲利华韩艳秋
Owner UNIV OF SCI & TECH BEIJING