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Method of connecting metal with carbon fiber composite material

A connection method and technology of composite materials, applied in the field of connection of dissimilar materials

Inactive Publication Date: 2018-12-18
张家港创博金属科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The arc joining method widely used in metal materials is not suitable for carbon fiber materials

Method used

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  • Method of connecting metal with carbon fiber composite material
  • Method of connecting metal with carbon fiber composite material
  • Method of connecting metal with carbon fiber composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-6

[0037] See Table 1 for the welding plate thickness and welding parameters used in Examples 1-6.

[0038] Silane coupling treatment is carried out on the side where the steel plate is bonded to the carbon fiber.

[0039] The results of post-weld quality inspection are shown in Table 2.

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Abstract

The invention relates to a method of connecting metal with a carbon fiber composite material. A double-electrode spot welding method is conducted on a metal layer, copper electrodes are adopted, the diameter of the contact end of each copper electrode ranges from 6mm to 10mm, the applied pressure ranges from 0.8kN to 3kN, the distance between the electrodes ranges from 40mm to 70mm, the electrodeenergizing current ranges from 4kA to 8kA, and the energizing time ranges from 200ms to 350ms. The materials with the thicknesses smaller than or equal to 5mm can be connected.

Description

technical field [0001] The invention relates to a connection method of metal and carbon fiber reinforced composite material, which belongs to the field of welding technology, in particular to a connection method of dissimilar materials of metal and carbon fiber reinforced composite material. Background technique [0002] Thanks to the advantages of high strength, high toughness and light weight, carbon fiber reinforced composite materials have broad application prospects in the fields of aviation, aerospace, automobiles, machinery and construction. Some applications have been made in aviation, automobile and other fields. But at present, the processing technology of carbon fiber materials, especially the connection technology with other structural metals, is the most restrictive of its industrial application. [0003] The welding of carbon fiber materials and metal materials currently widely used is also a major problem. The arc joining method widely used in metal material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K11/11B23K11/36B29C65/00B23K103/18
CPCB23K11/11B23K11/36B29C65/00
Inventor 潘鑫朱俊李小宝
Owner 张家港创博金属科技有限公司
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