High-tensile-strength environment-friendly fiber composite and processing technology thereof

A fiber composite material, tensile strength technology, applied in the field of fiber reinforcement, can solve the problems of reducing the comprehensive performance of composite materials, carbon fiber damage, poor wettability, etc., and achieve the effect of solving wettability, high practicability, and low expansion coefficient

Inactive Publication Date: 2019-06-18
卢卫征
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the actual process of preparing aluminum-based fiber composites, due to the poor wettability between carbon fibers, glass fibers and aluminum-based alloys, an interfacial reaction will occur at the interface between carbon fibers and aluminum-based alloys, and the reaction will form a layer The brittle carbide Al4C3 will not only reduce the comprehensive performance of the composite material, but also cause damage to the carbon fiber, which brings us inconvenience

Method used

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  • High-tensile-strength environment-friendly fiber composite and processing technology thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] First prepare raw materials, weigh carbon fiber, glass fiber, aluminum-based alloy, manganese dioxide and mullite in proportion, weigh boron carbide, silicon carbide, carbon black, silicon powder and phenolic resin in proportion, and set aside;

[0055] Then prepare the treatment agent, take boron carbide, silicon carbide, carbon black and phenolic resin, dissolve in deionized water, ball mill for 24 hours, dry at 45°C for 12 hours, granulate, and dry press to obtain material A; put material A into vacuum In the sintering furnace, add silicon powder, heat up to 1350°C at 3°C / min, then continue to heat up to 1500°C at 2-3°C / min, keep warm for 2-3 hours, and cool down with the furnace to obtain the treatment agent;

[0056] Then carry out the surface coating of the composite fiber, take carbon fiber and glass fiber, mix them evenly, then heat at 350°C for 20min, rinse with deionized water, soak in acetone for 0.5h, and then soak in nitric acid with a mass concentration of ...

Embodiment 2

[0061] First prepare raw materials, weigh carbon fiber, glass fiber, aluminum-based alloy, manganese dioxide and mullite in proportion, weigh boron carbide, silicon carbide, carbon black, silicon powder and phenolic resin in proportion, and set aside;

[0062] Then prepare the treatment agent, take boron carbide, silicon carbide, carbon black and phenolic resin, dissolve in deionized water, ball mill for 26 hours, dry at 50°C for 13 hours, granulate, and dry press to obtain material A; put material A into vacuum In the sintering furnace, add silicon powder, heat up to 1400°C at 3.5°C / min, then continue to heat up to 1550°C at 2.5°C / min, keep warm for 2.5h, and cool down with the furnace to obtain the treatment agent;

[0063] Then carry out the surface coating of the composite fiber, take carbon fiber and glass fiber, mix them evenly, then heat at 400°C for 30min, rinse with deionized water, then soak in acetone for 0.8h, after washing with water, immerse in nitric acid with a ...

Embodiment 3

[0068] First prepare raw materials, weigh carbon fiber, glass fiber, aluminum-based alloy, manganese dioxide and mullite in proportion, weigh boron carbide, silicon carbide, carbon black, silicon powder and phenolic resin in proportion, and set aside;

[0069] Then prepare the treatment agent, take boron carbide, silicon carbide, carbon black and phenolic resin, dissolve in deionized water, ball mill for 28 hours, dry at 55°C for 14 hours, granulate, and dry press to obtain material A; put material A into vacuum In the sintering furnace, add silicon powder, raise the temperature to 1450°C at 4°C / min, then continue to raise the temperature to 1600°C at 3°C / min, keep it warm for 2-3 hours, and cool down with the furnace to obtain the treatment agent;

[0070] Then carry out surface coating of composite fiber, take carbon fiber and glass fiber, mix well, then heat at 450°C for 40min, rinse with deionized water, then soak in acetone for 1h, after washing with water, immerse in nitr...

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Abstract

The invention discloses a high-tensile-strength environment-friendly fiber composite and a processing technology thereof. The high-tensile-strength environment-friendly fiber composite is prepared, and a metal fiber composite is prepared from raw materials including composite fibers and an Al-based alloy; the Al-based alloy has the relatively high specific modulus and specific strength, has the advantages of low expansion coefficient, low heat conductivity and the like and is the most widely used one in metal-matrix composites nowadays; and according to the technical scheme, the composite fibers are prepared by mixing carbon fibers and glass fibers, so that the tensile strength and the ductility of the composite can be improved effectively. According to the high-tensile-strength environment-friendly fiber composite and the processing technology thereof, the ratio design is reasonable, the operation technology is optimized, the fiber composite is prepared, and meanwhile, the tensile strength and the ductility of the composite are improved, so that the problem about the wettability between the composite fibers and the Al-based alloy is solved effectively, and the composite has the relatively high practicability.

Description

technical field [0001] The invention relates to the technical field of fiber reinforcement, in particular to an environment-friendly fiber composite material with high tensile strength and a processing technology thereof. Background technique [0002] With the development of modern science and technology and high-tech industries, especially the rapid development of aerospace, aviation, electronics, automobiles and advanced weapon systems, there are increasing performance requirements for materials. In addition to requiring materials to have some special properties, they must also It has excellent comprehensive performance, which has effectively promoted the rapid development of advanced composite materials. It is difficult for a single metal, ceramic, polymer and other engineering materials to meet these rapidly growing performance requirements, which has also produced a new composite material—— metal matrix composites. [0003] Metal matrix composite material science is a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C49/06C22C49/14C22C47/08C22C101/10C22C101/06
Inventor 卢卫征
Owner 卢卫征
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