Fly ash aluminium-based composite material with high cold resistance performance and stability and preparation method thereof

An aluminum-based composite material and stability technology, which is applied in the field of fly ash aluminum-based composite material and its preparation, can solve the problems affecting the mechanical properties, mechanical strength durability, friction coefficient, thermal expansion rate, and fly ash diffusivity. It can reduce the interface performance, solve the problems of poor dispersion, and increase the specific surface area.

Inactive Publication Date: 2015-07-08
BENGBU HONGAN PRECISION MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, fly ash has poor diffusibility and poor wettability in the aluminum matrix. The traditional preparation method is prone to produce pores and the bonding surface is not firm, which affects the mechanical properties, mechanical strength, durability, friction coefficient and thermal expansion rate of the material. Etc performance

Method used

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Examples

Experimental program
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Embodiment Construction

[0013] specific implementation plan

[0014] The present invention will be described in detail below through specific examples.

[0015] A fly ash aluminum-based composite material with high cold resistance and stability, made of the following raw materials in parts by weight (kg): manganese powder 5, polyacrylonitrile fiber 3, fly ash microbeads 15, aluminum-magnesium alloy powder 65, Lithium powder 5, copper powder 5, polyvinyl alcohol 0.55, distilled water amount;

[0016] A kind of fly ash aluminum-based composite material with high cold resistance and stability described in the present invention is made by the following specific steps:

[0017] (1) Immerse the fly ash microbeads in a 10mol / l sulfuric acid solution for 2 hours, then wash the surface with distilled water to make it neutral and then dry it, and then atomize and spray the copper in the spray gun to dry it by using the metal spraying method The surface of fly ash microbeads forms a layer of coating;

[...

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PUM

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Abstract

The invention discloses a fly ash aluminium-based composite material with high cold resistance performance and stability, which comprises the following raw materials by weight part: 5-8 parts of manganese powder, 3-4 parts of polyacrylonitrile fibre, 5-25 parts of fly ash microsphere, 65-85 parts of aluminium magnesium alloy powder, 4-6 parts of lithium powder, 4-6 parts of copper powder, 0.5-1.1 parts of polyvinyl alcohol and a proper amount of distilled water. The added manganese powder increases the intensity and corrosion stability of the magnesium alloy, the added polyacrylonitrile fibre has the characteristics of heat resistance, cold resistance, and good stability. The composite material has the advantages of simple process and low cost, and is easy to realize industrial batch production.

Description

technical field [0001] The invention relates to the technical field of new material preparation, in particular to a fly ash aluminum-based composite material with high cold resistance and stability and a preparation method thereof. Background technique [0002] Optical fiber is a light transmission tool that utilizes the principle of total reflection of light in fibers made of glass or plastic, and has a wide range of applications in the field of communication. During the construction and maintenance of optical fiber laying, it is often necessary to perform operations such as fusion splicing and stripping of optical fibers, and different types of equipment are required. The base material of these devices is usually made of aluminum alloy. Its strength, hardness, wear resistance, heat resistance and thermal conductivity are related to the added metal materials. A series of requirements such as cold resistance, aging resistance, flame retardant, heat conduction, heat resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C21/00
Inventor 张洪滨
Owner BENGBU HONGAN PRECISION MACHINERY
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