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Fly ash aluminium-based composite material with good aging resistance performance and preparation method thereof

An aluminum-based composite material and fly ash 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 is not good, the pore bonding surface is not strong, etc., to achieve the effect of reducing the interface performance, increasing the specific surface area and long service life

Inactive Publication Date: 2015-07-08
BENGBU HONGAN PRECISION MACHINERY
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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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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 good aging resistance, made of the following raw materials in parts by weight (kg): iron powder 4, kaolin clay 4, fly ash microbeads 14, aluminum-magnesium alloy powder 70, lithium powder 4 , copper powder 5, polyvinyl alcohol 0.6, appropriate amount of distilled water;

[0016] A kind of fly ash aluminum-based composite material with good aging resistance 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;

[0018] (2) Calcinate the iron...

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Abstract

The invention discloses a fly ash aluminium-based composite material with good aging resistance performance, which comprises the following raw materials by weight part: 2-4 parts of iron powder, 4-6 parts of kaolin, 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 composite material solves the problems of poor dispersibility of a reinforcement and an aluminium-based matrix as well as poor wetability, the added iron powder enhances the hardness and intensity of the composite material, and the kaolin enhances the caking property, insulating property and refractiveness between the materials. The composite material has the advantages of good aging resistance performance, good stability, low cost and long usage life.

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 good aging resistance 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. The cost performance is not high and the price is expensive. A series of requirements such as high stability, flame retardancy,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C21/00C22C32/00
Inventor 张洪滨
Owner BENGBU HONGAN PRECISION MACHINERY
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