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Porous aluminum-magnesium alloy preparation method

An aluminum-magnesium alloy and a magnesium alloy technology are applied in the field of preparation of porous aluminum-magnesium alloys, which can solve the problems of high process step parameter control requirements, complex metal deposition method steps, difficult process parameter control and the like, so as to reduce production cost and size. Appropriate, low-cost effects

Inactive Publication Date: 2015-06-10
DALIAN FEIMA OFFICE FURNITURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used preparation methods of porous metal materials mainly include powder metallurgy (PM) method, fiber metallurgy method, casting method, metal deposition method, self-propagating high-temperature synthesis method, etc., but the method of fiber metallurgy method in these methods is simple and easy, but The size of the product is limited and the cost is high; the steps of the metal deposition method are more complicated, and the process parameters are difficult to control. Although the performance of the prepared porous metal material is better, the requirements for the parameter control of the process steps are relatively high, while other methods have some limitations. Other disadvantages such as not suitable for industrial production, high process cost, complicated technology, limited application, etc., and in the preparation of porous aluminum-magnesium alloys, it is necessary to find a more suitable preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The aluminum-magnesium alloy prepared according to the mass percentage of aluminum and magnesium as 2:8 is used as a substrate, and 500 g is taken, and the surface is firstly cleaned and dried. Then heat the aluminum-magnesium alloy to 600°C to melt, add 50g of foaming agent zirconium hydride, then stir the mixture evenly, then add 25g of binder silicon carbide solution, then stir it evenly, and then mix the mixture evenly The mixture is poured into the foaming tank. When the stirred mixture is poured into the foaming tank, high-speed stirring is carried out. The stirring speed is 800-1000 rpm, the stirring temperature is 650° C., and the stirring time is 5 minutes. Then it is sent to a foaming furnace for foaming treatment, and the foaming temperature is 700°C. The foaming time is about 30 minutes, then remove the foaming tank from the foaming furnace, perform cooling treatment, and take out the foaming body.

Embodiment 2-3

[0024] Repeat the same steps as described in Example 1, but in Examples 2 and 3, the heating temperature after cleaning and drying the surface of the aluminum-magnesium alloy is 500° C. and 700° C. respectively.

Embodiment 4-5

[0026] Carry out embodiment 1 repeatedly by described same procedure, but in embodiment 4, the quality of the blowing agent that adds is respectively 30g, 70g in embodiment 4,5.

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Abstract

The invention relates to a porous aluminum-magnesium alloy preparation method, which comprises: adopting an aluminum-magnesium alloy prepared according to a mass ratio of aluminum to magnesium of 2:8 as a matrix material, carrying out surface cleaning air-drying, heating and melting the aluminum-magnesium alloy, adding a foaming agent, uniformly stirring the aluminum-magnesium alloy, adding a binder, uniformly stirring, pouring the stirred mixture into a foaming tank, conveying into a foaming furnace to foam, taking out, and carrying out a cooling treatment. According to the present invention, the process of the technical scheme is simple, the production cost is low, the preparation method is suitable for large-scale industrial production, and the porous magnesium-aluminum alloy is suitable for advanced furniture production.

Description

technical field [0001] The invention relates to the field of metal materials, functional materials and material processing, in particular to a preparation method of a porous aluminum-magnesium alloy. Background technique [0002] The porous metal material is a powder metallurgy sintered body with a porosity higher than 45% and a large number of interconnected pores. Usually, the porosity ranges from 45% to 90%, and the porous metal body with a porosity greater than 90% becomes metal foam. Porous metal material is a new material developed in the past ten years. It has the characteristics of structural materials and functional materials. Its excellent characteristics are manifested in its small specific gravity, high specific strength, good energy absorption, good vibration suppression effect, and specific surface area. In terms of size, it is widely used in the field of communication, environmental protection engineering, high-end furniture production, etc. It has many advan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/08C22C23/02
Inventor 刘官柱
Owner DALIAN FEIMA OFFICE FURNITURE
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