Preparation method of high-strength dissolublealuminum alloy material

An aluminum alloy material and high-strength technology, applied in the field of preparation of high-strength soluble aluminum alloy materials, can solve problems such as lack of product components, difficult control of sintering temperature, complicated production process, etc., to achieve improved solubility, fast dissolution speed, and The effect of performance improvement

Active Publication Date: 2015-04-01
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in recent years, most of these degradable metal materials have been developed and patented by foreign researchers. They mostly adopt powder metallurgy technology for pressing and sintering. The characteristics of each element material, but to use this process, the solid, liquid or gaseous metal or alloy must first be transformed into a powder state. The production process is complicated, and some elemental elements such as Mg are flammable solids. The temperature is not easy to control, which can easily lead to the loss of product components

Method used

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  • Preparation method of high-strength dissolublealuminum alloy material
  • Preparation method of high-strength dissolublealuminum alloy material
  • Preparation method of high-strength dissolublealuminum alloy material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Step 1, high temperature burning

[0026] Put the aluminum ingot into the melting furnace and raise the temperature to 760°C to melt it into molten aluminum;

[0027] Step 2, mass ratio stirring

[0028] The aluminum liquid obtained in step 1 is weighed according to the formula and the mass percentage is Al: 71.0%, Sn: 12.0%, Si: 2.0%, Mn: 1.0%, Mg: 4.0%, Ga: 8.0%, In: 0.5%, Zn: 1.5%, fully stirred, and kept at 760°C for 0.5 hours to make it a macroscopically uniform melt;

[0029] Step 3, slag removal and cooling

[0030] Add 0.2%wt defoamer to the melt obtained in step 2 to remove slag, and pour it into a preheated mold; after cooling the obtained casting to room temperature, perform heat treatment in a muffle furnace at 350°C for 2 hours , to produce high-strength soluble aluminum alloy materials.

Embodiment 2

[0032] Step 1, high temperature burning

[0033] Put the aluminum ingot into the melting furnace and raise the temperature to 710°C to melt it into molten aluminum;

[0034] Step 2, mass ratio stirring

[0035] The aluminum liquid obtained in step 1 is weighed according to the formula and the mass percentage is Al: 62.0%, Sn:

[0036] 17.5%, Si: 2.0%, Mn: 1.5%, Mg: 4.0%, Ga: 11.0%, In: 1.0%, Zn: 1.0%, fully stirred, and kept at 710°C for 2 hours to make it macroscopically uniform The nature of the melt;

[0037] Step 3, slag removal and cooling

[0038] Add 0.5%wt defoamer to the melt obtained in step 2 and carry out the slag removal process, and pour it into a preheated mold; after cooling the obtained casting to room temperature, heat treatment is carried out in a muffle furnace at 350°C, and the heat treatment time is For 2h, a high-strength dissolvable aluminum alloy material is obtained.

Embodiment 3

[0040] Step 1, high temperature burning

[0041] Put the aluminum ingot into the melting furnace and raise the temperature to 760°C to melt it into molten aluminum;

[0042] Step 2, mass ratio stirring

[0043] The aluminum liquid obtained in step 1 is weighed according to the formula and the mass percentage is Al: 90.0%, Sn: 8.0%, Si: 0.1%, Mn: 0.2%, Mg: 1.0%, Ga: 0.1%, In: 0.3%, Zn: 0.3%, fully stirred, and kept at 760°C for 0.5 hours to make it a macroscopically uniform melt;

[0044] Step 3, slag removal and cooling

[0045] Add 0.2%wt defoamer to the melt obtained in step 2 and carry out the slag removal process, and pour it into a preheated mold; after cooling the obtained casting to room temperature, heat treatment is carried out in a muffle furnace at 350°C, and the heat treatment time is For 2h, a high-strength dissolvable aluminum alloy material is obtained.

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Abstract

A preparation method of a high-strength dissolublealuminum alloy material comprises high-temperature firing, stirring at the mass ratio, deslagging, cooling and thermal treatment. A high-strength aluminum alloypreparation principle and an electrochemical corrosion principle are combined, the product composition stability is successfully controlled, the Al-based alloy material with dissolubility, high strength, good shock resistance, high-temperature resistance, high-pressure resistance, high probability of processing, higher thermodynamic property and excellent dissolving property is prepared, and the overall performance of the material is improved.

Description

technical field [0001] The invention belongs to the technical field of functional materials, and in particular relates to a preparation method of a high-strength dissolvable aluminum alloy material. Background technique [0002] High-strength dissolvable materials are a kind of ecological environment materials, which refer to the addition of some additives to promote their degradation, or the synthesis of materials with a degradation function, which can meet the original application performance requirements during the use and storage period, especially Under complex external conditions, it can withstand high temperature and high pressure environment for a certain period of time, and can be degraded on the spot after completing the task without recycling, which can greatly save manpower, material and financial resources, and greatly improve the speed of project progress. [0003] Degradable organic materials are generally brittle, have poor high temperature resistance, impact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02C22C1/06C22F1/04
CPCC22C1/026C22C1/06C22C21/00C22F1/04
Inventor 朱建锋苟永妮赵倩楠杨波张佩王芬杨海波
Owner SHAANXI UNIV OF SCI & TECH
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