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Aluminum alloy section for physical laboratory cabinet and preparation method thereof

An aluminum alloy profile and physical experiment technology, applied in the field of aluminum alloy materials, can solve the problems of advanced physical experiment cabinets relying on imported materials, achieve excellent comprehensive mechanical properties, important economic benefits, and improve safety performance

Inactive Publication Date: 2014-08-13
佛山市南海区皓锋金属喷涂铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of aluminum alloy profile for physical experiment cabinet with high tensile strength and high non-proportional elongation strength and its preparation method, so as to solve the problem that advanced physical experiment cabinet depends on imported materials

Method used

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Embodiment

[0014] An aluminum alloy profile for a physical experiment cabinet, the alloy is composed by weight percentage: Zn 4.2-5.4, Mg 1.8-2.6, Cu 0.15-0.35, Mn 0.3-0.7, Cr 0.05-0.25, Ti≤0.15, Si 0.3- 0.6, Fe≤0.25, Zr 0.1-0.2, Cd 0.08-0.14, In 0.04-0.06, Sc 0.03-0.05, Er 0.025-0.045, Tm 0.01-0.02, and the balance is Al.

[0015] A preparation method of an aluminum alloy profile for a physical experiment cabinet, comprising the following steps:

[0016] (1) Calculate and weigh the charge according to the formula ratio, take aluminum ingots and zinc ingots and add them to the melting furnace for heating and melting. When the temperature of the melt reaches 730 °C, add Al-10wt%Mn intermediate alloy and Al-2wt%Cr intermediate alloy in turn. Alloy, Al-0.5wt%Cd master alloy, after all melted, adjust the temperature to 740℃, add Al-1wt%Zr master alloy, Al-0.3wt%In master alloy, stir for 30min and adjust the temperature to 725℃, Add a refining agent of 1.5% by weight of the melt,...

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Abstract

The invention discloses an aluminum alloy section for physical laboratory cabinet and a preparation method thereof. An alloy comprises, by weight, 4.2 to 5.4% of Zn, 1.8 to 2.6% of Mg, 0.15 to 0.35% of Cu, 0.3 to 0.7% of Mn, 0.05 to 0.25% of Cr, no more than 0.15% of Ti, 0.3 to 0.6% of Si, no more than 0.25% of Fe, 0.1 to 0.2% of Zr, 0.08 to 0.14% of Cd, 0.04 to 0.06% of In, 0.3 to 0.05% of Sc, 0.025 to 0.045% of Er and 0.01 to 0.02% of Tm, with the balance being Al. According to the invention, through optimization of alloy components and reasonable arrangement of heat treatment technology, the prepared aluminum alloy section has excellent comprehensive mechanical properties, tensile strength of no less than 450 MPa and non-proportional extension strength of no less than 400 MPa, can substantially improve safety performance of the aluminum alloy laboratory cabinet, is applicable to preparation of the physical laboratory cabinet without dependence on import materials and has important economic benefits.

Description

technical field [0001] The invention relates to an aluminum alloy profile for a physical experiment cabinet and a preparation method thereof, belonging to the field of aluminum alloy materials. Background technique [0002] Aluminum alloy profiles have the characteristics of high strength, light weight, strong stability, good corrosion resistance, good plasticity, small deformation, no pollution, non-toxicity, long service life, and good recyclability. Compared with steel, it can be reduced by 47%. Therefore, aluminum alloy profiles can be used as materials to replace steel laboratory cabinets. At present, when domestic aluminum alloy cabinets are used for tensile or strength physical experiments, the strength requirements of the experimental cabinets are very high. The domestically produced aluminum alloy physical experiment cabinets have the problems of low tensile strength and low non-proportional elongation strength, resulting in The safety factor of the experimental c...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C1/03C22C1/06C22F1/053
Inventor 张新南
Owner 佛山市南海区皓锋金属喷涂铝业有限公司
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