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Lightweight aluminum alloy template and preparation method thereof

An aluminum alloy formwork, lightweight technology, applied in the field of aluminum alloy formwork, can solve the problems of reduced service life, weakened strength, bending and deformation of aluminum alloy formwork, etc., to achieve extended service life, good bearing capacity, and high alloy strength Effect

Pending Publication Date: 2022-05-31
重庆新久融科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to reduce the weight of the aluminum alloy formwork, some aluminum alloy formwork suppliers have also made the aluminum alloy formwork into a hollow structure in the past two years. Although this can reduce the weight to a certain extent, its strength is still weakened a lot. The alloy formwork will be bent and deformed, which will reduce the service life of the aluminum alloy formwork

Method used

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  • Lightweight aluminum alloy template and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] In this embodiment, the preparation of a lightweight aluminum alloy template includes the following steps:

[0024] S1. Heat 92.5kg of metallic aluminum to 660°C to melt, then add 0.2kg of nano-silicon carbide, stir evenly, then add 0.5kg of nano-zinc oxide, 1.5kg of nano-titanium dioxide and 0.6kg of nano-Ni under stirring , and heated up to 1850°C, stirring at a high speed for 10 minutes, while stirring at a high speed, applying ultrasonic vibration to the first molten liquid, the frequency of the ultrasonic wave is 30KHz, standing at 660°C for 10 hours, to obtain the first molten liquid;

[0025] S2. At a temperature of 1850°C, add 2.5kg of zinc, 1.2kg of copper, 0.8kg of magnesium, and 0.2kg of zirconium to the first molten liquid in sequence, stir for 1 hour, then cool to 650°C and stand for 15 minutes , to obtain the second mixed solution;

[0026] S3. Pouring and rolling the second mixed molten liquid into an aluminum alloy plate with a thickness of 2.5mm, and t...

Embodiment 2

[0029] In this embodiment, the preparation of a lightweight aluminum alloy template includes the following steps:

[0030] S1. Heat 87.9kg of metallic aluminum to 670°C to melt, then add 0.35kg of nano-silicon carbide, and after stirring evenly, add 1.0kg of nano-zinc oxide, 1.7kg of nano-titanium dioxide and 0.95kg of nano-Ni in a stirring state. , and raised the temperature to 1875°C, stirred at a high speed for 15 minutes, and applied ultrasonic vibration to the first molten liquid during high-speed stirring, the frequency of the ultrasonic wave was 35KHz, and stood at 670°C for 12.5 hours to obtain the first molten liquid;

[0031] S2. At a temperature of 1875°C, add 4.5kg of zinc, 1.7kg of copper, 1.2kg of magnesium, and 0.5kg of zirconium to the first molten liquid in sequence, stir for 1.5h, then cool to 670°C and stand for 20min Afterwards, the second mixed solution is obtained;

[0032] S3. Pouring and rolling the second mixed molten liquid into an aluminum alloy pla...

Embodiment 3

[0035] In this embodiment, the preparation of a lightweight aluminum alloy template includes the following steps:

[0036] S1. Heat 83.3kg of metal aluminum to 680°C to melt, then add 0.5kg of nano-silicon carbide, and after stirring evenly, add 1.5kg of nano-zinc oxide, 1.9kg of nano-titanium dioxide and 1.3kg of nano-Ni in a stirring state. , and raised the temperature to 1900°C, stirred at high speed for 20 minutes, and applied ultrasonic vibration to the first molten liquid during high-speed stirring, the frequency of the ultrasonic wave was 40KHz, and stood at 680°C for 15 hours to obtain the first molten liquid;

[0037] S2. At a temperature of 1900°C, add 6.5kg of zinc, 2.6kg of copper, 1.6kg of magnesium, and 0.8kg of zirconium to the first molten liquid in sequence, stir for 2 hours, then cool to 680°C and stand for 25 minutes , to obtain the second mixed solution;

[0038]S3. Pouring and rolling the second mixed molten liquid into an aluminum alloy plate with a thic...

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Abstract

The invention relates to the technical field of aluminum alloy templates, and discloses a lightweight aluminum alloy template and a preparation method thereof.The template is prepared from, by weight, 0.5%-1.5% of nano zinc oxide, 1.5%-1.9% of nano titanium dioxide, 0.6%-1.3% of nano Ni, 0.2%-0.5% of nano silicon carbide, 2.5%-6.5% of zinc, 1.2%-2.6% of copper, 0.8%-1.6% of magnesium, 0.2%-0.8% of zirconium and the balance aluminum. Then adding nano silicon carbide, nano zinc oxide, nano titanium dioxide and nano Ni, stirring at a high speed for 10-20 minutes, and standing; sequentially adding zinc, copper, magnesium and zirconium into the first mixed solution, stirring for 1-2 hours, cooling to 650-680 DEG C, and standing for 15-25 minutes to obtain a second mixed solution; the second mixed solution is poured and rolled into an aluminum alloy plate with the thickness of 2.5-3.0 mm, and then annealing is conducted; and the aluminum alloy plate is cut, punched and welded, and the aluminum alloy formwork is prepared. The strength and the service life of the aluminum alloy formwork can be guaranteed under the conditions that the thickness of the aluminum alloy formwork is reduced, the weight of the aluminum alloy formwork is reduced, and construction is facilitated.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy templates, in particular to a lightweight aluminum alloy template and a preparation method thereof. Background technique [0002] Building formwork is an indispensable building construction material and important tool, which plays an important role in the construction process of cast-in-place concrete. Among them, aluminum alloy formwork technology, as a new formwork technology, has achieved good application in housing construction projects Effect. The full name of aluminum alloy formwork is aluminum alloy formwork for concrete engineering. It is a new generation of formwork system after wood formwork, bamboo, wood plywood and steel formwork. The aluminum alloy formwork is made of aluminum alloy profiles as the main material, and is suitable for concrete engineering after machining and welding. [0003] Although the aluminum alloy formwork has a lower density than the steel formwork, and ...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C21/18C22C21/16C22C32/00C22F1/057C22F1/053C22C1/10
CPCC22C21/10C22C21/18C22C21/16C22C32/0005C22F1/057C22F1/053C22C1/1036C22C1/1047
Inventor 唐华强王龙
Owner 重庆新久融科技有限公司
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