Aluminum alloy template and preparation method thereof

An aluminum alloy template, manganese-copper alloy technology, applied in the coating and other directions, can solve the problems of insufficient hardness and strength, reduced use times, and reduced performance of aluminum alloy templates, to avoid bubble holes and floating ash, many turnovers, weight reduction effect

Inactive Publication Date: 2018-12-11
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

[0003] However, there are still problems in the preparation process of aluminum alloy templates. The melting points of different metals are very different. Therefore, aluminum alloys have a very wide solidification temperature range, which will cause casting defects such as hot cracks, shrinkage cavities, shrinkage porosity, and segregation of the product during solidification. , leading to the decline in the performance of the aluminum alloy formwork, resulting in insufficient hardness and strength, thereby reducing the number of uses, and the aluminum alloy formwork has higher requirements for its own hardness. If the hardness is not enough, there will be technical defects such as gaps and deformation, which will endanger the project quality and construction. safety of personnel
Secondly, when the new aluminum alloy formwork is used for the first few times, the surface of the aluminum material will react chemically with the concrete. The concrete surface looks flat, but small air bubbles will appear, which will cause the surface of the concrete to float ash, and the appearance will be poor, which will cause certain damage to the later projects. influences

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: the preparation one of coating liquid

[0032] The honeycomb composite includes the following raw materials in parts by weight: 50 parts of nano-alumina, 50 parts of nano-silicon dioxide, 15 parts of rare earth elements, 30 parts of carbon black, 10 parts of rosin, 5 parts of starch, 7 parts of castor oil, wherein The selected carbon black particle size is 5 μm, the particle size of nano-alumina and nano-silica is about 20nm, the particle size of rare earth element is about 30nm, and the rare earth element contains 22% nano-yttrium oxide, 31% nano-cerium oxide, 47% Nano lanthanum oxide.

[0033] After mixing and stirring alumina, silica, rare earth elements and carbon black, dry at 60°C. After drying, add castor oil, starch and rosin, mix well, and press into a block at a pressure of about 10MPa. After being formed into a block, it is dried and formed. The air is isolated in the furnace, and the temperature is raised to about 100°C at 20°C / min. After firi...

Embodiment 2

[0036] Embodiment 2: Preparation two of coating solution

[0037] The honeycomb composite includes the following raw materials in parts by weight: 50 parts of nano-alumina, 50 parts of nano-silicon dioxide, 15 parts of rare earth elements, 30 parts of carbon black, 10 parts of rosin, 5 parts of starch, 7 parts of castor oil, wherein The selected carbon black particle size is 10 μm, the particle size of nano-alumina and nano-silica is about 30nm, the particle size of rare earth element is about 50nm, and the rare earth element contains 22% nano-yttrium oxide, 31% nano-cerium oxide, 47% Nano lanthanum oxide.

[0038] After mixing and stirring alumina, silica, rare earth elements and carbon black, dry at 70°C. After drying, add castor oil, starch, and rosin, mix well, and press into a block at a pressure of about 12MPa. After being formed into a block, it is dried and formed. The air is isolated in the furnace, and the temperature is raised to about 150°C at 20°C / min. After firi...

Embodiment 3

[0041] Embodiment 3: Preparation three of coating solution

[0042] The honeycomb composite includes the following raw materials in parts by weight: 50 parts of nano-alumina, 50 parts of nano-silicon dioxide, 15 parts of rare earth elements, 30 parts of carbon black, 10 parts of rosin, 5 parts of starch, 7 parts of castor oil, wherein The selected carbon black particle size is 10 μm, the particle size of nano-alumina and nano-silica is about 50nm, the particle size of rare earth element is about 60nm, and the rare earth element contains 22% nano-yttrium oxide, 31% nano-cerium oxide, 47% Nano lanthanum oxide.

[0043] After mixing and stirring alumina, silica, rare earth elements and carbon black, dry at 80°C. After drying, add castor oil, starch, and rosin, mix well, and press into a block at a pressure of about 15MPa. After being formed into a block, it is dried and formed. The air is isolated in the furnace, and the temperature is raised to about 200°C at 20°C / min. After fi...

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Abstract

The invention relates to an aluminum alloy template and a preparation method thereof. The aluminum alloy template raw material comprises the following raw materials in parts by weight: 0.5 to 0.55 part of magnesium, 0.3 to 0.5 part of manganese-copper alloy, 0.05 to 0.1 part of iron, 0.01 to 0.02 part of zinc, 0.04 to 0.06 part of nickel, 0.03 to 0.05 part of beryllium, 0.1 to 0.15 part of silver,0.7 to 0.75 part of silicon, and 97 to 98 parts of aluminum ingot, wherein the amount of copper in the aluminum ingot is less than or equal to 0.2%, and the iron content is less than or equal to 0.2%; the preparation method comprises the steps of batching, smelting, refining, aluminum alloy template die-casting, aluminum alloy template thermal laminating, aging treatment and aluminum alloy template treatment. The hardness and strength of the obtained aluminum alloy template can be effectively improved, the purposes of being sturdy, durable, and many times of turnover are achieved, and the problem of chemical reaction of aluminum alloy and concrete can be solved, the occurrence of bubble holes and floating ash on a wall is avoided.

Description

technical field [0001] The invention relates to the technical field of building templates, in particular to an aluminum alloy template and a preparation method thereof. Background technique [0002] At present, it is widely used in the support system of the roof slab, mostly steel pipe fasteners and bowl buckle scaffolding. These systems are independent from the roof slab formwork system and lack integrated design. There are a large number of phenomena such as low construction efficiency, waste of materials and man-hours, and even safety accidents caused by improper support equipment and construction plans, which may cause serious damage. casualty accident. With the construction of large-scale infrastructure in my country, such as highways, railways, urban rail transit, high-rise buildings, super high-rise buildings and large public buildings, the use of aluminum alloy building templates has become increasingly popular. Aluminum alloy formwork refers to the architectural f...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C1/02C22C1/03B22D17/00C22F1/043C09D4/06C09D7/61
CPCC22C21/02B22D17/00C09D4/06C09D7/61C09D7/70C22C1/026C22C1/03C22F1/043
Inventor 朱小飞唐华强
Owner 重庆新久融科技有限公司
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