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Magnesium alloy material for building formwork and preparation method

A technology of building templates and magnesium alloys, which is applied in the field preparation of building components, construction, building construction, etc., can solve the problems of slow extrusion processing speed, unstable mechanical properties of building templates, and high production costs, and achieve the reduction of flux slag, improve corrosion resistance, improve the effect of the effect

Inactive Publication Date: 2021-12-24
陕西绥德臻梦镁合金材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the disadvantages of unstable mechanical properties, slow extrusion processing speed and high production cost in the existing building formwork, and propose a magnesium alloy material for building formwork and its preparation method

Method used

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  • Magnesium alloy material for building formwork and preparation method

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Embodiment 1

[0030] refer to figure 1 , a magnesium alloy material for building templates, comprising the following raw materials in mass fractions: 0.25% Ca, 0.25% Y, 0.35% Sn, 0.1% Sr, and the rest is AZ41.

[0031] This embodiment also proposes a preparation method of magnesium alloy material for building formwork, comprising the following steps:

[0032] S1. Melting: heating and melting the magnesium alloy in a clean crucible to obtain magnesium liquid;

[0033] S2. Alloying: Add aluminum ingots and zinc ingot alloying elements, heat up to 730°C, and at the same time sprinkle anhydrous manganese chloride evenly on the liquid surface, wait for anhydrous manganese chloride to form a hard shell, then use a mixer or argon gas Stir to melt it all;

[0034] S3. Refining: For the first refining, use a mixer or argon gas to sprinkle refining agent while stirring, and sprinkle 75% of the prepared refining agent;

[0035] S4, slag removal and second refining: use the preheated slag spoon to s...

Embodiment 2

[0046] refer to figure 1 , a magnesium alloy material for building templates, comprising the following raw materials in mass fractions: 0.5% Ca, 0.4% Y, 0.6% Sn, 0.3% Sr, and the rest is AZ41.

[0047] This embodiment also proposes a preparation method of magnesium alloy material for building formwork, comprising the following steps:

[0048] S1. Melting: heating and melting the magnesium alloy in a clean crucible to obtain magnesium liquid;

[0049] S2. Alloying: Add aluminum ingots and zinc ingot alloying elements, heat up to 735°C, and at the same time sprinkle anhydrous manganese chloride evenly on the liquid surface, wait for anhydrous manganese chloride to form a hard shell, then use a mixer or argon gas Stir to melt it all;

[0050] S3. Refining: For the first refining, use a mixer or argon gas to sprinkle refining agent while stirring, and sprinkle 75% of the prepared refining agent;

[0051] S4, slag removal and second refining: use the preheated slag spoon to star...

Embodiment 3

[0062] refer to figure 1 , a magnesium alloy material for building templates, comprising the following raw materials in mass fractions: 0.6% Ca, 0.5% Y, 0.8% Sn, 0.5% Sr, and the rest is AZ41.

[0063] This embodiment also proposes a preparation method of magnesium alloy material for building formwork, comprising the following steps:

[0064] S1. Melting: heating and melting the magnesium alloy in a clean crucible to obtain magnesium liquid;

[0065] S2. Alloying: Add aluminum ingots and zinc ingot alloying elements, heat up to 740°C, and at the same time sprinkle anhydrous manganese chloride evenly on the liquid surface, wait for anhydrous manganese chloride to form a hard shell, then use a mixer or argon gas Stir to melt it all;

[0066] S3. Refining: For the first refining, use a mixer or argon gas to sprinkle refining agent while stirring, and sprinkle 75% of the prepared refining agent;

[0067] S4, slag removal and second refining: use the preheated slag spoon to star...

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Abstract

The invention belongs to the field of building formworks, and particularly relates to a magnesium alloy material for a building formwork and a preparation method. The magnesium alloy material comprises the following raw materials in percentage by mass: 0.25-0.6% of Ca, 0.25-0.5% of Y, 0.35-0.8% of Sn, 0.1-0.5% of Sr and the balance of AZ41. The preparation method comprises the following step: S1, melting, specifically, carrying out heating melting on magnesium alloy in a clean crucible to prepare magnesium liquid. According to the magnesium alloy material, the condition that a refiner is added in the refining process is improved, the refining effect of the refiner is improved, slag is sufficiently dredged in the two refining processes, the magnesium liquid is cleaner, flux slag at the bottom of the crucible is reduced, the cast product is cleaner, a flux mixture is not easily brought in, the corrosion resistance of the product is improved, and the preparation method is simple in process, reliable, economical and easy to apply and popularize.

Description

technical field [0001] The invention relates to the technical field of building templates, in particular to a magnesium alloy material for building templates and a preparation method. Background technique [0002] Building formwork is the main tool for the construction of concrete structures. It usually plays the role of support and protection in the pouring process. It consumes a lot in construction projects. Formwork technology directly affects the quality and cost of construction projects. Therefore, it is the key to promoting the progress of construction technology. an important content. In recent years, my country's real estate industry has developed rapidly, and building templates have also developed rapidly. [0003] At present, the materials of commercial building formwork mainly include: wooden formwork, which is light in weight and good in versatility; but its mechanical properties are very limited, and it is easy to break when it is under the pressure of cement, ...

Claims

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Application Information

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IPC IPC(8): C22C23/02C22C1/03C22C1/06C22F1/06E04G9/06
CPCC22C23/02C22C1/03C22C1/06C22F1/06E04G9/06
Inventor 黄小波崔建忠房中学赵宏胜
Owner 陕西绥德臻梦镁合金材料有限公司
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