5182-H36 aluminum alloy sheet material for luggage compartment door plate of new energy passenger car and preparation method of 5182-H36 aluminum alloy sheet material

An aluminum alloy sheet and aluminum alloy sheet technology are applied in the field of 5182-H36 aluminum alloy sheet for luggage compartment doors of new energy buses and the field of preparation thereof, which can solve the problem that it is difficult to achieve lightweight and tensile strength of luggage compartment doors of new energy buses. , yield strength and bending performance, etc., to achieve the effect of reducing uneven composition, refining grains, and improving strength

Inactive Publication Date: 2019-01-01
CHINALCO RUIMIN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of 1000 series aluminum alloy plates is difficult to meet the comprehensive requirements for lightweight, tensile strength, yield strength and bending performance of new energy passenger car luggage door materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy bus, the composition of which is calculated by mass fraction: Si 0.092%, Fe 0.185%, Cu 0.051%, Mn 0.41%, Mg 4.81%, Cr 0.075%, Zn 0.011% , Ti 0.015%, the balance is Al.

[0036] A method for preparing the above-mentioned 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy passenger car, the specific steps are as follows:

[0037] (1) Smelting: Add the raw materials of pure aluminum ingots, aluminum intermediate alloy ingots, magnesium ingots, and manganese agent into the melting furnace to heat and melt, and the molten aluminum is stirred at 730°C for 25 minutes; The mixed gas liquid of gas and carbon tetrachloride passes through the molten aluminum purification system at the bottom of the furnace to refine the molten aluminum for 25 minutes;

[0038] (2) Melt filtration: The molten aluminum after standing treatment is passed through a degassing device to remove t...

Embodiment 2

[0052] A 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy bus, the composition of which is calculated by mass fraction: Si 0.081%, Fe 0.197%, Cu 0.056%, Mn 0.537%, Mg 4.79%, Cr 0.084%, Zn 0.011% , Ti 0.01%, the balance is Al.

[0053] A method for preparing the above-mentioned 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy passenger car, the specific steps are as follows:

[0054] (1) Smelting: Add the raw materials of pure aluminum ingots, aluminum intermediate alloy ingots, magnesium ingots, and manganese agent into the melting furnace to heat and melt, and stir the molten aluminum at 735°C for 28 minutes; after the smelting is completed, use argon gas in the standing furnace The mixed gas liquid with carbon tetrachloride passes through the bottom aluminum liquid purification system to refine the aluminum liquid for 24 minutes;

[0055] (2) Melt filtration: The molten aluminum after standing treatment is passed t...

Embodiment 3

[0069] A 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy bus, the composition of which is calculated by mass fraction: Si 0.075%, Fe 0.196%, Cu 0.041%, Mn 0.40%, Mg 4.71%, Cr 0.084%, Zn 0.012% , Ti 0.013%, and the balance is Al.

[0070] A method for preparing the above-mentioned 5182-H36 aluminum alloy plate for the luggage compartment door of a new energy passenger car, the specific steps are as follows:

[0071] (1) Smelting: Add the raw materials of pure aluminum ingots, aluminum intermediate alloy ingots, magnesium ingots, and manganese agent into the melting furnace to heat and melt, and the molten aluminum is stirred at 740°C for 30 minutes; The mixed gas liquid of gas and carbon tetrachloride passes through the molten aluminum purification system at the bottom of the furnace to refine the molten aluminum for 30 minutes;

[0072] (2) Melt filtration: The molten aluminum after standing treatment is passed through a degassing device to remo...

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Abstract

The invention discloses a 5182-H36 aluminum alloy sheet material for a luggage compartment door plate of a new energy passenger car. The 5182-H36 aluminum alloy sheet material comprises the followingcomponents in percentage by mass: 0.05 to 0.10 percent of Si, 0.10 to 0.20 percent of Fe, 0.01 to 0.10 percent of Cu, 0.4 to 0.8 percent of Mn, 4.6 to 5.2 percent of Mg, 0.07 to 0.12 percent of Cr, 0.01 to 0.20 percent of Zn, 0.01 to 0.05 percent of Ti and the balance of Al. A preparation process comprises the following steps: smelting, filtering a melt, casting, carrying out saw cutting on a milling surface, heating a casting ingot, carrying out hot rolling, carrying out cold rolling and carrying out stabilized annealing. The 5182-H36 aluminum alloy sheet material for the luggage compartmentdoor plate of the new energy passenger car, prepared by a preparation method, has good properties including low density, corrosion resistance, high strength, good bending performance and the like, andcan meet requirements of the luggage compartment door plate of the new energy passenger car on light weight and high comprehensive performance of production materials.

Description

technical field [0001] The invention belongs to the field of preparation of aluminum alloy strips, and in particular relates to a 5182-H36 aluminum alloy plate for a luggage compartment door of a new energy passenger car and a preparation method thereof. Background technique [0002] Lightweight has become the future development trend of new energy buses. By using lightweight materials to replace traditional steel materials, the weight of buses can be reduced, which directly means that the cruising range of buses will increase. Research on vehicle lightweighting shows that if the weight of a pure electric vehicle is reduced by 10kg, the driving range can be increased by 2.5km, and the most obvious feature of the lightweight bus body is the choice of materials. Aluminum alloy has become the material of choice for weight reduction of new energy buses due to its high-quality properties such as high strength, recyclability, corrosion resistance, and low density. [0003] The lu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C1/03C22F1/047
Inventor 吴建新徐始祥刘旺郑智滨杨本勇
Owner CHINALCO RUIMIN
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