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Anti-corrosion automobile light-weight aluminum profile

A lightweight and corrosion-resistant technology, applied in the field of aluminum profiles, can solve problems such as incompatibility

Inactive Publication Date: 2019-03-15
安徽鑫铂铝业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aluminum alloy materials are widely used to manufacture automobile body panels. In order to meet the needs of automobile body panels, aluminum alloys must not only meet the requirements of strength and formability, but also have good corrosion resistance. However, these three properties are often not compatible.

Method used

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  • Anti-corrosion automobile light-weight aluminum profile

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Effect test

Embodiment 1

[0017] A corrosion-resistant lightweight aluminum profile for automobiles, the weight percentage of each component is as follows: Si: 0.55%, Fe: 0.04%, Cu: 0.15%, Mn: 0.15%, Mg: 1.22%, Cr: 0.15%, Zn : 0.15%, Ti: 0.07%, Zr: 0.1%, Y: 0.05%, Sc: 0.03%, and the balance is Al.

Embodiment 2

[0019] A corrosion-resistant lightweight aluminum profile for automobiles, the weight percentage of each component is as follows: Si: 0.5%, Fe: 0.05%, Cu: 0.1%, Mn: 0.2%, Mg: 1.2%, Cr: 0.2%, Zn : 0.1%, Ti: 0.1%, Zr: 0.08%, Y: 0.06%, Sc: 0.02%, the balance is Al;

[0020] In the preparation process of corrosion-resistant lightweight aluminum profiles for automobiles, the aluminum ingot is melted, the remaining raw materials are added to melt, and cast to obtain an ingot; the ingot is taken for solid solution, hot rolling, quenching, initial cold rolling, intermediate annealing, and final cold rolling , final annealing, pre-aging, stamping, and final aging to obtain corrosion-resistant lightweight aluminum profiles for automobiles.

Embodiment 3

[0022] A corrosion-resistant lightweight aluminum profile for automobiles, the weight percentage of each component is as follows: Si: 0.6%, Fe: 0.03%, Cu: 0.2%, Mn: 0.1%, Mg: 1.25%, Cr: 0.1%, Zn : 0.2%, Ti: 0.05%, Zr: 0.12%, Y: 0.04%, Sc: 0.04%, the balance is Al;

[0023] In the preparation process of corrosion-resistant lightweight aluminum profiles for automobiles, the aluminum ingot is melted, and the remaining raw materials are added, melted in an argon atmosphere, and cast to obtain an ingot; the ingot is heated to 500°C, solidified for 2 hours, and hot-rolled. Quenching, initial cold rolling, heat up to 440°C at a rate of 10°C / min, hold for 20 minutes, cool to room temperature, final cold rolling, heat up to 260°C at a rate of 20°C / min, hold for 15 minutes, and then heat at 1°C / min The temperature is raised to 400°C at a speed of 30 minutes, cooled to room temperature, then heated to 160°C, held for 15 minutes, stamped and formed, and finally aged to obtain a corrosion-...

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Abstract

The invention discloses an anti-corrosion automobile light-weight aluminum profile. The profile is prepared from, by weight, 0.5-0.6% of Si, 0.03-0.05% of Fe, 0.1-0.2% of Cu, 0.1-0.2% of Mn, 1.2-1.25%of Mg, 0.1-0.2% of Cr, 0.1-0.2% of Zn, 0.05-0.1% of Ti, 0.08-0.12% of Zr, 0.04-0.06% of Y, 0.02-0.04% of Sc and the balance Al. The anti-corrosion automobile light-weight aluminum profile has good strength and corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of aluminum profiles, in particular to a corrosion-resistant lightweight aluminum profile for automobiles. Background technique [0002] Automobiles provide convenience for people's life. At present, due to the needs of environmental protection and energy saving, the lightweight of automobiles has become the trend of the development of automobiles in the world. Aluminum alloy materials have the advantages of low density, good thermal conductivity, good machinability, good energy absorption, and easy recycling. Aluminum alloys have their natural advantages in automotive lightweight applications, such as weight reduction and energy saving. Comfort and safety are improved. [0003] Aluminum alloy materials are widely used to manufacture automobile body panels. In order to meet the needs of automobile body panels, aluminum alloys must not only meet the requirements of strength and formability, but also have goo...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22F1/047
CPCC22C21/08C22F1/002C22F1/047
Inventor 王超唐开健李亨石文超
Owner 安徽鑫铂铝业股份有限公司