A high-strength aluminum profile for large vehicles

An aluminum profile, high-strength technology, applied in the direction of metal material coating process, coating, etc., can solve the problems that need to be improved, and achieve the effect of improving macroscopic appearance, smooth surface and low dilution rate

Active Publication Date: 2021-02-12
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

However, the strength of the aluminum alloy materials used in the production of existing aluminum profiles needs to be improved to meet the requirements in the production and use of large vehicles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high-strength aluminum profile for large vehicles, made of aluminum alloy, the aluminum alloy includes a base alloy and a layer of alloy coating prepared on the surface of the base alloy by laser cladding; the composition of the alloy coating Including Al, B, Si, Fe, Zn, Ti, Co, Li, Dy, Zr, Sr;

[0016] Wherein, the composition of the base alloy includes Fe, Si, Zn, Zr, Ti, Al; the alloy coating includes by mass fraction: 35wt% of Al, 10wt% of B, 6wt% of Si, 10wt% of Fe, 14wt% Zn, 5wt% Ti, 7wt% Co, 1wt% Li, 1wt% Dy, 1wt% Zr, 3wt% Sr;

[0017] The laser cladding method adopts inert gas protection; the condition parameters of the laser cladding method are: the air pressure of the inert gas is 0.5MPa, the power is 1kW, the defocus is +90mm, the scanning speed is 4mm / s, and the overlap rate 55%; the inert gas is argon; the alloy coating is metallurgically bonded to the substrate.

Embodiment 2

[0019] A high-strength aluminum profile for large vehicles, made of aluminum alloy, the aluminum alloy includes a base alloy and a layer of alloy coating prepared on the surface of the base alloy by laser cladding; the composition of the alloy coating Including Al, B, Si, Fe, Zn, Ti, Co, Li, Dy, Zr, Sr;

[0020] Wherein, the composition of the base alloy includes Fe, Si, Zn, Zr, Ti, Al; the alloy coating includes by mass fraction: 30wt% of Al, 15wt% of B, 2wt% of Si, 15wt% of Fe, 11wt% Zn, 9wt% Ti, 3wt% Co, 5wt% Li, 0.1wt% Dy, 3wt% Zr, 1wt% Sr;

[0021] The laser cladding method adopts inert gas protection; the condition parameters of the laser cladding method are: the air pressure of the inert gas is 0.2MPa, the power is 4kW, the defocus is +80mm, the scanning speed is 6mm / s, and the overlap rate 50%; the inert gas is argon; the alloy coating is metallurgically bonded to the substrate.

Embodiment 3

[0023] A high-strength aluminum profile for large vehicles, made of aluminum alloy, the aluminum alloy includes a base alloy and a layer of alloy coating prepared on the surface of the base alloy by laser cladding; the composition of the alloy coating Including Al, B, Si, Fe, Zn, Ti, Co, Li, Dy, Zr, Sr;

[0024] Wherein, the composition of the base alloy includes Fe, Si, Zn, Zr, Ti, Al; the alloy coating includes by mass fraction: 34wt% of Al, 11wt% of B, 5wt% of Si, 11wt% of Fe, 13wt% Zn, 6wt% Ti, 6wt% Co, 2wt% Li, 0.8wt% Dy, 1.5wt% Zr, 2wt% Sr;

[0025] The laser cladding method adopts inert gas protection; the condition parameters of the laser cladding method are: the air pressure of the inert gas is 0.3MPa, the power is 3kW, the defocus is +80mm, the scanning speed is 6mm / s, and the overlap rate 55%; the inert gas is argon; the alloy coating is metallurgically bonded to the substrate.

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PUM

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Abstract

The invention discloses a high-strength large-scale vehicle aluminum profile, which is made of aluminum alloy. The aluminum alloy includes a base alloy and a layer of alloy coating prepared on the surface of the base alloy by laser cladding; the alloy The composition of the coating includes Al, B, Si, Fe, Zn, Ti, Co, Li, Dy, Zr, Sr. The surface of the aluminum alloy in the present invention has a layer of alloy coating, which not only effectively enhances the strength of the aluminum alloy, but also improves the hardness and high temperature resistance of the aluminum alloy, thereby producing an aluminum profile with excellent performance.

Description

technical field [0001] The invention relates to the technical field of aluminum profiles, in particular to a high-strength aluminum profile for large vehicles. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of science and technology and industrial economy, the demand for aluminum alloy structural parts is increasing, such as the processing of aluminum profiles. However, the strength of the aluminum alloy materials used in the production of existing aluminum profiles needs to be improved to meet the requirements in the production and use of large vehicles. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a high-strength aluminum profile for large vehicles, which has ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C24/10
CPCC23C24/103
Inventor 唐开健李杰王超李亨
Owner 安徽鑫铂铝业股份有限公司
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