High-strength aluminum alloy and preparation method thereof

A technology of aluminum alloy and aluminum alloy powder, which is applied in metal material coating process, liquid chemical plating, coating, etc., can solve the problems of low bonding strength, poor dispersion of graphene, and low strength of composite materials, so as to improve the strength , Overcoming poor dispersion and improving strength

Active Publication Date: 2018-05-01
四川新蓉电缆有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a high-strength aluminum alloy and its preparation method to solve the problems of poor dispe

Method used

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  • High-strength aluminum alloy and preparation method thereof

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Effect test

Embodiment 1

[0022] The preparation method of the high-strength aluminum alloy of this embodiment includes:

[0023] (1) Graphene is placed in the sensitization solution that the hydrochloric acid that is formed by the stannous chloride of 0.15mol / L and 0.15mol / L is ultrasonically treated at 25 ℃ for 45min, filters and cleans to neutrality with deionized water; Graphene was added to an activation solution composed of 0.0018mol / L palladium chloride and 0.3mol / L hydrochloric acid, ultrasonically treated at 25°C for 45min, filtered and washed with deionized water until neutral; then, graphene was added into the plating solution and ultrasonically treated for 45min at 25°C and pH 12, filtered and washed to neutral with deionized water, and vacuum-dried for 24h at a temperature of 50°C to obtain modified graphene, wherein the Plating solution is made of the copper sulfate of 10g / L, the nickel sulfate of 1g / L, the sodium citrate of 15g / L, the sodium hypophosphite of 30g / L and the boric acid of 3...

Embodiment 2

[0027] The preparation method of the high-strength aluminum alloy of this embodiment includes:

[0028] (1) Graphene is placed in the sensitization solution that the hydrochloric acid that is formed by the stannous chloride of 0.15mol / L and 0.15mol / L is ultrasonically treated at 30 ℃ for 30min, filtered and cleaned to neutrality with deionized water; Graphene was added to an activation solution composed of 0.0018mol / L palladium chloride and 0.3mol / L hydrochloric acid, ultrasonically treated at 30°C for 30min, filtered and washed with deionized water until neutral; then, graphene was added into the plating solution and ultrasonically treated at 25°C and pH 12 for 60min, filtered and washed to neutral with deionized water, and vacuum-dried at a temperature of 50°C for 25h to obtain modified graphene, wherein the Plating solution is made of the copper sulfate of 10g / L, the nickel sulfate of 1g / L, the sodium citrate of 15g / L, the sodium hypophosphite of 30g / L and the boric acid of...

Embodiment 3

[0032] The preparation method of the high-strength aluminum alloy of this embodiment includes:

[0033] (1) Graphene is placed in the sensitization solution that the hydrochloric acid that is formed by the stannous chloride of 0.15mol / L and 0.15mol / L ultrasonically treats 40min at 28 ℃, filters and cleans to neutrality with deionized water; Graphene was added to an activation solution composed of 0.0018mol / L palladium chloride and 0.3mol / L hydrochloric acid, ultrasonically treated at 28°C for 40min, filtered and washed with deionized water until neutral; then, graphene was added into the plating solution and ultrasonically treated at 25°C and pH 12 for 50min, filtered and washed with deionized water until neutral, and vacuum-dried at 50°C for 24.5h to obtain modified graphene, wherein the Said plating solution is made of the copper sulfate of 10g / L, the nickel sulfate of 1g / L, the sodium citrate of 15g / L, the sodium hypophosphite of 30g / L and the boric acid of 35g / L;

[0034]...

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Abstract

The invention discloses a preparation method of high-strength aluminum alloy, and belongs to the technical field of high-strength metal materials. The preparation method comprises the steps that modified grapheme is prepared, the modified graphene and the aluminum alloy powder are mixed to prepare the composite powder, and the high-strength aluminum alloy prepared by adopting the powder metallurgyprocess. According to the high-strength aluminum alloy and the preparation method, the whole preparation process is simple, the modified graphene treatment process and the material mixing process cooperate with each other, and the easy-to-control powder metallurgy technology is adopted, so that the operation is simple and convenient, and the strength and the hardness of the prepared aluminum alloy are high.

Description

technical field [0001] The invention relates to the technical field of high-strength metal materials, in particular to a high-strength aluminum alloy and a preparation method thereof. Background technique [0002] Aluminum matrix composites have the advantages of low density, strong corrosion resistance, excellent electrical and thermal conductivity, and good processability, and have become the mainstream of metal matrix composites. With the development of the automotive and aerospace fields, especially in space, harsh environments such as ionizing radiation put forward better requirements for the specific strength, specific modulus, and corrosion resistance of metal composite materials. Traditional ceramic fiber and particle reinforcements can no longer meet the requirements for aluminum alloy composites. [0003] Graphene is a material with a single atomic layer structure composed of carbon atoms, which has excellent mechanical, telephony, chemical and optical properties....

Claims

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Application Information

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IPC IPC(8): C23C18/40C22C1/10C22C1/05C22C21/00
CPCC22C1/0416C22C1/05C22C1/101C22C21/00C23C18/1893C23C18/40
Inventor 陈宝书栾道成冯再陈伟廖力
Owner 四川新蓉电缆有限责任公司
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