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High-strength wear-resistant aluminum alloy for electric power fittings

A technology of electric power fittings and aluminum alloys, which is applied in the field of aluminum alloys, can solve the problems of affecting the appearance and service life, and achieve the effects of strong protection, prolonging service life and improving the effect of electroplating

Inactive Publication Date: 2017-08-11
安徽固齐线路器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the soft surface of aluminum alloy, if the surface of aluminum alloy is not treated, it will be directly processed and used, which will not only affect its service life, but also affect its appearance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high-strength wear-resistant aluminum alloy for electric power fittings, characterized in that: it includes an aluminum alloy body and an electroplating layer, the aluminum alloy body is a Si-Mg-Nb-Ce-Co-Al alloy material, and the electroplating layer is Al- Zn-Ni-Cu coating, the raw material components in the aluminum alloy body are Si 5%, Mg 4%, Nb 0.8%, Ce 0.2%, Co 1.5%, Al balance, the electroplating layer adopts multi-component plating solution, multi-component plating solution The formula of each component is as follows: zinc oxide 30g / L, sodium hydroxide 80g / L, nickel chloride 25g / L, copper chloride 4g / L, ferric chloride 5.5g / L, ammonium polyphosphate 5g / L, bromide Potassium 8g / L, triethylenetetramine 30mL / L, sodium citrate 35g / L, the electroplating temperature in the multi-bath solution electroplating process is 35 ℃, the time is 40min, and the final coating thickness is 10μm.

Embodiment 2

[0017] A high-strength wear-resistant aluminum alloy for electric power fittings, characterized in that: it includes an aluminum alloy body and an electroplating layer, the aluminum alloy body is a Si-Mg-Nb-Ce-Co-Al alloy material, and the electroplating layer is Al- Zn-Ni-Cu coating, the raw material components in the aluminum alloy body are Si 3%, Mg 5%, Nb 0.5%, Ce 0.4%, Co 1%, Al balance, the electroplating layer adopts multi-component plating solution, multi-component plating solution The formula of each component is as follows: zinc oxide 35g / L, sodium hydroxide 100g / L, nickel chloride 30g / L, copper chloride 10g / L, ferric chloride 5.2g / L, ammonium polyphosphate 20g / L, bromide Potassium 9g / L, triethylenetetramine 32mL / L, sodium citrate 35g / L, the electroplating temperature in the multi-bath solution electroplating process is 30 ℃, the time is 60min, and the final coating thickness is 10μm.

Embodiment 3

[0019] A high-strength wear-resistant aluminum alloy for electric power fittings, characterized in that: it includes an aluminum alloy body and an electroplating layer, the aluminum alloy body is a Si-Mg-Nb-Ce-Co-Al alloy material, and the electroplating layer is Al- Zn-Ni-Cu coating, the raw material components in the aluminum alloy body are Si 8%, Mg 4%, Nb 1%, Ce 0.5%, Co 1.2%, Al balance, the electroplating layer adopts multi-component plating solution, multi-component plating solution The formula of each component is as follows: zinc oxide 32g / L, sodium hydroxide 110g / L, nickel chloride 30g / L, copper chloride 6g / L, ferric chloride 5g / L, ammonium polyphosphate 20g / L, potassium bromide 9g / L, triethylenetetramine 35mL / L, sodium citrate 40g / L, the electroplating temperature in the multi-component bath electroplating process is 30 ℃, the time is 50min, and the final coating thickness is 12μm.

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Abstract

The invention provides high-strength wear-resistant aluminum alloy for electric power fittings. The high-strength wear-resistant aluminum alloy comprises an aluminum alloy body and an electroplating layer. The aluminum alloy body is prepared from Si-Mg-Nb-Ce-Co-Al alloy materials. The electroplating layer is an Al-Zn-Ni-Cu plating layer. The prepared aluminum alloy has excellent conductivity, wear resistance, corrosion resistance and oxidation resistance, the mechanical strength is remarkably improved, the machining performance is good, and the combining force between the electroplating layer and the body is high. By means of the appropriately-added complexing agent, brightening agent and the like, the electroplating effect is effectively improved, and the service life of the aluminum alloy is prolonged.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a high-strength wear-resistant aluminum alloy for electric fittings. 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 industrial economy, the demand for welded structural parts of aluminum alloy is increasing day by day, so that the research on weldability of aluminum alloy is also in-depth. However, due to the soft surface of the aluminum alloy, if the surface of the aluminum alloy is not treated, it is directly processed and used, which not only affects its service life, but also affects its appearance. For example, the electroless nickel plating layer has excellent comprehensive physical and chemical properties such as uniformity, hardness, wear res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C21/08C25D3/56
CPCC22C21/02C22C21/08C25D3/56
Inventor 孙帮华
Owner 安徽固齐线路器材有限公司
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