A high binding force alloy plating material

A technology of alloy electroplating and binding force, which is applied in the field of alloy electroplating materials to improve the bonding force between aluminum and electroplated metals, can solve problems such as unfavorable electroplating process, non-uniform corrosion, and no public etching method, and achieve simple and easy positioning corrosion, High solubility and good wash-off effect
CN111118556BActive Publication Date: 2021-01-26深圳市桑达兴业机械实业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
深圳市桑达兴业机械实业有限公司
Publication Date
2021-01-26

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Abstract

The invention provides a method for preparing an alloy electroplating material with high binding force. By removing the shielding layer at the bottom of the anodic oxide film to expose the aluminum metal substrate, and then sequentially electroplating a zinc transition layer and a zinc-nickel electroplating layer, the final effective improvement of the substrate is achieved. Bonding force with coating.
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Description

technical field

[0001] The invention relates to an alloy electroplating material with anodized aluminum as a base material, belongs to the field of anodized aluminum materials without shielding layers prepared by electrochemical methods, and is especially suitable for improving the bonding force between aluminum materials and electroplated metals.

[0002] technical background

[0003] With the rapid development of science and technology and industry, people have more and more stringent requirements on metal properties. Lightweight and high-hardness metal alloy materials are widely used in related fields. Since the output of aluminum in the world is second only to iron, light metal aluminum alloys The material gets a lot of attention. Aluminum and aluminum alloy materials have low hardness, poor wear resistance, and are prone to intergranular corrosion, and a thin oxide film is easy to form on the surface of aluminum under natural conditions, and the film is easy to be damage...

Claims

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