Method for preparing high-strength and high-conductivity copper-based alloy coating by means of laser-induction hybrid cladding

A technology of copper-based alloy and base alloy, which is applied in the coating process and coating of metal materials, can solve the problems of easy oxidation and other problems, and achieve the effect of compact structure, reduced temperature gradient and low dilution rate
CN102912342AInactive Publication Date: 2013-02-06NANCHANG HANGKONG UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
NANCHANG HANGKONG UNIVERSITY
Publication Date
2013-02-06
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for preparing a high-strength and high-conductivity copper-based alloy coating by means of laser-induction hybrid cladding, which is characterized by comprising the following steps of: firstly, performing chemical nickel-plating treatment on a special copper-based alloy powder to form a nickel-coated copper-based alloy powder with a core-shell structure; secondly, performing oil removal, rust removal, surface activation and chemical nickel-plating treatment on the surface of a matrix; and finally, preparing the high-conductivity copper-based alloy coating on the surface of the matrix by means of laser-induction hybrid cladding. The method disclosed by the invention has the advantages of being high in machining efficiency, low in cost, good in technical and economic benefits, and has a wide application prospect in the surface reinforcement and repair of fields of aeronautics, astronautics, automobile, metallurgy, electricity and the like, in which aluminium and aluminium alloy, magnesium and magnesium alloy, and copper and copper alloy are widely used.
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Description

technical field

[0001] The invention relates to a method for preparing a high-strength and high-conductivity copper-based alloy coating, in particular to a method for preparing a high-strength and high-conductivity copper-based alloy coating by laser-induction composite cladding. Background technique

[0002] A high-strength and high-conductivity copper-based alloy coating is prepared on the surface of a substrate with a certain strength, which can not only give full play to the advantages of plasticity, toughness or high specific strength of the substrate, but also make full use of the high-strength and high-conductivity copper-based alloy coating. Electrical and thermal conductivity, high hardness, high wear resistance and high corrosion resistance, thereby greatly improving the overall performance of the substrate (high strength, high toughness, high specific strength, high specific stiffness, high hardness and high wear resistance, high electrical conductivity combined w...

Claims

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