Method for preparing Ni-Mo-P coating on surface of high-entropy alloy

A high-entropy alloy, ni-mo-p technology, applied in the field of materials, can solve the problems of low strength and high plasticity, and achieve the effect of improving the tensile strength at room temperature
CN110656327AInactive Publication Date: 2020-01-07TAIYUAN UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TAIYUAN UNIV OF TECH
Publication Date
2020-01-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a method for preparing a Ni-Mo-P coating on the surface of a high-entropy alloy. The method is characterized in that the surface of the high-entropy alloy is plated with a layer of Ni-Mo-P coating, then the bonding force between the coating and the matrix is improved through heat treatment, and the obtained coating improves the room temperature tensile strength of the high-entropy alloy; and finally, the composite material with a sandwich structure of Ni-Mo-P / high-entropy alloy / Ni-Mo-P is formed. According to the method, aiming at the characteristics of low strength of an FCC structure high-entropy alloy, the surface of the high-entropy alloy is plated with the layer of Ni-Mo-P coating, and the bonding force between the coating and the matrix is improved through heat treatment, so that the room temperature tensile strength of the high-entropy alloy is improved; and compared with the high-entropy matrix without coating, the room temperature tensile strength ofthe coated composite material is greatly improved.
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Description

technical field

[0001] The invention relates to a method for preparing a Ni-Mo-P coating on the surface of a high-entropy alloy, belonging to the technical field of materials. Background technique

[0002] For thousands of years, the development history of human beings has been closely linked with the development history of metal materials. Metal materials have always been one of the most important materials for human beings, and have great significance in national economy and social life. High-entropy alloys have unique structures, novel alloy design concepts and excellent comprehensive properties, such as high strength, high hardness, excellent corrosion resistance and thermal stability, outstanding fatigue resistance and fracture strength, etc., which have attracted everyone Widespread concern. Studies have shown that the structure of the material determines the performance. For the high-entropy alloy with the face-centered cubic structure, it often exhibits the charact...

Claims

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