A kind of anti-corrosion and anti-wear material with ni-cu-p-tin composite coating and preparation method thereof

Abstract

The invention discloses an anticorrosion abrasive-resistant material which sequentially comprises a base material, a Ni-P coating, a Ni-Cu-P coating and a Ni-Cu-P-TiN coating from inward to outward. According to the invention, flexible metal Cu and TiN nano particles are added into the Ni-P coating via a prior precipitation mechanism and a co-deposition mechanism, so that the Cu metal and the TiN particles have complementary performance advantages; meanwhile, in order to improve the wettability of the TiN particles and a Ni-P alloy, the TiN particles are subjected to Ni coating modification treatment, and the bonding intensity of the TiN particles and the coating is increased; on the other hand, by the multi-layer structural design of Ni-P / Ni-Cu-P / (Ni-Cu-P-TiN), the problem of poor bonding intensity of the coatings caused by the prior precipitation mechanism of Cu is solved. The method is simple in technology, and equipment is low in price; a subsequent technology is combined, a coating scraper with good corrosion resistance and tribology performance can be prepared, and the service life of the scraper can be multiplied.

Description

technical field [0001] The invention relates to an anti-corrosion and anti-wear material with Ni-Cu-P-TiN composite coating and a preparation method thereof, belonging to the technical field of anti-corrosion and anti-wear material preparation. Background technique [0002] In the prior art, the coating of the anti-corrosion and anti-wear ink scraper with coating is usually a single-layer Ni-P coating, but it is difficult for the single-layer Ni-P coating to meet the increasingly complex construction conditions due to its anti-corrosion and anti-wear properties, so people try to The Ni-P coating introduces a new phase, which is expected to achieve the purpose of improving the overall performance of the material. In the research, it was found that when copper is added to the Ni-P coating, the bonding strength between the coating and the substrate will be reduced; when directly applied to the Ni-P coating When the second phase particles are introduced into the coating, due to ...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the coating of the anti-corrosion and anti-wear ink scraper with coating is usually a single-layer Ni-P coating, but it is difficult for the single-layer Ni-P coating to meet the increasingly complex construction conditions due to its anti-corrosion and anti-wear properties, so people try to The Ni-P coating introduces a new phase, which is expected to achieve the purpose of improving the overall performance of the material. In the research, it was found that when copper is added to the Ni-P coating, the bonding strength between the coating and the substrate will be reduced; when directly applied to the Ni-P coating When the second phase particles are introduced into the coating, due to the insufficient embedding strength of the second phase particles, the coating is easy to fall off in a corrosive and abrasive environment

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