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Study on Electroless Nickel-based Nano-(SiC)_P Composite Coating

Yin Zhi-juan

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Abstract

In order to further improve the properties of electroless composite coating,the Ni-P-(SiC)p electroless composite plating added nano-(SiC)p was prepared and technical conditions of coating were studied.The micro-morphology of the coating was observed.The composition and properties of the coating were tested.It was compared with Ni-P coating and Ni-P-(SiC)P coating.The results show that the deposition rate is the fastest and the deposition is the largest,when the pH= 4.5,T=85±1℃.The prepared coating is uniform,compact,high hardness,and has good wear resistance.The hardness of the composite coating is 1337HV after 500℃ heat treatment.

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What this paper is about

In order to further improve the properties of electroless composite coating,the Ni-P-(SiC)p electroless composite plating added nano-(SiC)p was prepared and technical conditions of coating were studied.The micro-morphology of the coating was observed.The composition and properties of the coating were tested.It was compared with Ni-P coating and Ni-P-(SiC)P coating.The results show that the deposition rate is the fastest and the deposition is the largest,when the pH= 4.5,T=85±1℃.The prepared coating is uniform,compact,high hardness,and has good wear resistance.The hardness of the composite coating is 1337HV after 500℃ heat treatment.

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Available abstract

In order to further improve the properties of electroless composite coating,the Ni-P-(SiC)p electroless composite plating added nano-(SiC)p was prepared and technical conditions of coating were studied.The micro-morphology of the coating was observed.The composition and properties of the coating were tested.It was compared with Ni-P coating and Ni-P-(SiC)P coating.The results show that the deposition rate is the fastest and the deposition is the largest,when the pH= 4.5,T=85±1℃.The prepared coating is uniform,compact,high hardness,and has good wear resistance.The hardness of the composite coating is 1337HV after 500℃ heat treatment.

Key concepts: Coating, Materials science, Composite number, Plating (geology), Nickel, Composite material, Deposition (geology), Chemical deposition

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