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Research of Electroless Plating Ni-P Coating on ZL101A Alloy

Xin Ren

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Abstract

In order to improve the corrosion resistance of ZL101A alloy, the electroless plating Ni-P coatings with and without electroplating Cu layer were investigated by potentiodynamic polarization, salt spary test, SEM, microhardness meter. The results show that the two kinds of coatings have excellent corrosion resistance and high hardness, which protecte the alloy effectively. In addition, the Ni-P coating with electroplating Cu layer has better corrosion resistance and higher hardness than the direct electroless Ni-P plating.

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What this paper is about

In order to improve the corrosion resistance of ZL101A alloy, the electroless plating Ni-P coatings with and without electroplating Cu layer were investigated by potentiodynamic polarization, salt spary test, SEM, microhardness meter. The results show that the two kinds of coatings have excellent corrosion resistance and high hardness, which protecte the alloy effectively. In addition, the Ni-P coating with electroplating Cu layer has better corrosion resistance and higher hardness than the direct electroless Ni-P plating.

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Available abstract

In order to improve the corrosion resistance of ZL101A alloy, the electroless plating Ni-P coatings with and without electroplating Cu layer were investigated by potentiodynamic polarization, salt spary test, SEM, microhardness meter. The results show that the two kinds of coatings have excellent corrosion resistance and high hardness, which protecte the alloy effectively. In addition, the Ni-P coating with electroplating Cu layer has better corrosion resistance and higher hardness than the direct electroless Ni-P plating.

Key concepts: Materials science, Electroplating, Corrosion, Metallurgy, Alloy, Indentation hardness, Coating, Plating (geology)

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