DESIGN AND DEVELOPMENT OF AN ELECTROLESS COATING SETUP AND INVESTIGATION OF THE MECHANICAL CORROSION AND HARDNESS CHARACTERISTICS OF Ni-P COMPOSITE COATINGS

Author

M. Vykunta Rao, Bommana Gayatri, Cheedi Bhavani, Amara Rajesh


Abstract

 ZnFe₂O₄, also known as zinc ferrite, is added to electroless nickel-phosphorus (Ni-P) coatings to improve the surface properties of engineering materials. Electroless Ni-P coating is a simple chemical coating method that does not need an external electric current and can form a uniform layer on the material surface. Adding ZnFe₂O₄ particles can improve the hardness, wear resistance, corrosion resistance, and overall durability of the coating. The quality and performance of the coating depend on factors such as the amount of ZnFe₂O₄, particle size, bath temperature, pH, plating time, and heat treatment. By properly controlling these parameters, a strong and uniform coating can be obtained. Heat treatment can further improve the hardness and structure of the coating. These coatings can be useful for protecting components used in automotive, aerospace, marine, oil and gas, and manufacturing industries. Overall, ZnFe₂O₄-reinforced Ni-P composite coating can be an effective method for improving the surface performance and service life of engineering components.



Keywords

ZnFe₂O₄, Zinc Ferrite, Electroless Ni-P, Composite Coating, Hardness, Corrosion Resistance, Wear Resistance, Surface Engineering.



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References


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