Tribological performance of electroless Ni-P coatings

P. Sahoo,     Jadavpur University, India


Electroless Ni-P coatings are quite suitable for tribology based applications. They are smooth due to the nodular surface and have good wear resistance. Hardness of Ni-P coating and wear resistance increase with heat treatment. Several particle inclusions in the coating are found to favor its tribological performance. Three tribological testing parameters – applied load, sliding speed and sliding duration – are optimized in order to minimize friction and wear of the coating. Taguchi method with L27 orthogonal array is employed to optimize the individual performances whereas grey relational analysis is considered for optimization of the ...

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