Abstract
Abstract Electroless nickel boron (Ni-B) coatings are finding their applications in the aerospace, automotive, chemical and electrical industries due to their properties such as high hardness and high wear resistance. However, Ni-B coatings generally show high friction. They also suffered from severe attacks in aqueous solution containing Cl− ion. In this paper, the experiments are carried out to reduce the friction and improve corrosion resistant properties of Ni-B coating by PTFE impregnation. It is found that Ni-B coating after impregnated by an aqueous solution containing 40 wt% PTFE nanoparticles is able to withstand a rubbing test duration of 3600 s with the coefficient of friction as low as
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