Abstract
Electroless coating technique is widely used in various industrial applications. This coating is the decision for some design applications with different actual attributes of electroless Nickel coatings, for example, hardness, wear resistance and coating thickness. The major advantages of Electroless Ni-P coatings are uniform coating thickness, improved wear and corrosion resistance, hardness, ability to deposit on surface activated non-conductors etc. In this article, a pure Nickel phosphorous (NiP) and Nickel phosphorous-Silicon Carbide (SiC) composite coatings are deposited on En8 steel using electroless coating to enhance the mechanical and wear properties of En8 steel. The wear test was carried out using Pin on Disc Tribometer against the counter part of stainless steel at atmospheric condition with various process parameters such as load, sliding velocity and sliding distance. The surface hardness and elemental composition of the coating were analyzed by Vickers hardness test and Optical Emission Spectroscopy respectively.
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