Abstract
Tribo-mechanical degradation caused by erosive wear is a very severe problem in hydro power stations, turbine blades, marine environments, aircraft, piston-cylinder mechanisms, and various other industrial components which results in surface damage and hence alters the functionality performance of part components that brings huge economic losses. Higher erosion rates bring pre-mature part failure and hence shorten the service life. In this current investigation, analysis of previous literature and comparative study of different nanostructure, as well as conventional coatings are made in the erosive environment. Parameters affecting the erosion rate like size, type, and shape of erodent particles, impact angle, material property and composition etc. are also discussed. To overcome such instances wear resistant coatings are applied to the component surface to increase the functional service life. The chromium carbide (Cr 3 C 2 NiCr) and tungsten carbide (WC) based nanostructured as well as conventional coatings are commonly used to minimize the erosive wear of part components which are also summarized in this present work.
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