JMS_V1_N2_RP3 Sukhminderbir Singh Kalsi T.S. Sidhu H. Singh Journal on Material Science 2347–615X 1 2 20 26 Coating, High Temperature Corrosion, Cold Spray Coatings are always considered to improve the thermal, chemical and mechanical properties of the materials. Cold spray is one of the upcoming technologies for coatings. In this study NiCrAlY coatings were successfully deposited on Superni 76, Superni 600 and Superfer 800H superalloys (Midhani grade) for hot corrosion protection. The characterization of the cold sprayed coatings have been studied using the combined techniques of, optical microscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDAX). The deposited coatings found were dense with a porosity less than 1% and micro hardness of the order of 582-670 Hv. XRD and EDAX analysis show Ni as the major phase in as-sprayed coating. Coating was found free from oxides. July – September 2013 Copyright © 2013 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=2453