Abstract

Coatings are used in various production and manufacturing industries for purposes viz. to increase tool life, to have better surface finish or surface quality of the product. These enhancements will help industries to increase their production rate and profit margin also. Coatings are used on different metal and steel alloys to enhance their physical and mechanical properties. Rare earth elements as an additive in coating had shown a significant increase in the performance of the developed coating. The present paper represents and reviews the research work on the various types of coatings and their effects on the performance of the substrate used. This paper also discusses the studies done by various researchers on the coating developed with Rare earth elements. The results from the literature exhibited an improvement in the characteristic properties of different metal, steel, and tool steel alloys. The last part of this paper presents the utilization/importance of various coatings on steels and tool steels along with the future scope of research work.

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