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HIGH VELOCITY OXY - FUEL COATINGS TRIBOLOGY: A CRITICAL REVIEW

Journal: Proceedings on Engineering Sciences (Vol.6, No. 3)

Publication Date:

Authors : ;

Page : 933-940

Keywords : Tribology; HVOF; Coatings; Microstructure; Review;

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Abstract

High velocity oxy-fuel (HVOF) coating is a widely used thermal spray technique for applying wear-resistant coatings on metallic surfaces. The primary objective of this review is to provide an overview of the tribological properties of HVOF coatings. The review starts with a brief introduction to HVOF coatings, followed by a discussion of the various types of HVOF coatings and their microstructural characteristics. The tribological properties of HVOF coatings, including hardness, wear resistance, friction coefficient, and adhesion, are then discussed in detail. The influence of various parameters, such as coating material, substrate material, and testing conditions, on the tribological behaviour of HVOF coatings is also reviewed. A review of HVOF coatings tribology would cover the latest research on the subject, including the types of coatings available, their properties, and the methods used to evaluate their performance. It would also examine the challenges and opportunities in the field, such as developing new coatings for extreme environments or improving the coating-substrate adhesion. Finally, the review concludes with a summary of the key findings and suggestions for future research directions. Overall, this review highlights the potential of HVOF coatings to improve the tribological performance of metallic components in various industrial applications.

Last modified: 2024-09-02 03:23:41