EFFECT OF COATING TYPE ON TRIBOLOGICAL RESPONSE OF H13 TOOL STEEL

Mathew Alphonse (), V. K. Bupesh Raja and Manoj Gupta ()
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Mathew Alphonse: Department of Mechanical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Chennai, Tamil Nadu 600062, India
V. K. Bupesh Raja: School of Mechanical Engineering, Sathyabama Institute of Science and Technology, Chennai, Tamil Nadu 600119, India
Manoj Gupta: Department of Mechanical Engineering, National University of Singapore, Singapore 119077, Singapore

Surface Review and Letters (SRL), 2022, vol. 29, issue 06, 1-8

Abstract: Tribology is the study of friction, wear and lubrication. This work aims to study the effect of coatings on the wear behavior of H13 tool steel. Liquid nitriding, plasma nitriding, PVD TiN coating and DLC were utilized on H13 tool steel for increasing the tool life, quality of drilled holes and to reduce the cost of tool material. The wear behavior of H13 was evaluated using pin on disc wear test. Microstructural and scanning electron microscope analysis of wear surface of tool was carried out to identify the best coating and wear mechanism. This study reveals that PVD-TiN-coated H13 tool exhibited the best wear response and least coefficient of friction hence can be selected for friction drilling process.

Keywords: Liquid nitriding; plasma nitriding; physical vapor deposition (PVD) TiN coating; diamond like carbon coating (DLC); H13 friction drilling tool (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X22500743

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