Abstract
It is essential to sustain ever increasing challenges looked by cutting tool producers in enhancing the performance of the tools amid machining of hard to-cut materials which have been created as of late. Though coated tools have discovered wide application in industries, there still remains an extensive scope of change of the properties of coatings with a view to accomplish friendly cutting environment. Surface treatment has been recognized as one of the conceivable avenues which can possibly expand properties and performance of coated tools in machining. The current research work has utilized a second generation AlTiN super nitride nano composite coating commercially called Hyperlox® was deposited on ASTM A681 tool steels by PVD magnetron sputtering technique. The friction and wear properties were investigated using pin on disc test, has been correlated to microstructural and micromechanical characteristics. The outcomes demonstrated that the Hyperlox® coatings introduced lower friction coefficient and lower wear rate among all loading conditions.
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