Evaluation of Tool Performance With Nanocrystalline Multilayer Coatings on the Machinability of Superalloy Inconel 718

Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering

مقاله 8، دوره 3، شماره 2، آذر 2010، صفحه 69-75   

نوع مقاله: Persian

نویسندگان

Rasool Mokhtari Homami¹؛ Behrooz Movahedi^{* 2}؛ Iraj Lirabi³؛ Mehdi Bazargan⁴

¹M.Sc., Department of Mechanical Engineering, Isfahan University of Technology

²Assistant Professor, Department of Nanotechnology Engineering, Faculty of Advanced Sciences and Technology, University of Isfahan.

³Ph.D. Student, Department of Mechanical Engineering, University of Birjand

⁴Lecturer, Islamic Azad University, Khomeinishahr Branch

چکیده

In this paper, the performance of the cutting tool with nanocrystalline multilayer coatings (TiN+TiAlN) for machining of superalloy Inconel 718 in the dry and wet conditions was studied. The multi layer TiN and TiAlN with nanocrystalline structure was applied by physical vapor deposition technique (arc evaporation) on the WC-Co inserts. The results of the ball on disc wear test and the machining of superalloy Inconel 718 in wet and dry conditions indicated that the nanocrystalline coatings could produce better performance of tools in turning. Abrasion and adhesive wear resistance improved by nanocrystalline and modified Aluminum composition in TiAlN coating as well as toughness and thermal stability.

کلیدواژه‌ها

Dry and wet machining؛ Superalloy Inconel718؛ Nanocrystalline multilayer coatings

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