Wear Mechanism and Tool Performance of TiAlN Coated During Machining of AISI410 Steel
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TiAlN films were deposited on a high-speed steel (HSS) tool by a physical vapor deposition technique. This study describes the deposition, characterization and coating phase composition of the composite coating. Dry turning tests were carried out on martensitic stainless steel AISI410 with three series of cutting speed: 30, 120 and 180 m/min, while the depth of cut and feed rate were kept constant at 1 mm and 0.15 mm/rev, respectively. The machined work piece surface roughness, adhesive strength and cutting force of the coated cutting tool were studied. The wear rate and worn surface of the cutting tools were also studied with scanning electron microscopy. The test results show that the cutting performance of the HSS cutting tool was improved with the covering of the TiAlN coating with at least two times increase of cutting life.
KeywordsTiAlN PVD coating Friction and wear SS410 HSS tool steel SEM–EDS and XRD
The author would like to thank Sri. Y.V. Anjaneyulu, Chairman, Er. D. Vinaykumar, B.Tech, Director, Dr. P. Pandarinath, M.Tech, Ph.D, Principal and Prof. N. SatyaNarayana, HOD, Mechanical Department of Chalapathi Institute of Engineering & Technology, Chalapathi Nagar, Lam, Guntur-522034 for their constant encouragement in all hisendeavors. The author would also like to thank the reviewers for providing their useful comments, suggestions, and guidelines during the course of revisions to improve the technical quality of the present paper.
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