Journal
TRIBOLOGY INTERNATIONAL
Volume 62, Issue -, Pages 215-222Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2013.02.035
Keywords
Nanolayer and nanocomposite coating; Tool wear; Carbide cutting tool; Hard milling
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Funding
- Unit of Scientific Research Project of Suleyman Demirel University, Turkey [2187-D-10]
- Unit of Scientific Research Project of Slovenian Research Agency [L2-2100]
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The influence of nanolayer AlTiN/TiN and multilayer nanocomposite TiAlSiN/TiSiN/TiAlN hard coatings on the wear behavior and cutting performance of carbide cutting tools was investigated in face milling of hardened AISI O2 cold work tool steel (similar to 58 HRC) at dry conditions. Characterization of the coatings was performed using nanoindentation, scratch test, reciprocating multi-pass wear test. The chips forming during cutting process were also analyzed. Results showed that abrasive and oxidation wear are dominant tool failures. The nanolayer AlTiN/TiN coating gives the best adhesion to the substrate, the best wear resistance in machining and thus provides the longest lifetime with carbide inserts. (C) 2013 Elsevier Ltd. All rights reserved.
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