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Metals 2019, 9(3), 332; https://doi.org/10.3390/met9030332

Investigation of the Temperature-Related Wear Performance of Hard Nanostructured Coatings Deposited on a S600 High Speed Steel

1
Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM—UdR Ancona), Via Brecce Bianche 12, 60131 Ancona, Italy
2
Dipartimento SIMAU, Università Politecnica delle Marche, Via Brecce Bianche 12, 60131 Ancona, Italy
3
Dipartimento di Ingegneria Industriale e Scienze Matematiche (DIISM), Università Politecnica delle Marche, 60131 Ancona, Italy
4
Mechanical and Industrial Engineering Department, College of Engineering, Qatar University, PO Box 2713 Doha, Qatar
5
Center for Advanced Materials, Qatar University, PO Box 2713 Doha, Qatar
*
Author to whom correspondence should be addressed.
Received: 31 January 2019 / Revised: 5 March 2019 / Accepted: 9 March 2019 / Published: 15 March 2019
(This article belongs to the Special Issue Processing-Structure-Property Relationships in Metals)
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Abstract

Thin hard coatings are widely known as key elements in many industrial fields, from equipment for metal machining to dental implants and orthopedic prosthesis. When it comes to machining and cutting tools, thin hard coatings are crucial for decreasing the coefficient of friction (COF) and for protecting tools against oxidation. The aim of this work was to evaluate the tribological performance of two commercially available thin hard coatings deposited by physical vapor deposition (PVD) on a high speed tool steel (S600) under extreme working conditions. For this purpose, pin-on-disc wear tests were carried out either at room temperature (293 K) or at high temperature (873 K) against alumina (Al2O3) balls. Two thin hard nitrogen-rich coatings were considered: a multilayer AlTiCrN and a superlattice (nanolayered) CrN/NbN. The surface and microstructure characterization were performed by optical profilometry, field-emission gun scanning electron microscopy (FEGSEM), and energy dispersive spectroscopy (EDS). View Full-Text
Keywords: high speed steel; nanostructured coatings; thin films; FEGSEM; tribology high speed steel; nanostructured coatings; thin films; FEGSEM; tribology
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Santecchia, E.; Cabibbo, M.; Hamouda, A.M.S.; Musharavati, F.; Popelka, A.; Spigarelli, S. Investigation of the Temperature-Related Wear Performance of Hard Nanostructured Coatings Deposited on a S600 High Speed Steel. Metals 2019, 9, 332.

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