Surface density of growth defects in different PVD hard coatings prepared by sputtering

Panjan, Peter and Čekada, Miha and Panjan, Matjaž and Kek-Merl, Darja and Zupanič, Franc and Ćurković, Lidija and Paskvale, Srečko (2012) Surface density of growth defects in different PVD hard coatings prepared by sputtering. = Surface density of growth defects in different PVD hard coatings prepared by sputtering. Vacuum, 86 (6). pp. 794-798. ISSN 0042-207X. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q2 (2012). Točan broj autora: 7.

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Growth defects are present in all PVD hard coatings. They have detrimental influence on their tribological properties (higher sticking of workpiece material, higher friction coefficient, worse corrosion resistance, higher gas permeation). In order to improve the tribological properties of PVD hard coatings it is important to minimize the concentration of growth defects. Conventional TiAlN single layer as well as AlTiN/TiN and TiAlN/CrN nanolayer coatings were deposited on cemented carbide, powder metallurgical high speed steel (ASP30) and cold work tool steel (D2) by magnetron sputtering in the CC800/7 and CC800/9 sinOx ML (CemeCon) deposition systems, respectively. The surface morphology of the coated substrates was examined by scanning electron microscope (FE-SEM) in combination with focused ion beam (FIB), and 3D stylus profilometer. By means of 3D-profilometry we performed several measurements and detailed analysis on a series of samples from the several hundred production batches. The influence of growth defects on GDOES (glow-discharge optical emission spectrometry) depth resolution and pitting corrosion was also studied. © 2011 Elsevier Ltd. All rights reserved.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): Cemented carbides; Coated substrates; Cold work tool steels; Deposition systems; Depth resolution; Friction coefficients; Gas permeation; Growth defects; High-speed steels; Nanolayer coating; Optical emission spectrometry; Production batches; PVD coatings; PVD hard coatings; Scanning Electron Microscope; Single layer; Stylus profilometer; Surface density; Tribological properties; Workpiece materials; Carbides; Corrosion resistance; Defects; Friction; Metallurgy; Optical emission spectroscopy; Pitting; Powder coatings; Profilometry; Scanning electron microscopy; Surface defects; Three dimensional; Tool steel; Tribology; Hard coatings
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q2 (2012)
Date Deposited: 27 Apr 2015 09:47
Last Modified: 04 Mar 2016 13:59

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