Tribological behaviors of titanium nitride-and chromium-nitride-based physical vapor deposition coating systems

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DOIResolve DOI: http://doi.org/10.1115/1.4007168
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TypeArticle
Journal titleJournal of Engineering for Gas Turbines and Power
ISSN0742-4795
Volume134
Issue11
Article number112504
SubjectCathodic arc; Coated sample; Coating compositions; Coefficient of frictions; CrN-based coatings; Deposition process; Erosion behavior; Erosion rates; Erosion resistance; Impingement angle; Micro-structural; Physical vapor deposition coatings; Plasma enhanced magnetron sputtering; Tribological behaviors; Tribological properties; Wear rates; Young's Modulus; Amorphous films; Chromium; Elastic moduli; Electron beams; Friction; Hardness; Microstructure; Protective coatings; Titanium nitride; Tribology; Erosion
AbstractThis study investigates the effects of the deposition process and coating composition on microstructural and tribological properties of TiN-and CrN-based coating systems. Coatings were produced using various PVD-based processes-electron beam (EB), cathodic arc (CA), and plasma enhanced magnetron sputtering (PEMS). All coated samples were evaluated for their composition, microstructure, and surface morphology. Coating mechanical properties such as hardness, Young's modulus, and coefficient of friction were also studied and related to their microstructures, wear, and erosion resistances. It was found that hardness (H), Young's modulus (E), and coefficient of friction had impact on both wear and erosion rates. In particular, the H 3/E 2 ratio was inversely proportional to the specific wear rate. For erosion behavior, higher H 3/E 2 ratios relate to lower erosion rates at low impingement angles, whereas higher H 3/E 2 ratios relate to higher erosion rates at high impingement angles. © 2012 American Society of Mechanical Engineers.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21269309
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Record identifier74bde919-179b-4de6-8111-22f0f0b073a3
Record created2013-12-12
Record modified2016-05-09
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