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Title: Investigation of the nanostructure and wear properties of physical vapor deposited CrCuN nanocomposite coatings

Abstract

This article presents results on CrCuN nanocomposite coatings grown by physical vapor deposition. The immiscibility of Cr (containing a supersaturation of nitrogen) and Cu offers the potential of depositing a predominantly metallic (and therefore tough) nanocomposite, composed of small Cr(N) metallic and/or {beta}-Cr{sub 2}N ceramic grains interdispersed in a (minority) Cu matrix. A range of CrCuN compositions have been deposited using a hot-filament enhanced unbalanced magnetron sputtering system. The stoichiometry and nanostructure have been studied by x-ray photoelectron spectroscopy, transmission electron microscopy, scanning electron microscopy, and x-ray diffraction. Hardness, wear resistance, and impact resistance have been determined by nanoindentation, reciprocating-sliding, and ball-on-plate high-cycle impact. Evolution of the nanostructure as a function of composition and correlations of the nanostructure and mechanical properties of the CrCuN coatings are discussed. A nanostructure comprised of 1-3 nm {alpha}-Cr(N) and {beta}-Cr{sub 2}N grains separated by intergranular regions of Cu gives rise to a coating with significantly enhanced resistance to impact wear.

Authors:
; ; ; ; ;  [1];  [2];  [3];  [2]
  1. School of Engineering, University of Surrey, Guildford, Surrey GU2 7XH (United Kingdom)
  2. (United Kingdom)
  3. (Italy)
Publication Date:
OSTI Identifier:
20637086
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Vacuum Science and Technology. A, Vacuum, Surfaces and Films; Journal Volume: 23; Journal Issue: 3; Other Information: DOI: 10.1116/1.1875212; (c) 2005 American Vacuum Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CHROMIUM COMPOUNDS; COPPER; HARDNESS; MAGNETRONS; NANOSTRUCTURES; NITROGEN; PHYSICAL VAPOR DEPOSITION; SCANNING ELECTRON MICROSCOPY; SPUTTERING; STOICHIOMETRY; SUPERSATURATION; TRANSMISSION ELECTRON MICROSCOPY; VAPOR DEPOSITED COATINGS; WEAR RESISTANCE; X-RAY DIFFRACTION; X-RAY PHOTOELECTRON SPECTROSCOPY

Citation Formats

Baker, M.A., Kench, P.J., Tsotsos, C., Gibson, P.N., Leyland, A., Matthews, A., Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD, Institute for Health and Consumer Protection, Joint Research Centre, I-21020 Ispra, VA, and Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD. Investigation of the nanostructure and wear properties of physical vapor deposited CrCuN nanocomposite coatings. United States: N. p., 2005. Web. doi:10.1116/1.1875212.
Baker, M.A., Kench, P.J., Tsotsos, C., Gibson, P.N., Leyland, A., Matthews, A., Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD, Institute for Health and Consumer Protection, Joint Research Centre, I-21020 Ispra, VA, & Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD. Investigation of the nanostructure and wear properties of physical vapor deposited CrCuN nanocomposite coatings. United States. doi:10.1116/1.1875212.
Baker, M.A., Kench, P.J., Tsotsos, C., Gibson, P.N., Leyland, A., Matthews, A., Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD, Institute for Health and Consumer Protection, Joint Research Centre, I-21020 Ispra, VA, and Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD. 2005. "Investigation of the nanostructure and wear properties of physical vapor deposited CrCuN nanocomposite coatings". United States. doi:10.1116/1.1875212.
@article{osti_20637086,
title = {Investigation of the nanostructure and wear properties of physical vapor deposited CrCuN nanocomposite coatings},
author = {Baker, M.A. and Kench, P.J. and Tsotsos, C. and Gibson, P.N. and Leyland, A. and Matthews, A. and Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD and Institute for Health and Consumer Protection, Joint Research Centre, I-21020 Ispra, VA and Department of Engineering Materials, University of Sheffield, Portobello Street, Sheffield S1 3JD},
abstractNote = {This article presents results on CrCuN nanocomposite coatings grown by physical vapor deposition. The immiscibility of Cr (containing a supersaturation of nitrogen) and Cu offers the potential of depositing a predominantly metallic (and therefore tough) nanocomposite, composed of small Cr(N) metallic and/or {beta}-Cr{sub 2}N ceramic grains interdispersed in a (minority) Cu matrix. A range of CrCuN compositions have been deposited using a hot-filament enhanced unbalanced magnetron sputtering system. The stoichiometry and nanostructure have been studied by x-ray photoelectron spectroscopy, transmission electron microscopy, scanning electron microscopy, and x-ray diffraction. Hardness, wear resistance, and impact resistance have been determined by nanoindentation, reciprocating-sliding, and ball-on-plate high-cycle impact. Evolution of the nanostructure as a function of composition and correlations of the nanostructure and mechanical properties of the CrCuN coatings are discussed. A nanostructure comprised of 1-3 nm {alpha}-Cr(N) and {beta}-Cr{sub 2}N grains separated by intergranular regions of Cu gives rise to a coating with significantly enhanced resistance to impact wear.},
doi = {10.1116/1.1875212},
journal = {Journal of Vacuum Science and Technology. A, Vacuum, Surfaces and Films},
number = 3,
volume = 23,
place = {United States},
year = 2005,
month = 5
}
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