Predicting high temperature mechanical properties of CrN and CrAlN coatings from in-situ synchrotron radiation X-ray diffraction

E. Mohammadpour; Z-T Jiang; M. Altarawneh; Z. Xie; Z.F. Zhou; N. Mondinos; J. Kimpton; B.Z. Dlugogorski

doi:10.1016/j.tsf.2015.12.055

$Predicting high temperature mechanical properties of CrN and CrAlN coatings from in-situ synchrotron radiation X-ray diffraction$

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Predicting high temperature mechanical properties of CrN and CrAlN coatings from in-situ synchrotron radiation X-ray diffraction

E. Mohammadpour, Z-T Jiang, M. Altarawneh, Z. Xie, Z.F. Zhou, N. Mondinos, J. Kimpton and B.Z. Dlugogorski

Thin Solid Films, Vol.599, pp.98-103

2016

DOI: https://doi.org/10.1016/j.tsf.2015.12.055

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Abstract

This contribution investigates the phase composition of CrN and CrAlN coatings by in-situ high temperature synchrotron radiation (SR-XRD), with the coatings deposited on steel substrate by closed field unbalance magnetron sputtering. Rietveld refinement on the SR-XRD spectra indicated CrN as the major phase, over the temperature range of 25 °C – 700 °C, for both coatings. At the high temperature of 700 °C, a Cr2N phase was observed in the CrN coating while the CrAlN coating also had a Cr phase. Williamson–Hall plots, from the refined data, afforded estimating variations of the strain and crystallite size of the major phase, up to 700 °C. The crystallite size (10 nm) for the CrAlN coating, at 25 °C, agrees very well with previous GI-XRD and TEM results obtained at room temperature Li et al. (2012).

Details

Title: Predicting high temperature mechanical properties of CrN and CrAlN coatings from in-situ synchrotron radiation X-ray diffraction
Authors/Creators: E. Mohammadpour (Author/Creator) - Murdoch University
Z-T Jiang (Author/Creator) - Murdoch University
M. Altarawneh (Author/Creator) - Murdoch University
Z. Xie (Author/Creator) - The University of Adelaide
Z.F. Zhou (Author/Creator) - City University of Hong Kong
N. Mondinos (Author/Creator) - Murdoch University
J. Kimpton (Author/Creator) - Australian Synchrotron
B.Z. Dlugogorski (Author/Creator) - Murdoch University
Publication Details: Thin Solid Films, Vol.599, pp.98-103
Publisher: Elsevier
Identifiers: 991005540239507891
Copyright: Elsevier
Murdoch Affiliation: School of Engineering and Information Technology
Language: English
Resource Type: Journal article
Note: Available online 29 December 2015

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.188 Deposition, Hardening & Coating; 5.188.318 Nitride Coatings
Web Of Science research areas: Materials Science, Coatings & Films; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter
ESI research areas: Materials Science