Residual stress and thermo-mechanical properties of cold spray metal coatings

Luzin, V., Spencer, K. and Zhang, M.-X. (2011) Residual stress and thermo-mechanical properties of cold spray metal coatings. Acta Materialia, 59 3: 1259-1270. doi:10.1016/j.actamat.2010.10.058

Author Luzin, V.
Spencer, K.
Zhang, M.-X.
Title Residual stress and thermo-mechanical properties of cold spray metal coatings
Journal name Acta Materialia   Check publisher's open access policy
ISSN 1359-6454
Publication date 2011-02-03
Sub-type Article (original research)
DOI 10.1016/j.actamat.2010.10.058
Open Access Status Not yet assessed
Volume 59
Issue 3
Start page 1259
End page 1270
Total pages 12
Place of publication Pergamon
Publisher Oxford, United Kingdom
Language eng
Abstract The residual stress profiles in Cu and Al coatings cold sprayed using kinetic metallization have been studied using neutron diffraction. To interpret results and to describe them quantitatively, the measured profiles were fit to Tsui and Clyne’s progressive coating deposition model, which demonstrated that the residual stresses are largely due to kinetic and not thermal effects. The residual stress state of the coatings was found to depend mainly on the deformation behaviour and properties of the coating material, and the kinetic parameters of the cold spray process. Young’s modulus and impact strain were measured and used along with published material data for Cu and Al to approximate the residual stresses, using a model developed for shot peening. The properties of the Cu coatings such as Young’s modulus and porosity were found to be closer to their bulk values than in the case of the Al coatings, and this was related to the amount of particle deformation on impact.
Keyword Cold spray
Residual stress
Neutron diffraction
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2012 Collection
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Citation counts: TR Web of Science Citation Count  Cited 65 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 81 times in Scopus Article | Citations
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Created: Wed, 29 Feb 2012, 00:31:17 EST by Associate Professor Mingxing Zhang on behalf of School of Mechanical and Mining Engineering