Effect of heat treatment on the microstructure and mechanical properties of stainless steel 316L coatings produced by cold spray for biomedical applications

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DOIResolve DOI: http://doi.org/10.1007/s11666-013-0053-2
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TypeArticle
Journal titleJournal of Thermal Spray Technology
ISSN1059-9630
Volume23
Issue4
Pages641652; # of pages: 12
Subjectcold gas dynamic spray; fractography; inter-particle bonding; mechanical properties; stent
AbstractIn this study, the effects of heat treatment on the microstructure and mechanical properties of cold sprayed stainless steel 316L coatings using N2 and He as propellant gases were investigated. Powder and coating characterizations, including coating microhardness, coating porosity, and XRD phase analysis were performed. It was found that heat treatment reduced porosity, improved inter-particle bonding, and increased ductility. XRD results confirmed that no phase transformation occurred during deposition. Significant increase in UTS and ductility was observed for the annealed specimens obtained with nitrogen propellant, whereas little changes were observed for the helium propellant produced specimen.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; Automotive and Surface Transportation
Peer reviewedYes
NRC numberNRC-AST-145122
NPARC number21270900
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Record identifier5dc34176-5e53-416d-87cc-ea10b1ba1846
Record created2014-02-18
Record modified2016-05-09
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