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

Par Conseil national de recherches du Canada

DOITrouver le DOI : https://doi.org/10.1007/s11666-013-0053-2
AuteurRechercher : ; Rechercher : 1; Rechercher : ; Rechercher : 1; Rechercher :
Affiliation
  1. Conseil national de recherches du Canada. Automobile et les transports de surface
FormatTexte, Article
Sujetcold gas dynamic spray; fractography; inter-particle bonding; mechanical properties; stent
Résumé
In 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.
Date de publication
Dans
  • Journal of Thermal Spray Technology 23, nº 4 (1 avril 2014) : 641–652.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCNRC-AST-145122
Numéro NPARC21270900
Exporter la noticeExporter en format RIS
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Identificateur de l’enregistrement5dc34176-5e53-416d-87cc-ea10b1ba1846
Enregistrement créé2014-02-18
Enregistrement modifié2020-04-22
Date de modification :