Bending behavior of HVOF produced WC-17Co coating: Investigated by acoustic emission

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DOIResolve DOI: http://doi.org/10.1361/10599630419328
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TypeArticle
Journal titleJournal of Thermal Spray Technology
Volume13
Issue3
Pages405414; # of pages: 10
Subjectacoustic emission; cermet coatings; four-point bending test; HVOF; thermal spray; WC-Co
AbstractA four-point bend test using acoustic emission (AE) was used to compare coating properties under mechanical solicitation, mainly the toughness and spalling behavior. Coatings are made from the same material; Sulzer-Metco (Westbury, NY) 2005NS (WC-17Co) sprayed with an HVOF gun with different spray parameters. Coatings deposited on thin rectangular substrates were first bent in tension then in compression. AE features like the event number, energy per event, and cumulative energy were used to assess the damages in the coatings. The results are analyzed in relation to the coating microstructure.
Publication date
PublisherSpringer
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NRC number46083
NPARC number18984880
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Record identifier1a1f836c-8fa0-4b19-80f4-57a828384e4e
Record created2011-11-26
Record modified2016-05-09
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