MICROSTRUCTURAL CHARACTERIZATION AND WEAR BEHAVIOR OF WC-COCR COATING ON AZ91 MAGNESIUM ALLOY

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F19%3APU133917" target="_blank" >RIV/00216305:26310/19:PU133917 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
MICROSTRUCTURAL CHARACTERIZATION AND WEAR BEHAVIOR OF WC-COCR COATING ON AZ91 MAGNESIUM ALLOY
Original language description
This paper includes the microstructural and wear characterization of WC-10Co4Cr coating on AZ91 magnesium alloy. Using the scanning electron microscopy and X-ray diffraction analysis it was determined that the microstructure was formed by WC particles, CoCr matrix, present Co3W3C mixed carbide, W2C, and free carbon. The presence of W2C and free carbon indicates the partial decarburization during the spraying process. The microhardness of HVOF-sprayed coating was 1480 ± 80 HV 0.05, which is approximately 20× higher when compared to AZ91 alloy. The friction coefficient values with the subsequent weight loss of the coating and magnesium substrate were determined. It has been proven that HVOF-sprayed WC-CoCr coating can protect the magnesium substrate from the wear.
Czech name
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Czech description
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Project
<a href="/en/project/LO1211" target="_blank" >LO1211: Materials Research Centre at FCH BUT- Sustainability and Development</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2019, May 22 nd - 24 th 2019, Conference Proceedings
ISBN
978-80-87294-92-5
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
922-927
Publisher name
TANGER Ltd.
Place of publication
Ostrava
Event location
Brno
Event date
May 22, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000539487400150

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