Přístupnostní navigace
E-application
Search Search Close
Publication detail
BUCHTÍK, M. WASSERBAUER, J. VYKLICKÝ, O. FILIPENSKÝ, J. PTÁČEK, P.
Original Title
MICROSTRUCTURAL CHARACTERIZATION AND WEAR BEHAVIOR OF WC-COCR COATING ON AZ91 MAGNESIUM ALLOY
Type
conference paper
Language
English
Original Abstract
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.
Keywords
WC-CoCr, HVOF, AZ91 alloy, microstructure, wear
Authors
BUCHTÍK, M.; WASSERBAUER, J.; VYKLICKÝ, O.; FILIPENSKÝ, J.; PTÁČEK, P.
Released
22. 5. 2019
Publisher
TANGER Ltd.
Location
Ostrava
ISBN
978-80-87294-92-5
Book
METAL 2019, May 22 nd - 24 th 2019, Conference Proceedings
Edition
1 st Edition, 2019
Pages from
922
Pages to
927
Pages count
6
BibTex
@inproceedings{BUT159652, author="Martin {Buchtík} and Jaromír {Wasserbauer} and Ondřej {Vyklický} and Jan {Filipenský} and Petr {Ptáček}", title="MICROSTRUCTURAL CHARACTERIZATION AND WEAR BEHAVIOR OF WC-COCR COATING ON AZ91 MAGNESIUM ALLOY", booktitle="METAL 2019, May 22 nd - 24 th 2019, Conference Proceedings", year="2019", series="1 st Edition, 2019", pages="922--927", publisher="TANGER Ltd.", address="Ostrava", isbn="978-80-87294-92-5" }