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Abstract：
A new type of WC-based coating was prepared using a specially designed WC-Co2Cr3 powder. The microstructure and corrosion resistance of the present coating were examined and compared with those of the conventional WC-10Co-4Cr coating. It was found that Cr dissolved homogeneously in Co, WC and W2C phases in the WC-Co2Cr3 coating. However, in the conventional coating Cr mainly exists in Co. The potential difference between the carbides and metallic binder was significantly decreased in the WC-Co2Cr3 coating owing to Cr dissolution in carbides. The resistance against the micro-galvanic corrosion is then remarkably enhanced compared to the conventional WC-based coating.
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CORROSION SCIENCE
ISSN： 0010-938X
Year： 2019
Volume： 147
Page： 372-383
8 . 3 0 0
JCR@2022
ESI Discipline： MATERIALS SCIENCE;
ESI HC Threshold：211
JCR Journal Grade：1
Cited Count：
WoS CC Cited Count： 42
SCOPUS Cited Count： 44
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
