Corrosive Resistance of HVOF WC Coatings with a Different Binder

Corrosive Resistance of HVOF WC Coatings with a Different Binder

This study aimed to understand the effect of a different binder on fundamental properties and corrosion behavior of WC based HVOF coatings. Three kinds of coatings, each with a different binder, were prepared using commercial feedstock powders, i.e. WC-12Co, WC-10Co4Cr and WC-12Ni. Micro Vickers har...

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Veröffentlicht in:Key engineering materials 2017-06, Vol.739, p.120-124
Hauptverfasser: Shu, Hung Yu, You, Zong Ling, Yao, Sun Hui, Su, Yan Liang, Lai, Yu Chen
Format: Artikel
Sprache:eng
Schlagworte:
Alloys
Corrosion effects
Corrosion resistance
Corrosion tests
Diamond pyramid hardness
Flame spraying
Protective coatings
Raw materials
Tungsten carbide
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Zusammenfassung:This study aimed to understand the effect of a different binder on fundamental properties and corrosion behavior of WC based HVOF coatings. Three kinds of coatings, each with a different binder, were prepared using commercial feedstock powders, i.e. WC-12Co, WC-10Co4Cr and WC-12Ni. Micro Vickers hardness tester, XRD and SEM were used. The corrosion performance was evaluated using a salt spray tester. It was found that the WC-10Co4Cr coating showed the highest corrosion resistance and superior hardness comparable to the WC-12Co coating.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.739.120