Effect of laser melting on plasma sprayed WC-12wt.%Co coatings

Tungsten carbide powder with 12% Co was deposited on AISI 321 stainless steel substrate by air plasma spraying. The coating was produced at 130mm standoff distance. The coated samples were melted using a CO2 laser with an inert gas shroud. Four different laser speeds from 100mm/min to 250mm/min were...

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Veröffentlicht in:	Surface & coatings technology 2015-03, Vol.266, p.22-30
Hauptverfasser:	Afzal, M., Khan, A. Nusair, Mahmud, T. Ben, Khan, T.I., Ajmal, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air plasma spraying Austenitic stainless steels Carbon monoxide Coatings Deposition Inert Laser beam melting Laser treating Lasers Melts Micro-hardness Microstructure Sliding wear WC-12%Co coating Wear resistance
Online-Zugang:	Volltext
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