Process for producing vanadium carbide layers on iron

Details Process for producing vanadium carbide layers on iron Process for producing vanadium carbide layers on iron

C - Chemistry, Metallurgy

23

C

117/117

C23C 10/24 (2006.01)

Patent

CA 1128378

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing vanadium carbide layers on workpieces of carbon-containing iron and iron alloys. Salt baths containing primarily borates as the base substance have been used at 800 to 1100°C. The melts were thus rendered very viscous and the losses on discharge were large. In accordance with the invention this is avoided with salt baths containing alkaline earth metal and/or alkali metal halides as salts in addition to 1 to 30% of vanadium or ferro- vanadium powder. Baths of barium chloride with 1 to 50% of sodium chloride are particularly suitable.

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