Gordon England Surface Engineering Forum

Re: HVOF WC/Co12 coating on Cast Iron

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Posted by Steve Luterek (24.75.37.50) on 18:51:22 07/09/05

In Reply to:HVOF WC/Co12 coating on Cast Iron posted by Wili

: Need we a bond coat before WC/Co 12 coating on Cast Iron Substrate /lamellar graphite/?

You should not need a bond coat, but cleanliness of the substrate is critical. Dirty or oil contaminated casting must be baked and vapor degreased to eliminate any contamination in the pourous casting.

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