coating seperation after welding
12-08-2016, 07:41 AM,
#1
coating seperation after welding
Hi all
doe any one have experience in welding HVOF coated turbine parts.
we are facing coating separation after welding.
please find attached a photo of the same.
The part is coated with stellite 6 HVOF.
your inputs will be highly appreciated


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12-17-2016, 11:08 PM,
#2
RE: coating seperation after welding
Hi raviswanadha
there is some bond strenght problem, you do not specified the coating technology do you used, spray an fused, or directly Stellite 6 without bond coating, and sand blast was done correctly?
Best regards
Luigi
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