WC\Co + NiCrBSi
05-05-2011, 12:52 PM,
#1
WC\Co + NiCrBSi
Has any body try to coat WC\Co + NiCrBSi with HVOF. After coating can we do fusing? Please Tell us an information about coating and fusing.
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05-05-2011, 01:07 PM,
#2
RE: WC\Co + NiCrBSi
Hi Metallurgy_eng

Yes and yes. Can be used as-sprayed or fused. Just make sure you get a suitable powder particle size for your process. Diamalloy 2002, Metco 34FP certainly spray well through DJ producing dense as-sprayed coatings. These coatings also fuse extremely well, better than comparable low velocity combustion spray coatings.
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05-05-2011, 02:33 PM,
#3
RE: WC\Co + NiCrBSi
We have experience in deposition such coating.In the relative frequency ultrasound on the radiator, arresting gear, etc.Depending on the requirements of fusing the coating can be or do or not.This is an additional and expensive operation.The porosity of such HVOF coatings less than 1%. Fusing increases adhesion.Such coatings are well deposited and beautifully grinding conventional grinding wheels, unlike coatings WC, where you can grind only diamond wheel.

Coating is an art, and here we must feel and experience.
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