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topic 0350

How to plate onto tungsten carbide

A discussion started in 1996 and continuing through 2000.
Add your Q. or A. to restore it to the "Current Topics" discussions.


I would like to know how to plate on Tungsten-Carbide.

sara michaeli
sara michaeli signature 
Sara Michaeli
chemical process supplier
Tel-Aviv, Israel


Wouldn't we all, Sara . . . wouldn't we all . . .

Seriously, I hope a reader can help us!

Ted Mooney, Teds signature
Ted Mooney, P.E.
Pine Beach, New Jersey

ASM vol5
ASM Metals Handbook vol. 5

Surface Engineering

Please see letters 31968 and 425 for more discussion of electroplating onto WC. You may also wish to consult the ASM Metals Handbook, Vol. 5 as it has a chapter on activation cycles for preparing tungsten and other refractory metals for plating.


Plating of WC-Co;

A lot depends on the cobalt content and distribution in the part to be plated.

HIP, or Hot Iso Static Processing will cause the Cobalt to migrate to the surface of the parts. An almost pure FCC cobalt surface can be obtained to conventional plating by using HIP processing. This can be done for almost all grades of WC-Co.

Ion implantation can be used to impart a plating like look to WC-Co and certain materials like TIC or TAC will actually improve certain surface properties.

Gordon Smith


Is it possible to achieve similar results to Tungsten Carbide plating by using the proper welding rod, if surface finish is not an issue.

Stacey J Walker
- New Iberia, Louisiana

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