Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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PVD zinc plating process for fasteners?
2005
Hi,
I would like to know more about PVD plating process, which can be used for hydrogen embrittlement free Zinc coating for high strength steel fasteners.
Thank you,
Vasu
- Bangalore, Karnataka State, India
2005
Costs too much to be competitive and is higher technology. Look into mechanical zinc plating.
If you use acid cleaners, you will still have an embrittlement issue.
We plated cadmium for years without a notch bar failure using very high strength notch bars. We blast cleaned, used a periodic reverse cleaner, rinsed, 15 seconds in the acid, rinsed,and plated. Bake was immediately after parts were dried. Cad is considered worse than zinc by most people for embrittlement.
- Navarre, Florida
adv.
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