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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

S.C.Biligiri 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.

James Watts
- Navarre, Florida

adv.

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