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Plating peeling on phosphor bronze springs

I am applying nickel via rack plating in a watts nickel bath to phosphor bronze springs. When the part is bent the plating peels off. I'm guessing it's an activation problem. Does anyone know of a good activation procedure for phosphor bronze?

Billy Middleton
Plating shop owner - Augusta, GA, USA
January 7, 2009

Strike first in ACID copper sulphate [on eBay or Amazon]plating solution, then nickel plate.

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

January 9, 2009

FIRST ACTIVATE WITH 5%FLUOBORIC ACID AND AFTER COPPER STRIKE PREFERABLE WITH CYANIDE COPPER BATH

Ricardo Burstein
Bnei Berak, Israel
January 13, 2009

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