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Chrome misplate




Q. Is it possible for less than specify bright nickel thickness on parts to cause chrome misplate? (for example nickel spec. is 25 µm , actual nickel thickness 18 µm .)

popat patel
Popatbhai B. Patel
electroplating consultant - Roseville, Michigan
2002


"Nickel and Chromium Plating"
by Dennis & Such
ni_cr_plating_dennis%26such
on eBay or Amazon
or AbeBooks

(affil link)
"INCO Guide to Nickel Plating"
by International Nickel Ltd.

or Amazon

(affil link)
simultaneous replies

A. No, I don't think that's the problem. Plate a Hull Cell ⇦ huh? panel with 18 microns (or less) of nickel, then plate it with your chromium solution and tell us what happened.

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.


A. The lesser thickness is not the problem. Look for something else..!

Khozem Vahaanwala
Khozem Vahaanwala
Saify Ind
supporting advertiser
Bengaluru, Karnataka, India
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A. I would look at improper activation or excessive brightener.

James Watts
- Navarre, Florida


A. Popat,

Adding to previous responses, the same reason that caused the thin nickel could be causing the chrome misplate as chrome has less throwing power. So, I would look for anode placement, part geometry, time in bath, voltages, etc. By the way, you didn't mention the substrate.

Guillermo Marrufo
Monterrey, NL, Mexico




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