Serious Education & the most FUN
you can have in metal finishing
No popups, spam, registration or passwords
on this site FORUM
Peel Off Problem from Bright Cobalt Plating
A Bright Cobalt is plated on copper using a cobalt chloride bath. However, the plating is peel off after salty test or ammonia test. Is it because of the high internal stress? If yes, any additive can be used to reduce the internal stress.
Hong Kong, China
That could be. Yes, there are many additives that will reduce stress in cobalt plating. In nickel plating, high chloride has been associated with higher tensile stress of the deposit.
Falls Township, Pennsylvania
If you have a question in mind which seems off topic, please Search the Site
Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.
If you need a product/service, please check these Directories:
JobshopsCapital Equip. & Install'nChemicals & Consumables
Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices
How Google uses data when you visit this site.