No cost, no registration, no passwords -- just aloha, fun & authoritative answers
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Pulse Plating and hydrogen Embrittlement

Hydrogen Embrittlement (HE) is always a problem in electroplating baths coupled with hydrogen evolution. Does anybody have experience on HE using pulse plating? Compared to DC plating, does pulse plating reduce or increase HE ?

Thanks.

Dave Gche
- COSTK
1999

I plate stainless steel utensils with 450 microns copper. To get the advantage of fine grain and superior metal distribution, I built pulse current power supplies and the plating did come out good.

As the stainless steel quality deteriorated, I had lots of complaints about the utensils cracking.

I changed over to Periodic reverse plating and the complaints vanished. So there is a strong reason to believe that pulse plating causes more hydrogen to diffuse into the substrate.

Yashawant deval
electroplating shop - Pune, Maharashtra, India
1999

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully 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 might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: