Home /
T.O.C.
FAQs
 
Good
Books
Ref.
Libr.
Advertise
Here
Help
Wanted
Current
Q&A's
Search 🔍
the Site

-----

What is the difference between electrocleaning and electropolishing?

none
finishing.com is made possible by ...

this text gets replaced with bannerText
spacer gets replaced with bannerImages

Ed. note: Please!
No abstract questions.
Huh?

March 24, 2022

Q. Hello all,
What is the difference between electrocleaning and electropolishing?

RickyPina
Systems Engineer - Ann Arbor Michigan
^


March 2022

A. Hi Ricky.
Electrocleaning is an operation conducted on many different metals for the purpose of assisting in the cleaning operation, It is basically a hot, strongly alkaline, soak cleaner except that the parts are DC electrified to cause the separation of water into hydrogen & oxygen at the electrodes so that gas bubbles (hydrogen or oxygen, depending on the chosen polarity) form right at the surface to assist in the cleaning.

Electropolishing, which applies to only some metals, most notably stainless steel, is done in strong acid, and it uses DC electricity to dissolve metal to smooth the surface. When things are done properly, the asperities are high current density areas which dissolve first. All mechanically polished surfaces resemble a farmer's plowed field; the furrows, divots, and clods will get progressively smaller as the polishing media get smaller, but at sufficient magnification the same topology continues. Electropolishing does not generate that type of surface, but one which resembles ocean swells, so it is especially useful when it is important that the surface cannot release clods of metal, even very tiny ones, and that it offer no "tooth" for better cleanability.

Luck & Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
^

Q, A, or Comment on THIS thread SEARCH for Threads about ... My Topic Not Found: Start 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:

 
Jobshops
Capital
Equipment
Chemicals &
Consumables
Consult'g, Train'g
& Software


About/Contact    -    Privacy Policy    -    ©1995-2022 finishing.com, Pine Beach, New Jersey, USA