No registration or passwords; no pop-up ads -- just aloha, fun, & answers.
(as an eBay Partner & Amazon Affiliate earns from qualifying purchases).
Home /
T.O.C.
Fun
FAQs
Good
Books
Ref.
Libr.
Advertise
 
Help
Wanted
Current
Q&A's
Site 🔍
Search
pub  Where the
world gathers for metal finishing
Q&As since 1989



-----

Black Copper Oxide selective solar surface on steel, any methods?




Hello,

I am currently designing thermal solar panels with AISI 1010 Cold rolled steel sheet and/or 304 Stainless steel sheets. To apply a final black selective coating we are considering a black copper oxide CuO surface finish. We are considering electroplating the collector with copper first and then oxidizing this surface to get the final CuO coating.

I understand that there are two typical paths to achieving this. Heating copper in the presence of oxygen and submerging copper in a hot alkaline solution. The first method is not very viable because this could remove any heat treatment / cold work in the steel sheet.

Can anyone guide me to appropriate oxidizing solutions, temperatures, times ,etc? Maybe an article or book , or personal experience?

Also, would this CuO coating be resistant? Do you know of a simpler black solar selective coating for CR Steel or Stainless steel?

Thank you!

David Ruiz
- Bogotá, Colombia
August 22, 2008



"Solar Engineering of Thermal processes"

on AbeBooks

or Amazon

(affil links)

Hi David,

Solar Thermal Engineering =>
by Duffie and Beckman contains the different processes for selective solar coatings. It is best to buy the process from a supplier, however.
www.solchrome.com might be useful.

cheers
Chakrawarthy Ravuri

Srinivasa Ravuri
solar energy researcher - Secunderabad, AP, India
September 16, 2008




(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:

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


About/Contact  -  Privacy Policy  -  ©1995-2024 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"