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

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

-----

THERMAL CONDUCTIVITY OF ANODIZE?

WHAT IS THE THERMAL CONDUCTIVITY OF ALUMINUM OXIDE(ANODIZE). ANY HELP WOULD BE APPRECIATIVE. THANKS.

BOB CHANAPAN
- TUCSON, Arizona
1999

T.R. Ogden wrote several papers on the thermal conductivity of anodic oxide coatings on aluminum, based on work he did at the Naval Ocean Systems Center in San Diego in ~1986. One was published in Materials Letters, Volume 5, number 3, Feb. 1987. He reported typical values for hard anodizing of 0.5 to 1 W/mK (compared to 30 W/mK for bulk polycrystalline alumina). The huge difference appears to be due to the fact that anodizing is amorphous, porous, and "contaminated" with sulphate.

Joe Carroll
- Chula Vista, California
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: