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

-----

Effect of temperature on hard anodize

Q. Do you have any ARTICLES/STUDIES on the effect of temperature on the hardness of Type III Hard Anodize Aluminum? I'm interested on Temperature ranges of 120 on through 500 F.

Bill Milla
Anodizing Shop - Huntington Beach, California, USA
2004

A. Sheasby and Pinner say, "...fine cracks may be observed at 80 - 100 C.......cracking is caused by the low coefficient of expansion of the anodic film which is approximately 0.2 times that of the metal..."

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

2004

(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: