Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
-----
Engineering hard anodizing of welded assembly
I have an assembly that is 6063 T6 tube & 5052 H32 sheet. I want to have it Engineering Hard Anodized. Will the dissimilar alloys result in colour difference or any other problems? What is the highest temp possible to give the hardest coating possible.
David Curranowner - Kingston, Ontario
April 1, 2008
Different alloys welded together and anodized, YES, will give a different shade color AND a slightly different thickness as a function of their different conductivity.
The highest temperature possible gives the most soft coating. The lower the temperature the harder. 32 F is most practical hardest. I have one client that hard coats at 20 F with an additive. Lower acid, down to 165 gm/L, promotes hardness. Higher current density (use additive) gives hardest.
Robert H Probert
Robert H Probert Technical Services
Garner, North Carolina
April 4, 2008
finishing.com is made possible by ...
this text gets replaced with bannerText
this text gets replaced with bannerText
(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
Q, A, or Comment on THIS thread -or- Start a NEW Thread