Anodising?

Yer i have heard of that too but no i do what it means.

--
Unisykolist

Sticky Tape fixes EVERYTHING 😄
Street & Trials }-360-unispin-'O,
Nimbus Trials 20" ISIS
BLUE CAP
------------------------------------------------------------------------
Unisykolist's Profile: http://www.unicyclist.com/profile/16930
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

Chrome cannot be anodisied. Anodising is when the natural oxide layer
that forms on aluminium is thickend and coloured by an electro-chemical
process. Aluminium is the only commonly found metal reactive enough to
form the oxide layer necessary for anodising.

--
kington99

Dave

- what a thoroughly post-modern subversion of the cycling genre -
------------------------------------------------------------------------
kington99's Profile: http://www.unicyclist.com/profile/9417
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

Someone with more knowledge than i will pipe up soon but i looked into
doing it a while ago. quite a complicated process to undertake in the
backyard especially for something as large as a unicycle frame. i
believe it doesnt work on chrome either, just aluminium. If you dont
know any local business that are doing it maybe i suggest just powder
coating.

anodising involves submerging the thing you want to anodise into a tub
of certain chemicals and passing an electric current through it,
depending on the chemicals you will recieve a different colour. Damn
you chemistry techear(and spelling teacher) that didn't believe in me!!
🙁

--
tobbogonist

Set your phasers on Funky
------------------------------------------------------------------------
tobbogonist's Profile: http://www.unicyclist.com/profile/12176
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

ah forgot to mention, yes you can do it at home with the appropriate
kit, but it will costs many times that of getting it done
professionally, and some of the chemicals aren't nice to handle. My
school used to get stuff thrown in with big batches or parts for free,
which is great if you're not too picky about colour. If you can wait
until they're doing a batch of the colour you want, or are happy to
take whatrever colour they're doing at that point will reduce cost.

ut of course this is all largely irrelevanty as you can't do it on your
frame.

--
kington99

Dave

- what a thoroughly post-modern subversion of the cycling genre -
------------------------------------------------------------------------
kington99's Profile: http://www.unicyclist.com/profile/9417
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

http://en.wikipedia.org/wiki/Anodising

--
Kyle_Destroyer

Shattered leg, can't even put weight on it for months, living
vicariously through forums.
------------------------------------------------------------------------
Kyle_Destroyer's Profile: http://www.unicyclist.com/profile/16298
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

Quoted message said:

[edit] Chromic acid anodizing
The oldest anodizing process uses chromic acid. It is widely known as
Type I because it is so designated by the MIL-A-8625 standard, but it
is also covered by AMS 2470 and MIL-A-8625 Type IB. Chromic acid
produces thinner, 0.5 μm to 18 μm (0.00002" to 0.0007"😉[7]
more opaque films that are softer, ductile, and to a degree
self-healing. They are harder to dye and may be applied as a
pretreatment before painting. The method of film formation is different
from using sulfuric acid in that the voltage is ramped up through the
process cycle.

Is this a different type of anodising that can be done on chrome? I
know the standard type can only be done to aluminium but I'm wondering
about chrome.

--
SkierAlex
------------------------------------------------------------------------
SkierAlex's Profile: http://www.unicyclist.com/profile/16317
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

SkierAlex said:

Is this a different type of anodising that can be done on chrome? I know
the standard type can only be done to aluminium but I'm wondering about
chrome.

No you cannot anodise chrome. As Dave has already said, anodising is
speeding up the oxidisation on the surface of aluminium to form a
protective layer. Have you ever seen a piece of aluminium that has been
left outside in the weather? There is a white powdery coating on the
surface, if you left a piece of steel outside, it would start to rust.
The chrome is a layer to protect the steel that your frame will be made
out of.

You can anodise at home, it is a relatively simple process, but getting
hold of the chemicals in the quantities that you would need to do a
frame might be expensive.
Hmmmm, I have an aluminium frame that I want to re-paint. 🙄

Edd

--
Eddbmxdude

"I guess it's just a good thing you didn't include the footage of us
snorting cocaine from the thighs of prostitutes eh Edd." - Boogie

If you're not living on the edge, you're taking up too much room!

"Unicycling only makes you look like a freak when you're riding." -
Unisteve
------------------------------------------------------------------------
Eddbmxdude's Profile: http://www.unicyclist.com/profile/11584
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

OK thanks. If I rubbed the chrome on my frame with fine sand paper would
it take some of the shine off and make it look more rough?

--
SkierAlex
------------------------------------------------------------------------
SkierAlex's Profile: http://www.unicyclist.com/profile/16317
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com

SkierAlex said:

OK thanks. If I rubbed the chrome on my frame with fine sand paper would
it take some of the shine off and make it look more rough?

Yes, but then it would rust. You could lacquer it, but you would be
just as well to get the chrome shotblasted off completely and getting
the frame powdercoated, which is much tougher than anodising anyway.

--
Eddbmxdude

"I guess it's just a good thing you didn't include the footage of us
snorting cocaine from the thighs of prostitutes eh Edd." - Boogie

If you're not living on the edge, you're taking up too much room!

"Unicycling only makes you look like a freak when you're riding." -
Unisteve
------------------------------------------------------------------------
Eddbmxdude's Profile: http://www.unicyclist.com/profile/11584
View this thread: http://www.unicyclist.com/thread/69094

Posted Via Usenet.com Premium Usenet Newsgroup Services
----------------------------------------------------------
** SPEED ** RETENTION ** COMPLETION ** ANONYMITY **
----------------------------------------------------------
http://www.usenet.com