Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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New finishes for magnesium alloys -- anodizing and chromating
Q. I am currently doing research on Mg alloys in watch making. I want to know the different finishes available. The finishes need to be decorative, corrosion resistance, hypo-allergic and have reasonable mechanical properties. Any comment on the subject is appreciated.
Doris Wong- Hong Kong
1999
A. You can either anodize it or put a chrome conversion coating on a magnesium alloy. You can also paint after treating the surface with a chrome conversion coating.
S. Y. Yuen- Hong Kong, China
1999
A. There are new ceramic oxidization coatings which produce extremely high hardness and corrosion resistant surfaces on Mg. This can be polished to produce a pleasing appearance (depending on alloy) and accept paint easily as well as certain dyes.
Trevor Amos- Southampton, England, UK
1999
by Dow Chemical Co.
is sometimes available on
AbeBooks,
eBay, or
Amazon
... but if not, you can find libraries which have copies on WorldCat.org
(affil links)
A. Hi, Doris. We have a review of magnesium finishing on line here: "Finishing of Magnesium". Further, magnesium can be electroless nickel plated.
If you can possibly find it, try to get hold of the "Dow Handbook on Magnesium Finishing" . Good luck.
Regards,
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
March 6, 2009
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