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[MIL-A-8625F]
Anodizing
is a conversion of the aluminum surface to practically pure aluminum oxide:
the anodic coating (a true ceramic). Type II is of particular interest
to the designer wishing to extol both the virtues of form and function.
Allowing for radiant colors; full coverage; full coverage.
This anodic coating is significantly more
abrasion and corrosion resistant then the untreated metal. The coating
thickness is a approximately, .0002" penetration and .0002" build-up. This
coating may be subsequently dyed in a variety of colors, imparting a very
decorative finish both in a satin and a polished surface result.
Limitations to these virtues vary according to the alloy and fab method.
The casting alloys being the most difficult to work with.
FAQs:
Q: Can anodic coatings be stripped
off?
A: Yes. With some loss of base metal.
Critical surfaces may be masked during stripping.
Q. Can assemblies of aluminum and other
metals be anodized together.
A. Yes. In most cases the non aluminum
part will be etched significantly.
Q. Is Type II anodizing the same as
Hard Anodizing.
A. No! Hard Anodizing is Type III.
It is a significantly harder and thicker coating.
Q. Can my aluminum firearm receiver
be anodized?
A. Absolutely! Most aluminum receivers
are anodized at the factory and can be stripped and re-anodized when showing
signs of wear.
Please e-mail your specific
questions... |
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