Re: Aluminum Stairs[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: Mark.A.Jones(--nospam--at)jacobs.com, seaint(--nospam--at)seaint.org
- Subject: Re: Aluminum Stairs
- From: GSKWY(--nospam--at)aol.com
- Date: Wed, 8 Aug 2001 12:36:21 EDT
addressed is when you have aluminum in contact with steel in concrete. This
sets up a very strong galvanic circuit. Aluminum is much more active than
iron, its standard potential is about four times as high, and will thus
corrode very quickly.
In a message dated 8/8/01 12:22:07 PM Eastern Daylight Time,
Oh yes. Do not let aluminum touch concrete. It's more than a dielectric
concern. There will actually be an exothermic (mild) chemical reaction.
The original source for the reaction can be found in:
Monfore, G. E. and Ost, Borje, "Corrosion of Aluminum Conduit in
Concrete," Engineering News-Record, V. 172, No. 26, June 25, 1964, 6 pp.
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