RE: Boom choices

From: Booker Bense (bbense@networking.stanford.edu-DeleteThis)
Date: Mon May 10 1999 - 17:21:10 PDT


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Date: Mon, 10 May 1999 17:21:10 -0700 (PDT)
From: Booker Bense <bbense@networking.stanford.edu-DeleteThis>
To: Multiple recipients of list <wind_talk@opus.hpl.hp.com-DeleteThis>
Subject: RE: Boom choices
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On Mon, 10 May 1999, Brad James wrote:

> >>-BTW, technically aluminum doesn't corrode, what happens is that
> metals in the seawater deposit on the surface ( aluminum is a
> cathode ? Some chemist will correct me.). This build up of
> material stresses the aluminum and causes it to crack.
>
>
> Booker-
>
> Aluminum does corrode, but it doesn't rust. Rust is what we call the red
> oxide product that happens when iron or steel corrodes. Aluminum corrosion
> (or oxide) product is white. Aluminum (like most anything else) can either
> be a cathode or an anode, depending on what type of electrochemical cell
> you've got. Corrosion only affects your stresses by reducing section
> thicknesses or by causing cracks.
>

- See, I knew there was a real chemist on list somewhere...

- Booker



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