[TheForge] Chemical Questions ?

Wed Nov 13 00:24:00 2002

At 10:28 PM 11/11/02, you wrote:
>I thought about that a while back too, but the thing is it wont work in air,
>anodes sacrifice themselves in water because you have a "circuit" but in air
>it wont work.

Are you real sure Shannel? I know that the electronic corrosion 
controllers  work " dry.
It is moot in this case, but a damp environment like this with both vapor 
and spray, not to mention condensation, may well be enough to make your " 
circut.
Having lived at the beach for 20 years, I recall that 20 ga sheet steel 
would perforate in less than a year on the windward side of the house.
......Pete

>----- Original Message -----
>From: "Peter Fels and Phoebe Palmer" <[email protected]>
>To: <[email protected]>
>Sent: 12 November, 2002 3:38 PM
>Subject: Re: [TheForge] Chemical Questions ?
>
>
> > At 08:12 PM 11/11/02, you wrote:
> >
> >
> > Too cryptic; sorry.
> > The idea is to attach a mass of a " less noble" metal to the pieces you
> > want to protect.  You may want to ground the "zinc" in addition.
> > In theory, the zinc will sacrifice itself and preferentially corrode
> > first.  Salt water is  as much corrosive fun as swimming pool vapors, I'd
> > guess.
> > It is a traditional solution for protecting steel boat hulls.  On the
> > really fancy new boats, they are sometimes using pure aluminum  as a
> > sacrifice annode(?) instead .
> > There is also a way to send a small charge through the work that will
> > inhibit corrosion and it sounds like your client can afford it....
> > ......Does that make any more sense?........Pete
> > http://www.peterfels.com/
> >
> >
> > >Thanks for your idea Pete, but I don't know what that is.
> > >I'm not dealing with a saltwater environment but rather
> > >a chlorine one.
> > >dave m
> > >
> > >----- Original Message -----
> > >From: "Peter Fels and Phoebe Palmer" <[email protected]>
> > > >
> > > > Dave; I wonder if some sacrifice zincs, like used on a saltwater boat
>to
> > > > control corrosion, might not be called for?...Pete
> > > >
> > > >
> > >
> > >
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