Re: Rust in 91 Accord
 

Grumpy AuContraire <Grumpster@GrumpyvilleNOT.com> wrote in
news:44E69826.F515090A@GrumpyvilleNOT.com:

>
>
> "TeGGeR®" wrote:
>>
>> dgk <dgk@somewhere.com> wrote in
>> news:f7qbe217crrd634osrvj943bboibl61b11@4ax.com:
>>
>> > On Fri, 18 Aug 2006 01:52:18 +0000 (UTC), "TeGGeR®"
>> > <tegger@tegger.c0m> wrote:
>> >
>> >
>> >
>> > I'm guessing here but I would think that several factors come into
>> > play, with salt being number one on the playlist and freezing being
>> > number two. Salt seems to just eat metal, and freezing water cracks
>> > open our roads. So salt and water get into tiny cracks and start
>> > the wonderful recycling process.
>>
>> Sort of. But freezing has nothing to do with it. With concrete, yes.
>> With cars, no.
>>
>
>
> Ahhhhh... But every freezing cycle causes water to expand and any
> that becomes trapped tends to slowly take metal parts apart only to
> allow more water to enter and the cycle repeats itself.



I suppose so, but the mere presence of water is enough. Water in the
pinchwelds takes ages to evaporate, so all that oxygen has all the time in
the world to munch away at your metal.

In fact, rust occurs when the water is NOT frozen.



--
TeGGeR®

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