Re: "Cryogenic Freezing"

["Fred Munro" <munrof@isys.ca>]

Perhaps we should be cryo treating our 1 and 2-piece 10v exhaust manifolds
:o)

Fred Munro
'91 200q  281k km

----- Original Message -----
From: Jon Archibald <JArchibald@whpacific.com>
To: <quattro@audifans.com>
Sent: Friday, September 10, 1999 4:39 PM
Subject: "Cryogenic Freezing"


> This is a real process, correctly refered to as "Cold Hardening". Indeed,
> the super-cooling of the metal does form a more neatly packed molecular
> structure, increasing "strength" on some parameters when "warmed back up".
> I've got the stress-strain charts to if anyone's interested. This process
> has many applications, particularly in concrete reinforcing bars and steel
> structural members. It increases resitance to bending and tensile
stresses,
> and in fact is used in the production of many engine components. BUT IMO
> this process would have no effect against the the things that destroy
> rotors: heat and surface friction. My analysis- Useless Gimic!
> Jon
> -87 5ksq 5spd,
> -97 B.S.C.E., UCLA Edition
>
> Jon Archibald
> Civil Design
> W&H Pacific
> 503.372.3616
> jarchibald@whpacific.com
>
>
>