I found the following link last night after my first post. Check it out. This sounds really interesting. www.badgercryogenics.qpg.com See the link on automotive engines.
> could you be referring to the cold treatment of steel alloys (particularly > stainless alloys) where the cold (below -60 C) converts the austentitic > state into the much harder martenstitic state? > > Quenching and tempering steel at regular temps converts much of the > austentite to martensite, the cold treatment is supposed to convert more. > > This treatment is sometimes used on cutting tools and used as a sales point. > > I heard that -(warning! could be a myth!)- Swiss watchmakers used to > toughen some watch parts by leaving them on top of mountains for a few > seasons... > > Does this mean that Marshall Ruskin's (and other list members who live in > really cold places) van is tougher than the rest? :) > > > Alistair > > > > > Does anyone have any experience with cryogenic treatment of engine > >parts such as pistons, heads, valves, cylinder walls, cams, cranks, etc? > >I've heard that this process will allow parts such as these to last up to > >10 times longer than none treated similar parts. From what I've heard, its > >not terribly expensive, and many race engines are being cryo-treated. > >Sounds really interesting, just wondering if anyone out there has any > >info to share on the subject. Thanks, John 84 Westy |
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