Thanks Burkhome, i appreciate the information that you provided. There is a large amount of research in cryo processing, however much of it is compiled by competitive companies and race teams that do not want to let their secrete out. This is why it is great for me to get a hold of as much as I can.
I have tested tooling made from tool steels that last 4-5x longer after processing, but as a rule I can bet on at least 2x the life out of most of the blades and carbides I process. Many of the larger woodworking businesses can save a good deal of downtime and replacement cost by using cryo processing. And it is not as expensive as you might think, most of the blades I process cost $20 or less to treat. Thanks again for your help.
It has been 15 years since I talked to the guy. Right at this minute I can't even remember his name. If I remember right his shop was in Plymouth, IN. He was working heavily with engineering companies to document his research. He complained heavily that it took all the resources he could muster but without the formal studies, getting into formal racing was impossible. I remember him saying that cryo process on spark plugs allowed the gap to be opened way up and improving efficiency. Other than that I'm afraid I don't remember much.....I do know however that cryo works on tools.