Turning Archive 2007

Subject:
Cryogenic hardening *LINK*

John Lucas
>I just posted this on the message side by mistake. I find Cryogenic hardening interesting but haven't bought any of the tools. I have friends who are knife makers and think it makes the tools tougher. Not harder but tougher. I also have a friend who is an ex NASCAR mechanic and said they cryogenically harden the axles and find that they hold up better. I thought you might find this article interesting. It's from an engineering firm

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