Quote:
Originally Posted by mxexux
^^ Its called WPC and it is something completely different than cryo-treating. WPC is similar to shot-peening. Check out motoiq for more info.
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both are a surface hardening treatment, shot peening (as a method of work hardening) has been around for hundreds of years in one form or another,
the cryo treating is relatively new however the theory behind it is certainly interesting,
I briefly ran this past my materials lecturer at university (a metallurgist with numerous phd's) and he said, at least on the face of it, seemed legitimate.
From what i've read on the subject it is more of a "belt and braces" situation than a magic wand so to speak (like most hardening processes).