Canadian NASCAR: Driver, Gary Klutt. Non-treated Rotors last on average 125 laps and develop stress cracks and are unsafe. Treated Rotors increase to 425 laps and still look like new.
"Thermal cycling has the potential to decrease operating room costs and thermal necrosis associated with dull cutting tools. Application of this technology may also be relevant to surgical cutting tools such as saw blades, burrs, and reamers. Orthopeadic Research Society, Published Wiley Periodicals, Inc. "
Thermal cycling for firearms relieves stress, strengthens and improves performance, and extends the life of barrels, bolts, extractors, firing pins, and other critical parts.