Quote:
Originally Posted by GTR34
Don't media blast them! If you care about your wheels, this is not a good thing to do. The particles impacting the aluminum will flatten the surface layer of the molecular structure of the aluminum, making it more prone to cracking. It will only make the wheels more vulnerable to cracking. Just use aircraft stripper and elbow grease. Plus it's something that you can do manually and be proud of!
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I always thought media blasting helped with crack suppression, sort of like shot peening. It puts the surface in molecular compression, which suppresses crack formation and propagation (since crack growth starts at stress concentrations). I may be wrong