Home Forums General Discussion Shot Peening Process, Intensity, Coverage use of media on aluminum and steel

Is there a reason to "not" peen aluminum parts with the smae media as used on steel parts? I would like a correlation or cause/effect analysis if it should not be done.

I've never heard of this being required by anyone or any company. I can't see any reason for it.

I am investigating shot peening on aluminium for Airbus and I always used S110 or S230 and had no problems.

Sincerely

Dr. Chris A Rodopoulos
[email protected]

I have a similar question regarding normal practise for shot peeners when parts of different material are peened. (For example aluminium then titanium)?
Is is normal practise to have a peening machine dedicated to peening materials of a particular group so as to avoid cross contamination?
Or do some people change shot loads when material group changes?
Is there any documented evidence to demonstrate either the effects of cross contamination or that it is insignificant?