I was hoping that someone could please help me out with a fatigue issue.
I am designing a 6082-T6 aluminum part that will be cyclically loaded. After running FEA, it has a very high stress concentration in a small round. To avoid any fatigue failures do I need to make sure that the stress concentration is below the aluminum fatigue limit? Also, is there a general safety factor that is used with the fatigue limit to determine an allowable stress at the stress concentration area? I would like to design for at least 10 million cycles.
Thank you very much for your help, I appreciate it.