%0 conference lecture %@ %A Weidner, A.,Amberger, D.,Pyczak, F.,Schoenbauer, B.,Stanzl-Tschegg, S.,Mughrabi, H. %D 2008 %J 17th European Conference on Fracture, ECF 17 %N %P %T Fatigue damage in copper polycrystals subjected to ultrahigh-cycle fatigue below the PSB threshold %U %X