%0 conference lecture %@ %A Schoedel, M.,Heerens, J. %D 2002 %J 34. Tagung des DVM-Arbeitskreises Bruchvorgaenge, Fortschritte der Bruch- und Schaedigungsmechanik %N %P %T Investigation of crack tip opening angle CTOA of stable growing cracks in laboratory specimens made of thin sheet Al 5083 H 321 %U %X