%0 conference object %@ %A Heerens, J., Schoedel, M., Schwalbe, K.-H. %D 2005 %J ICF 11, Abstract Book, 11th International Conference on Fracture %P 40 %T Experimental Determination of Critical Crack Tip Opening Angle (CTOA) using the CTOD Delta 5 Measurement Technique %U %X