%0 conference paper,conference lecture %@ %A Kocak, M.,Seifert, K.,Yao, S.,Lampe, H. %D 1990 %J Proceedings of the International Conference WELDING-90: Technology, Material, Fracture %N %P 307-318 %T Comparison of fatigue precracking methods for fracture toughness testing of weldments: local compression and step-wise high R-Ratio %U %X