%0 journal article %@ 0090-3973 %A Kim, Y.-J.,Schwalbe, K.-H. %D 2001 %J Journal of Testing and Evaluation %N 1 %P 18-30 %T On the Sensitivity of J Estimation to MaterialĀ“s Stress-Strain Curves in Fracture Toughness Testing Using the Finite Element Method %U 1 %X