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150 Fracture Mechanics: Fundamentals and Applications
FIGURE 3.43 Effective thickness for deeply notched SENB specimens.
FIGURE 3.44 Fracture toughness data for a mild steel, corrected for constraint loss. Taken from Anderson,
T.L. and Dodds, R.H., Jr., ‘‘Specimen Size Requirements for Fracture Toughness Testing in the Ductile-Brittle
Transition Region.’’ Journal of Testing and Evaluation, Vol. 19, 1991, pp. 123–134; Sorem, W.A., ‘‘The Effect
of Specimen Size and Crack Depth on the Elastic-Plastic Fracture Toughness of a Low-Strength High-Strain
Hardening Steel.’’ Ph.D. Dissertation, The University of Kansas, Lawrence, KS, 1989.
