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Use of Circumferentially Cracked Bar sample for CTOD fracture toughness determination in the upper shelf regime

D. Gentile, I. Persechino, N. Bonora, G. Iannitti, A. Carlucci

In this work, the use of circumferentially cracked bar (CCB) sample to determine material fracture toughness in the upper shelf regime for carbon steels has been investigated. Since high fracture toughness materials are known to exhibit…