This paper considered the test specimen thickness effect on the fracture toughness of a material Jc, in the transition temperature region, for CT and 3PB specimen. Framework to correlate test specimen thickness effect on fracture toughness with T33-stress, which is the out-of-plane elastic crack tip constraint parameter, was proposed. The results seemed to indicate a possibility of improving the existing methods to correlate the fracture toughness obtained by test specimen with the toughness of actual cracks found in the structure, in use of T33–stress.
- Pressure Vessels and Piping Division
Framework to Correlate Test Specimen Thickness Effect on Fracture Toughness With
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Meshii, T, & Tanaka, T. "Framework to Correlate Test Specimen Thickness Effect on Fracture Toughness With T33-Stress." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 6: Materials and Fabrication, Parts A and B. Baltimore, Maryland, USA. July 17–21, 2011. pp. 1109-1117. ASME. https://doi.org/10.1115/PVP2011-57114
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