Validity of Toughness Measurements From Miniature Specimens Failing in Different Fracture Modes
Susan Ortner,
Marcos Sanchez,
John Echols
et al.
Abstract:Using mini-C(T) (4 mm thick, 0.16T) specimens to determine toughness in reactor pressure vessel steels permits the ductile to brittle transition temperature to be derived from small amounts of material and allows more effective use of surveillance specimens. However, questions have been raised as to whether the failure mechanisms are the same in miniature and large specimens, something that must be ensured when transferring fracture results obtained in mini-C(T) specimens to larger components. This work, perfo… Show more
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