2006 | OriginalPaper | Chapter
Estimation of Lower Bound Engineering Fracture Toughness in the Ductile to Brittle Transition Regime
Authors : R. Moskovic, R. A. Ainsworth
Published in: Fracture of Nano and Engineering Materials and Structures
Publisher: Springer Netherlands
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Ferritic steels are used for the manufacture of components that form pressure boundaries of nuclear power plant. The mechanism of fracture of ferritic steels changes with increasing temperature and reducing specimen thickness from brittle, cleavage fracture to ductile. In order to assess the structural integrity of a component, fracture toughness properties are measured in a laboratory on specimens that are smaller than the component.