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The effective through crack fracture toughness of structural components of older inhomogeneous steels
Older, ordinary structural steel sections are often inhomogeneous in their microstructure, having a low-thoughness 'core' material and a higher toughness surface material. The overall behaviour of such structural components has been found to be more ductile than predicted by 'weakest-link' arguments. This behaviour is analysed by extending the theory of the globally elastic fracture of layered sandwich materials to accomodate non-linear behaviour and mixed toughness. The extended theory has been applied to the behaviour of full scale beams typical for bridges.
The effective through crack fracture toughness of structural components of older inhomogeneous steels
Older, ordinary structural steel sections are often inhomogeneous in their microstructure, having a low-thoughness 'core' material and a higher toughness surface material. The overall behaviour of such structural components has been found to be more ductile than predicted by 'weakest-link' arguments. This behaviour is analysed by extending the theory of the globally elastic fracture of layered sandwich materials to accomodate non-linear behaviour and mixed toughness. The extended theory has been applied to the behaviour of full scale beams typical for bridges.
The effective through crack fracture toughness of structural components of older inhomogeneous steels
Die effective rißübergehende Bruchzähigkeit von aufbauenden Komponenten älterer inhomogener Stähle
Eriksson, K. (author) / Atkins, A.G. (author)
1995
8 Seiten, 2 Bilder, 3 Tabellen, 7 Quellen
Conference paper
English
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