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Fracture toughness of steel plate from MV Kowloon Bridge

Sumpter, J.D.G. / Caudrey, A.J. / Jubb, J.E.M.

AbstractChemical analysis, tensile, Charpy, DW NDT and fracture mechanics toughness data are presented for a grade A steel plate from the Kowloon Bridge, a sister ship of Derbyshire. The plate is shown to have poor toughness under dynamic loading conditions. The results leave open the possibility that brittle fracture could have contributed to a structural failure in the Derbyshire even at the high temperature of +30°C which is reported to have existed at the time of the ship's disappearance. The results are felt to support the proposition that present classification society rules need tightening to reduce the risk of brittle fracture in ships.

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Fracture toughness of steel plate from MV Kowloon Bridge

Sumpter, J.D.G. / Caudrey, A.J. / Jubb, J.E.M.

AbstractChemical analysis, tensile, Charpy, DW NDT and fracture mechanics toughness data are presented for a grade A steel plate from the Kowloon Bridge, a sister ship of Derbyshire. The plate is shown to have poor toughness under dynamic loading conditions. The results leave open the possibility that brittle fracture could have contributed to a structural failure in the Derbyshire even at the high temperature of +30°C which is reported to have existed at the time of the ship's disappearance. The results are felt to support the proposition that present classification society rules need tightening to reduce the risk of brittle fracture in ships.

Fracture toughness of steel plate from MV Kowloon Bridge

Sumpter, J.D.G. / Caudrey, A.J. / Jubb, J.E.M.

AbstractChemical analysis, tensile, Charpy, DW NDT and fracture mechanics toughness data are presented for a grade A steel plate from the Kowloon Bridge, a sister ship of Derbyshire. The plate is shown to have poor toughness under dynamic loading conditions. The results leave open the possibility that brittle fracture could have contributed to a structural failure in the Derbyshire even at the high temperature of +30°C which is reported to have existed at the time of the ship's disappearance. The results are felt to support the proposition that present classification society rules need tightening to reduce the risk of brittle fracture in ships.

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Title:

Fracture toughness of steel plate from MV Kowloon Bridge

Contributors:

Sumpter, J.D.G. (author) / Caudrey, A.J. (author) / Jubb, J.E.M. (author)

Published in:

Marine Structures ; 6 ; 443-460

Publication date:

1993-01-01

Size:

18 pages

ISSN:

DOI:

https://doi.org/10.1016/0951-8339(93)90031-W

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

brittle fracture , Derbyshire , Kowloon Bridge , grade A steel , Charpy , DW NDT , fracture mechanics

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