Crack growth in a naturally corroded bridge steel

K. Ali; D. Peng; R. Jones; R. R.K. Singh; X. L. Zhao; A. J. McMillan; F. Berto

doi:10.1111/ffe.12568

Crack growth in a naturally corroded bridge steel

K. Ali, D. Peng, R. Jones, R. R.K. Singh, X. L. Zhao, A. J. McMillan, F. Berto

Research output: Journal article publication › Journal article › Academic research › peer-review

30 Citations (Scopus)

Abstract

This paper summarises the findings of an international collaborative programme that focuses on the problem of the growth of cracks that arise from natural corrosion in bridge steels. The experimental data presented in this paper confirm that the bridge steel da/dN versus ΔK relationship is similar to that seen by the high-strength aerospace steels D6ac and 4340. It is then shown that the methodology developed to predict the growth of small naturally occurring cracks in aerospace materials can also be used to compute the growth of cracks that arise because of natural corrosion in bridge steels.

Original language	English
Pages (from-to)	1117-1127
Number of pages	11
Journal	Fatigue and Fracture of Engineering Materials and Structures
Volume	40
Issue number	7
DOIs	https://doi.org/10.1111/ffe.12568
Publication status	Published - Jul 2017
Externally published	Yes

Keywords

aerospace steels
aging bridges
ASTM E647-13a
corrosion
fatigue crack growth

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

More information

10.1111/ffe.12568

Cite this

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AU - Peng, D.

AU - Jones, R.

AU - Singh, R. R.K.

AU - Zhao, X. L.

AU - McMillan, A. J.

AU - Berto, F.

PY - 2017/7

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AB - This paper summarises the findings of an international collaborative programme that focuses on the problem of the growth of cracks that arise from natural corrosion in bridge steels. The experimental data presented in this paper confirm that the bridge steel da/dN versus ΔK relationship is similar to that seen by the high-strength aerospace steels D6ac and 4340. It is then shown that the methodology developed to predict the growth of small naturally occurring cracks in aerospace materials can also be used to compute the growth of cracks that arise because of natural corrosion in bridge steels.

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KW - aging bridges

KW - ASTM E647-13a

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Crack growth in a naturally corroded bridge steel

Abstract

Keywords

ASJC Scopus subject areas

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