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Effect of prestrain on fatigue crack propagation in mild steel containing non-metallic inclusions

Arora, PR and Raghavan, MR and Prasad, YVRK (1988) Effect of prestrain on fatigue crack propagation in mild steel containing non-metallic inclusions. In: Engineering Fracture Mechanics, 29 (1). 67 -79.

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Official URL: http://dx.doi.org/10.1016/0013-7944(88)90007-0

Abstract

The effect of tensile prestrain on fatigue crack propagation behaviour of commercial mild steel with significant amount of stringer inclusions has been studied. In prestrained materials the usual stable stage II crack growth region is preceded by a phase wherein a retardation in crack growth rate occurs. No such behaviour is observed in annealed material. The amount of retardation is found to increase with increase in prestrain. A mechanism for the observed retardation in crack growth rate is also presented.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier science.
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 15 Sep 2010 09:34
Last Modified: 19 Sep 2010 06:16
URI: http://eprints.iisc.ernet.in/id/eprint/32163

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