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An investigation of crack growth behaviour under creep-fatigue condition

Gao, N., Brown, M.W., Miller, K.J. and Reed, P.A.S. (2005) An investigation of crack growth behaviour under creep-fatigue condition Materials Science and Engineering: A, 410-411, pp. 67-71. (doi:10.1016/j.msea.2005.08.076).

Record type: Article

Abstract

An investigation has been carried out on short crack growth behaviour of AISI type 316 stainless steel under creep-fatigue conditions at 550oC for high strain ranges of 0.9-2.5% and 60 minutes hold time using a high temperature reverse bending rig. The analysis revealed the dominant failure characteristics to be the individual initiation and growth behaviour of many minor cracks in Stage I, and their subsequent coalescence in Stage II. Increasing the strain range increases the number of minor cracks and promotes the process of minor crack coalescence. Predominantly intergranular long cracks are found to form under tensile stresses and transgranular the Langdon Symposium the Langdon Symposium the Langdon Symposium the Langdon Symposium short cracks under compressive stresses.

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Published date: 2005
Additional Information: The Langdon Symposium: Flow and Forming of Crystalline Materials
Keywords: creep-fatigue, short crack, crack coalescence
Organisations: Engineering Sciences

Identifiers

Local EPrints ID: 19163
URI: http://eprints.soton.ac.uk/id/eprint/19163
ISSN: 0921-5093
PURE UUID: ddd59827-cbc9-471e-b114-f954e51bb3ba
ORCID for P.A.S. Reed: ORCID iD orcid.org/0000-0002-2258-0347

Catalogue record

Date deposited: 16 Jan 2006
Last modified: 17 Jul 2017 16:33

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Contributors

Author: N. Gao
Author: M.W. Brown
Author: K.J. Miller
Author: P.A.S. Reed ORCID iD

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