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Methodologies for predicting J-integrals under large plastic deformation-II. Single edge notch specimens in pure bending

Record type: Article

The paper continues the theme of Part I and presents a J-based estimation scheme for the single edge notch specimens in bending (SENB) geometry. Finite element calculations were carried out to analyse geometries with shallow cracks (0.02<a/W<0.1) and the full range of the work hardening exponent n = 1 to ?. Based on the relationship between the deformation patterns and the J-strain curves, the scheme was formulated in three parts (Linear Elastic, Elastic-Plastic and Fully Plastic) and an estimation equation was derived for each. The scheme has been shown to provide very accurate predictions of the J-strain relationships for the medium to low work hardening cases of 5<n<30. The accuracy of prediction is within 5%. For the high work hardening cases, the scheme for tension loading presented in Part I can be used to provide conservative estimates.

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Citation

Lau, C.L., Lee, M.M.K. and Luxmoore, A.R. (1994) Methodologies for predicting J-integrals under large plastic deformation-II. Single edge notch specimens in pure bending Engineering Fracture Mechanics, 49, (3), pp. 355-369. (doi:10.1016/0013-7944(94)90264-X).

More information

Published date: October 1994

Identifiers

Local EPrints ID: 75356
URI: http://eprints.soton.ac.uk/id/eprint/75356
ISSN: 0013-7944
PURE UUID: 5a10c7dc-2940-4228-b943-5fc6f46efd39

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:43

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Contributors

Author: C.L. Lau
Author: M.M.K. Lee
Author: A.R. Luxmoore

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