The University of Southampton
University of Southampton Institutional Repository

Experimental and numerical analysis of toughness anisotropy in AA2139 Al-alloy sheet

Morgeneyer, T.F., Besson, J., Proudhon, H., Starink, M.J. and Sinclair, I. (2009) Experimental and numerical analysis of toughness anisotropy in AA2139 Al-alloy sheet Acta Materialia, 57, pp. 3902-3915. (doi:10.1016/j.actamat.2009.04.046).

Record type: Article


Toughness anisotropy of AA2139 (Al–Cu–Mg) in T351 and T8 conditions has been studied via mechanical testing of smooth and notched specimens of different geometries, loaded in the rolling direction (L) or in the transverse direction (T). Fracture mechanisms were investigated via scanning electron microscopy and synchrotron radiation computed tomography. Contributions to failure anisotropy are identified as: (i) anisotropic initial void shape and growth; (ii) plastic behaviour including isotropic/kinematic hardening and plastic anisotropy; and (iii) nucleation at a second population of second-phase particles leading to coalescence via narrow crack regions. A model based in part on the Gurson–Tvergaard–Needleman approach is constructed to describe and predict deformation behaviour, crack propagation and, in particular, toughness anisotropy. Model parameters are fitted using microstructural data and data on deformation and crack propagation for a range of small test samples. Its transferability has been shown by simulating tests of large M(T) samples.

PDF Morgeneyer et al 2009 Acta Mater.pdf - Version of Record
Restricted to Registered users only
Download (1MB)

More information

Published date: August 2009
Additional Information: Acknowledgements The authors would like to acknowledge Alcan CRV for financial support and material supply, and Frédéric Bron and Bernard Bès for technical discussion.
Keywords: toughness anisotropy, aluminium, synchrotron radiation computed tomography, gurson model, kinematic hardening, 2139, Al-Cu-Mg, Al-Cu-Mg-Ag, void, crack growth, toughness, grain boundary, coalescence, kahn test, tear test, aerospace alloy, creep froming, age forming, wing, fuselage, damage tolerance
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 67130
ISSN: 1359-6454
PURE UUID: 672ee02f-fa0a-42c8-b2b0-310359c47359

Catalogue record

Date deposited: 05 Aug 2009
Last modified: 19 Jul 2017 00:20

Export record



Author: T.F. Morgeneyer
Author: J. Besson
Author: H. Proudhon
Author: M.J. Starink
Author: I. Sinclair

University divisions

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton:

ePrints Soton supports OAI 2.0 with a base URL of

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.