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Ductile crack initiation and propagation assessed via in situ synchrotron radiation-computed laminography

Abstract : Ductile crack initiation and propagation within a naturally aged aluminium alloy sheet has been observed in situ via synchrotron radiation-computed laminography, a technique specifically adapted to three-dimensional imaging of thin objects that are laterally extended. Voids and intermetallic particles, and their subsequent evolution during ductile crack extension at different associated levels of stress triaxiality, were clearly observed within fracture coupons of a reasonable engineering length-scale, overcoming the conventional sample size limitation of computed tomography at high resolutions.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00652978
Contributor : Bibliothèque Umr7633 <>
Submitted on : Friday, December 16, 2011 - 4:50:01 PM
Last modification on : Thursday, September 24, 2020 - 6:30:06 PM

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Thilo F. Morgeneyer, L. Helfen, I. Sinclair, Henry Proudhon, F. Xu, et al.. Ductile crack initiation and propagation assessed via in situ synchrotron radiation-computed laminography. Scripta Materialia, Elsevier, 2011, 65, pp.1010-1013. ⟨10.1016/j.scriptamat.2011.09.005⟩. ⟨hal-00652978⟩

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