4.7 Article

On the anisotropy of the Portevin-Le Chatelier plastic instabilities in Al-Li-Cu-Zr alloy

Journal

SCRIPTA MATERIALIA
Volume 45, Issue 7, Pages 801-806

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(01)01099-5

Keywords

Al-Li-Cu-Zr alloys; Portevin-Le Chatelier effects; texture; plastic anisotropy

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The anisotropy of the Portevin-Le Chatelier effect in the Al-Li-Cu-Zr alloy is reported. A new method for the quantification of the observed differences is proposed. The differences in intensity of serration are discussed in terms of the anisotropy of the microstructure of the material. (C) 2001 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

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