4.7 Article

Residual stress, stress relief, and inhomogeneity in aluminum plate

Journal

SCRIPTA MATERIALIA
Volume 46, Issue 1, Pages 77-82

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1359-6462(01)01201-5

Keywords

cold working; mechanical properties; structural behavior; plastic anisotropy; aluminum alloy

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Through-thickness residual-stress profiles in rolled 7050-T74 aluminum plate were measured before and after stress relief by stretching (-Tx51). Measurement required adapting the crack-compliance method to measure both in-plane stress components. Unexpected features in the profiles could be explained by through-thickness yield strength variations caused by crystallographic texture. (C) 2002 Acta Materialia Inc. Published by Elsevier Science Ltd. All rights reserved.

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