4.7 Article

Effect of Zr addition on the aging behavior of A319 aluminum cast alloy

Journal

SCRIPTA MATERIALIA
Volume 52, Issue 4, Pages 253-257

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2004.10.025

Keywords

aging; precipitation hardening; aluminum alloy; solutionization

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The structure, age hardening response, precipitate type and hardness of A319 cast aluminum alloy without and with zirconium addition were investigated. The as-solutionized and artificially-aged hardness values were higher for the Zr-containing alloy. This is believed to be a consequence of the precipitation of Al(3)Zr particles produced during sufficiently long solutionizing treatments. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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