Precipitation strengthening in aluminum-zirconium-vanadium alloys

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 2017 English Publisher:Elsevier BVJournal:Journal of Alloys and Compounds, volume 725, pages 171-180 (issn: 0925-8388,

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Authors: Yangyang Fan; Makhlouf M. Makhlouf;

doi: 10.1016/j.jallcom.2017.07.144

Precipitation strengthening in aluminum-zirconium-vanadium alloys

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Abstract

Abstract Atom probe tomography (APT) and high resolution transmission electron microscopy (HRTEM) were used to study the co-precipitation and coarsening mechanisms of Al 3 (Zr 1 -x ,V x ) precipitates formed in Al-Zr-V alloys. The strengthening mechanism that is operative in properly aged Al-Zr-V alloys are determined, and the antiphase boundary (APB) energy between the α-Al matrix and the Al 3 Zr precipitates and between the α-Al matrix and the Al 3 (Zr 1 -x ,V x ) precipitates is indirectly determined.

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Worcester Polytechnic Institute
United States

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