Article ID Journal Published Year Pages File Type
1548219 Progress in Natural Science: Materials International 2014 4 Pages PDF
Abstract

In the present work, an Al–0.66Mg–0.85Si–0.2Cu alloy with Zn addition was investigated by electron back scattering diffraction (EBSD), high resolution electron microscopy (HREM), tensile and Erichsen tests. The mechanical properties of the alloy after pre-aging met the standards of sheet forming. After paint baking, the yield strength of the alloy was improved apparently. GP(II) zones and ηʹ phases were formed during aging process due to Zn addition. With the precipitation of GP zones, β″ phases, GP(II) zones and ηʹ phases, the alloys displayed excellent mechanical properties.

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Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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