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Texture and Mechanical Anisotropy of Ultrafine-Grained Aluminum Alloy AA6016 Produced by Accumulative Roll Bonding

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Author(s): Werner Skrotzki | Ingwar Hünsche | Juliane Hüttenrauch | C.-G. Oertel | Heinz-Günter Brokmeier | Heinz Werner Höppel | Irena Topic

Journal: Texture, Stress, and Microstructure
ISSN 1687-5397

Volume: 2008;
Date: 2008;
Original page

ABSTRACT
The texture of ultrafine-grained Al alloy AA6016 produced by accumulative roll bonding (ARB) has been measured by neutron diffraction. The starting texture consists of a strong cube component. During ARB, this texture breaks down and a texture typical for rolling of face-centered cubic metals with high stacking fault energy develops. The texture after 8 ARB cycles is characterised by the β-fiber with the Cu component dominating. Moreover, the rotated cube component is formed. This component is typical for simple shear, which takes place during rolling on the surfaces of the sheets. Based on the Taylor factor and calculated Lankford parameter, the mechanical anisotropy of the advanced metal sheets is discussed.
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