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MM: Fachverband Metall- und Materialphysik

MM 18: Mechanical Properties I

MM 18.1: Talk

Tuesday, March 15, 2011, 14:00–14:15, IFW B

Mechanical properties and plastic anisotropy of aluminium laminates produced by accumulative roll bonding (ARB) — •Paul Chekhonin¹, Benoit Beausir¹, Juliane Scharnweber¹, Carl-Georg Oertel¹, Werner Skrotzki¹, Heinz Werner Höppel², and Jörn Jaschinski³ — ¹Institut für Strukturphysik, Technische Universität Dresden — ²Lehrstuhl Allgemeine Werkstoffwissenschaften, Universität Erlangen-Nürnberg — ³Institut für Leichtbau und Kunststofftechnik, Technische Universität Dresden

Aluminium sheets with layers of different purity (99.999 and 99.5) have been produced by ARB. The tensile strength and Lankford parameter as a function of the number of ARB cycles are measured by tensile testing. ARB increases the tensile strength significantly. The planar anisotropy decreases with the number of ARB cycles while the normal anisotropy reaches a plateau after 2 cycles. The results will be compared with those of ARB aluminium with a purity of 99.5.