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Dresden 2014 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 34: Poster Session

MM 34.29: Poster

Tuesday, April 1, 2014, 18:00–20:00, P4

Microstructure, Texture and Properties of severly twinned copper wires — •Alexander Kauffmann1,2, Jens Freudenberger1,3, Hansjörg Klauß1, Volker Klemm3, Wolfram Schillinger4, V. Subramanya Sarma5, and Ludwig Schultz1,21IFW Dresden, P.O. Box 270116, 01171 Dresden, Germany — 2TU Dresden, Institute of Materials Science, 01062 Dresden, Germany — 3TU Bergakademie Freiberg, Institute of Materials Science, Gustav-Zeuner-Str. 5, 09599 Freiberg, Germany — 4Wieland-Werke AG, Graf-Arco-Stra\ss e 36, 89079 Ulm, Germany — 5Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai 600036, India

Due to the a drawing process in liquid nitrogen a drastic refinement of the microstructure of pure copper can be achieved by the activation of severe deformation twinning. In order to facilitate and enhance the refinement process an additional reduction of stacking fault energy by alloying can be applied. We are presenting the influences of severe deformation twinning on the microstructure and texture of copper and single-phase copper-aluminium alloys on the one hand and the mechanical and electrical properties on the other hand.

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