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MM: Fachverband Metall- und Materialphysik

MM 34: Poster Session

MM 34.29: Poster

Dienstag, 1. April 2014, 18:00–20:00, P4

Microstructure, Texture and Properties of severly twinned copper wires — •Alexander Kauffmann^1,2, Jens Freudenberger^1,3, Hansjörg Klauß¹, Volker Klemm³, Wolfram Schillinger⁴, V. Subramanya Sarma⁵, and Ludwig Schultz^1,2 — ¹IFW 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.