Dresden 2009 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 35: Poster Session II

MM 35.15: Poster

Wednesday, March 25, 2009, 16:30–18:30, P4

Investigation of the liquid-liquid miscibility gap in the Cu-Co-Zr-system — •Björn Schwarz, Norbert Mattern, and Jürgen Eckert — Leibniz Institute for Solid State and Materials Research, Dresden, Germany

For a variety of compositions Cu-Co-Zr prealloys were rapidly quenched by splat-quenching and melt-spinning technique. Concerning the chemical homogeneity, phase constitution as well as amorphicity, that are all essentially influenced by a liquid-liquid miscibilty gap found for this system, the samples were investigated by DSC, SEM, HAADF STEM/HRTEM and XRD. Especially those samples partially exhibitng the (Co/Cu)Zr-phase (B2) with martensitic transformation at low temperature show interesting physical properties that were characterized by measurements of the magnetization and electric conductivity.