Regensburg 2019 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 12: Poster session I

MM 12.26: Poster

Montag, 1. April 2019, 19:15–20:45, Poster C

AuCuNiPdPt as a benchmark for high entropy alloys — •Jens Freudenberger^1,2, Felix Thiel^1,3, Alexander Kauffmann⁴, Martin Heilmaier⁴, and Kornelius Nielsch^1,3 — ¹IFW Dresden — ²TU Bergakademie Freiberg — ³TU Dresden — ⁴Karlsruhe Institut für Technologie

The high entropy alloy AuCuNiPdPt appears single-phase and with the Cu-type structure. Additionally, non-stoichiometric alloys made from any of these elements with arbitary composition also crystallise single-phase with the Cu-type structure. Therefore, these alloys can be used to separate the material behaviour of the HEAs cleanly from that of single phase conventional alloys and to identify which issues are special for HEAs leading to their peculiar properties. The present study presents the mechanical behaviour and a microstructure analysis of AuCuNiPdPt.