Mechanical properties, microstructure and thermal stability of a nanocrystalline CoCrFeMnNi high-entropy alloy after severe plastic deformation

An equiatomic CoCrFeMnNi high-entropy alloy (HEA), produced by arc melting and drop casting, was subjected to severe plastic deformation (SPD) using high-pressure torsion. This process induced substantial grain refinement in the coarse-grained casting leading to a grain size of approximately 50nm. A...

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Veröffentlicht in:	Acta materialia 2015-09, Vol.96 (C), p.258-268
Hauptverfasser:	Schuh, B., Mendez-Martin, F., Völker, B., George, E.P., Clemens, H., Pippan, R., Hohenwarter, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	3 dimensional atom probe tomography Annealing Atomic force microscopy Compositionally complex alloys ELASTIC-MODULI GRAIN-REFINEMENT Hardness High-entropy alloys HIGH-PRESSURE TORSION MATERIALS SCIENCE Mechanical properties METALS Microstructure Nanocrystals Nanostructure NANOSTRUCTURED MATERIALS PHASE-STABILITY Phases Severe plastic deformation STRENGTH Transmission electron microscopy
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