New ternary equi-atomic refractory medium-entropy alloys with tensile ductility: Hafnium versus titanium into NbTa-based solution

We demonstrate that based on NbTa as the base solution, ternary equiatomic HfNbTa and TiNbTa single-phase body-centered-cubic (BCC) solid solutions are achieved at arc-melted alloy ingots. These add interesting new members into the group of ternary refractory medium-entropy alloys (RMEAs), previousl...

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Veröffentlicht in:	Intermetallics 2019-04, Vol.107, p.15-23
Hauptverfasser:	Wang, Shao-Ping, Ma, Evan, Xu, Jian
Format:	Artikel
Sprache:	eng
Schlagworte:	Alloys BCC structure Ductility Electric arc melting Medium entropy alloys Refractory materials Refractory metals Solid solution hardening Solid solutions Solution strengthening Tensile properties Tensile strain Titanium
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