Achieving excellent ductility in a Hf–Nb–Ta–Zr refractory multi-principal-element alloy via electron-beam directional-solidification

Puntos clave

• Ductility significantly improves in the Hf-Nb-Ta-Zr alloy when processed via electron-beam solidification, providing favorable mechanical properties.
• A noteworthy increase in ductility was observed, measuring an increase of nearly 40%, confirming the effectiveness of the method employed.
• Experimental evaluation through directional solidification showcases the potential of this alloy in high-temperature applications, given its increased resistance to deformation.
• Highlights the need for further exploration into the practical applications of multi-principal-element alloys in various engineering fields.