Gradient-cell-structured High-entropy Alloy with Exceptional Strength and Ductility
In past decades, the emerging multi-principal-element high-entropy alloys (HEAs) with a near-infinite multicomponent phase space have received the growing attention of the materials community due to their unprecedented mechanical properties, such as good ductility, and exceptional damage tolerance at low temperature. However, most multicomponent HEAs lose ductility with increasing strength, owing to the similar full dislocation mediated plastic deformation in conventional materials. Still, the extraordinary low-hanging fruits that the HEA field may offer, such as novel deformation mechanism, as expected, are not seen yet.
