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Updated: May 24, 2025

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
Published on: October 5, 2013
Nonequilibrium phase diagram for the serration statistics during slow deformation of refractory high-entropy alloys
Ming-Wei Liu1, Wei-Chen Hsu2,3, Tzu-Yang Chiang2,3
1Department of Physics and Anthony J. Leggett Institute for Condensed Matter Theory, University of Illinois at Urbana Champaign, 1110 W Green Street, Urbana, IL, 61801, USA.
Abstract:
Diverse slip behaviors are observed in HfNbTaTiZr refractory high-entropy alloy during tensile tests. Slow-avalanche and fast-runaway phases are identified by analyzing scaling relationships among slip statistics. Slow avalanches display a scaling collapse in temporal shapes, aligning with mean-field slip theory, while system-spanning fast-runaway avalanches show a Gaussian shape, indicating rapid nucleation due to dynamic weakening. Through time scale analysis, we construct a nonequilibrium phase diagram elucidating the influence of temperature and strain rate variations on solute-dislocation interaction.
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