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cond-mat.mtrl-sci2026
Negative Strain-Rate Sensitivity in Metallic Glasses Driven by Rejuvenation-Relaxation Competition: Kinetic Monte Carlo Simulations and a Minimal Effective Model
Tomoaki Niiyama, Akio Ishii, Takahiro Hatano +2
When strain-rate sensitivity (SRS) is negative in metallic glasses, the material becomes weaker as the deformation rate increases, leading to accelerated plastic deformation and, e…
cond-mat.mtrl-sci2018
Structural relaxation affecting shear transformation avalanches in metallic glasses
Tomoaki Niiyama, Masato Wakeda, Tomotsugu Shimokawa +1
Avalanche behaviors, characterized by power-law statistics and structural relaxation that induces shear localization in amorphous plasticity, play an essential role in deciding the…