Showing cond-mat.mtrl-sciShow all
3 papers · 1 filter
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-sci2026
Dislocation-ledge coupling governs semicoherent precipitate growth
Jin-Yu Zhang, Juan Du, Lin Yang +3
Many crystalline materials acquire their properties as one crystal phase grows through another, but a long-standing defect-kinetic puzzle remains: how dense interfacial dislocation…
cond-mat.mtrl-sci2025
Dual Role of Nb in Defect-Mediated Strength and Ductility of γ-TiAl Alloys
Zhiqiang Zhao, Siyao Shuang, Kepeng Ouyang +8
The origin of the superior high-temperature strength of γ-TiAl with high Nb addition remains highly controversial, largely due to the unclear role of Nb atoms. Using large-scale hy…