2 papers
cond-mat.mtrl-sci2026
Atomic Cluster Expansion Potentials for Screw Dislocations in BCC Refractory Metals
Lei Zhang, Francesco Maresca
Accurate atomistic modeling of screw dislocations in body-centered cubic (bcc) metals remains challenging because their plasticity is governed by a complex dislocation glide behavi…
cond-mat.mtrl-sci2025
To crack, or not to crack: How hydrogen favors crack propagation in iron at the atomic scale
Aleksei Egorov, Lei Zhang, Erik van der Giessen +1
Steel is a key structural material because of its considerable strength and ductility. However, when exposed to hydrogen, it is prone to embrittlement. Mechanistic understanding of…