Interface dominated deformation mechanisms in two-phase fcc/B2 nanostructures: Nishiyama-Wasserman vs. Kurdjumov-Sachs interfaces

D Choudhuri, A CampBell - Computational Materials Science, 2020 - Elsevier
Crystallographic orientation relationship (OR) in two-phase alloy microstructures determines
their heterophase interfacial structures, and may influence their corresponding deformation …

Deformation of lamellar FCC-B2 nanostructures containing Kurdjumov-Sachs interfaces: relation between interfacial structure and plasticity

D Choudhuri, SG Srinivasan, RS Mishra - International Journal of Plasticity, 2020 - Elsevier
Dual-phase lamellar microstructures containing alternating regions of plastically soft and
hard phases are known to produce alloys with exceptional combination of strength and …

Uniaxial deformation of face-centered-cubic (Ni)-ordered B2 (NiAl) bicrystals: atomistic mechanisms near a Kurdjumov–Sachs interface

D Choudhuri, R Banerjee, SG Srinivasan - Journal of materials science, 2018 - Springer
Creating tailored interfaces between soft and hard materials is a promising route to
simultaneously enhance ductility and strength of multicomponent materials. Here, we study …

Mechanistic insights into interface-facilitated dislocation nucleation and phase transformation at semicoherent bimetal interfaces

XP Shen, BN Yao, ZR Liu, D Legut, HJ Zhang… - International Journal of …, 2021 - Elsevier
The nucleation of lattice dislocations and interface sliding at bimetal interfaces are two
fundamental mechanisms of plasticity that are responsible for the mechanical responses of …

Atomic-precision fabrication of quasi-full-space grain boundaries in two-dimensional hexagonal boron nitride

X Ren, X Wang, C Jin - Nano Letters, 2019 - ACS Publications
Precise control and in-depth understanding of the interfaces are crucial for the functionality-
oriented material design with desired properties. Herein, via modifying the long-standing …

Dislocation nucleation from Zr–Nb bimetal interfaces cooperating with the dynamic evolution of interfacial dislocations

B Lin, J Li, Z Wang, J Wang - International Journal of Plasticity, 2020 - Elsevier
The nucleation of lattice dislocations (LDs) from bimetal interfaces is critical to the interface-
mediated deformation and strengthening mechanism in nanoscale multilayered metallic …

Atomistic insight into the dislocation nucleation at crystalline/crystalline and crystalline/amorphous interfaces without full symmetry

YY Xiao, XF Kong, BN Yao, D Legut, TC Germann… - Acta Materialia, 2019 - Elsevier
Misfit dislocations at bimetal interfaces play a decisive role in determining various
deformation behaviors by carrying the shear sliding, serving as a barrier for dislocation …

Antiphase boundaries in intermetallics: Proximate structures, formation energies, and chemical stability

JA Mayer, TM Pollock, KV Vamsi, R Seshadri - Physical Review Materials, 2024 - APS
Multiphase bcc/B 2-based alloy systems have recently received considerable attention
because their microstructures are often remarkably similar to the γ/γ′ microstructure of Ni …

Atomic structure variations of mechanically stable fcc-bcc interfaces

K Kang, J Wang, IJ Beyerlein - Journal of Applied Physics, 2012 - pubs.aip.org
It has recently been shown that under severe plastic deformation processing bi-metal fcc/bcc
composites develop a mechanically stable heterophase interface that joins the {112} …

Shear response of twin boundaries in face-centered-cubic metals

J Wang, A Misra, JP Hirth - Physical Review B—Condensed Matter and …, 2011 - APS
Molecular statics and dynamics simulations were used to study the mechanisms of sliding
and migration of Σ3 {112} incoherent twin boundaries (ITBs) under applied shear acting in …