Atomistic Insights into Tension–Compression Asymmetry of a V/Fe Bilayer (with a Semi-Coherent Interface)

S K Hamdani

doi:10.1016/j.cocom.2026.e01310

Atomistic Insights into Tension–Compression Asymmetry of a V/Fe Bilayer (with a Semi-Coherent Interface)

2026-04-22

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AI

S

S K Hamdani *

S

Saad Abdeslam

R

Rebecca Janisch

A

Alexander Hartmaier

DOI：10.1016/j.cocom.2026.e01310

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Abstract

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• V/Fe bilayers exhibit strengthening under tension with dislocation slip in V and anti-twinning in Fe. • Compression causes softening in comparaison to V single crystal. • This asymmetry is triggered by a direction-dependent shear strain evolution at the interface. • Interfacial shear strains in the V layer is dominant under tension. • Interfacial shear strains occur in the Fe layer under compression.

Keywords:

V/Fe bilayer

tension-compression asymmetry

dislocation slip

anti-twinning

interfacial shear strain

Atomistic Insights into Tension–Compression Asymmetry of a V/Fe Bilayer (with a Semi-Coherent Interface)

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