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Reversible twinning and detwinning in TWIP steel under cyclic tensile loading: In situ synchrotron X-ray diffraction
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DOI:10.1016/j.apmt.2026.103259.png)
Abstract
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• In situ synchrotron XRD reveals reversible twinning-detwinning upon tensile cycling. • Stacking fault and twin fault probabilities evolve cyclically. • Reversibility is controlled by temperature and cyclic strain amplitude. • Twin boundary reversibility contributes to cyclic deformation stability. • Diffraction-derived parameters contribute to crystal plasticity models.
Keywords:
TWIP steel
Cyclic tensile testing
Reversible twinning-detwinning
Synchrotron X-ray
Diffraction
Stacking fault energy
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