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Strain localization and evolution of shear band microstructures in AA5754 sheet material subjected to quasi-static versus dynamic strain rates
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DOI：10.1016/j.msea.2026.150877.png)
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Abstract
En 中文
• S-shaped samples allow in-situ observation of local shear strain (rate) mapping. • Under quasi-static shear loading, PLC bands and micro-shear bands occur. • Under dynamic shear loading, shear rate exhibits pronounced peaks prior to failure. • TEM analysis confirms the formation of ultrafine grains under dynamic shear loading. • Different loading conditions affect formation and growth of adiabatic shear bands.
Keywords:
Adiabatic shear bands
Aluminum alloy
Dynamic testing
Split-Hopkinson Pressure bar
Digital image correlation
Dynamic strain aging
Micro-shear bands
Dynamic recrystallization
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7
Papers:
3.7W
Citations:
13.8W
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