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September 10, 2025ProcessesOpen Access

Effects of Grain Size on Mechanical Properties of Nanopolycrystalline Fe-Al Alloy

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Authors

XLXiaoming LiuKGKun GaoLHLong Huang

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Overview

Molecular dynamics simulations reveal grain size effects on ductility and mechanical properties in Fe-Al alloy, suggesting enhanced design for intermetallic materials.

Key Points

  • Grain size significantly influences the mechanical properties of nanopolycrystalline Fe-Al alloy.
  • The study uncovers an inverse Hall-Petch relationship governing flow stress in nanoscale regimes.
  • Molecular dynamics simulations demonstrate the effects of grain boundaries on deformation mechanisms.
  • Anomalous ductility occurs at ultra-high strain rates due to stress-induced phase transformation.

Cite This Study

Liu et al. (2025) studied this question.

synapsesocial.com/papers/68c1b19954b1d3bfb60e8eefhttps://doi.org/10.3390/pr13082462
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