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October 21, 2025Physica ScriptaOpen Access

Tensile behavior and mechanical properties of single-crystal AlN under uniaxial tension loading

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Authors

YHYan HeKWKaiyuan WangMTMeiling Tang

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Overview

Molecular dynamics simulation explores tensile strength and fracture mechanisms in aluminum nitride, revealing directional properties.

Key Points

  • The [100] crystal direction of AlN exhibits the highest tensile strength, indicating its superior mechanical properties.
  • At a strain rate of 0.001 ps-1, tensile strength is maximized, whereas a lower strain rate results in fewer bond fractures.
  • High temperatures weaken interatomic bonds, leading to decreased tensile strength and increased crack propagation rates.
  • Hole defects introduce variability in tensile strength and affect the stability of the crack fracture surface.

Cite This Study

He et al. (2025) studied this question.

synapsesocial.com/papers/68f74e597f21f73e19e5b503https://doi.org/10.1088/1402-4896/ae1557
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