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Transient fracture behavior of functionally graded one-dimensional hexagonal piezoelectric quasicrystal strips under electromechanical impact
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DOI：10.1016/j.engfracmech.2026.112524.png)
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Abstract
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• Transient impact fracture of 1D hexagonal piezoelectric QCs is modeled. • Bak’s dynamical theory is extended to impact fracture of piezoelectric QCs. • Laplace–Fourier transforms reduce the problem to singular integral equations. • Dynamic phonon, phason and electric intensity factors are obtained. • Effects of gradation, crack length and impact time on ERR are clarified.
Keywords:
Functionally graded quasicrystal materials
Crack
Transient fracture
Fourier transform
Energy release rate
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