The single quasicrystal elastic moduli cᵢⱼ of decagonal Al-Ni-Co were determined using resonant ultrasound spectroscopy at selected fixed temperatures in the range between 5 and 290 K. Decagonal Al-Ni-Co is found to be transversely elastically isotropic to (0.02±0.04)%. The elastic moduli cᵢⱼ(T) exhibit weak temperature dependences. The elastic Debye temperature ΘDᵉˡ calculated from cᵢⱼ measured at 5 K agrees well with the thermodynamic Debye temperature ΘDᵗʰ obtained from a low-temperature specific-heat experiment.
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Черников et al. (1998) studied this question.
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