Abstract
This paper presents a thermoelastic solution for a circular disc made of cubic quasicrystal. Using the semi-inversion method, the thermal stresses are presented when the disc is subjected to temperature change of a quadratic function of radius or constant internal heat source. We find that the displacements and strains in the phonon and phason fields are angle-dependent, while the phonon and phason stresses are axisymmetric and do not rely on the angle. Moreover, the thermal stresses exhibit a parabolic axisymmetric distribution, where the strains display an angle-dependent non-axisymmetric behavior.
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