Thermomechanical response of functionally graded ti-6al-4v and zirconia biomaterial plates
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Tarih
2023
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info:eu-repo/semantics/openAccess
Özet
This article studies the free vibration and thermal buckling responses of functionally graded material (FGM) porous nanoplates exposed to thermal load. The developed mathematical model includes a shear deformation, size-scale, and microstructure influence by a high-order shear deformation and nonlocal strain gradient theories. The study considers four different porosity patterns across the thickness: uniform, symmetrical, asymmetric bottom, and asymmetric top distributions. The equation of motion of the FGM porous nanoplate, including the effects of thermal load, was derived with Hamilton's principle, and then solved analytically by employing the Navier method. Especially the temperature-dependent material properties of Ti-6Al-4V and Zirconia are involved in the model in calculating thermal loads due to their effectiveness in the dynamic behavior of the nanoplate. For the free vibration responses of the nanoplate, the effects of nonlocal and strain gradient elasticities, temperature rise, porosity volume fraction and its distribution have been analyzed. The results reveal significant influences of porosity and its distribution pattern, material's volumetric dispersion, size dependency, and temperature on the plate's free vibration and buckling temperatures.
Açıklama
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Kaynak
Journal of Materials and Mechatronics:A (Online)
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Cilt
4
Sayı
1
