فهرس المقالات Longitudinal variation of properties حرية الوصول المقاله صفحة الملخص نص كامل 1 - Effect of Material Gradient on Stresses of FGM Rotating Thick-Walled Cylindrical Pressure Vessel with Longitudinal Variation of Properties under Non-uniform Internal and External Pressure Mehdi Jabbari Mohammad Zamani Nejad Mehdi Ghannad