Journal Article10.3844/AJASSP.2008.852.859
New Analysis for The FGM Thick Cylinders Under Combined Pressure and Temperature Loading
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TL;DR: In this paper, an analytical solution for computing the radial and circumferential stresses in a FGM thick cylindrical vessel under the influence of internal pressure and temperature is presented.
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Abstract: An analytical solution for computing the radial and circumferential stresses in a FGM thick cylindrical vessel under the influence of internal pressure and temperature is presented in this paper. It has been assumed that the modulus of elasticity and thermal coefficient of expansion were varying through thickness of the FGM material according to a power law relationship. Nevertheless the value of the Poisson ratio was taken as constant throughout the material. In the analysis presented here the effect of non-homogeneity in FGM thick cylinder was implemented by choosing a dimensionless parameter, named β, which could be assigned an arbitrary value affecting the stresses in the cylinder. Using Maple 9.5, distribution of stresses in radial and circumferential directions for FGM cylinders under the influence of internal pressure and temperature gradient were obtained. Graphs of variations of stress versus radius of the cylinder were plotted for different values of β. Cases of pressure, temperature and combined loadings were considered separately. It was concluded that by changing the value of β, the properties of FGM could be so modified that the lowest stress levels were reached. The stresses which were produced in FGM and homogeneous material with the same boundary conditions were compared to obtain the optimum value of β.
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Citations
Modeling Steady State Creep in Functionally Graded Thick Cylinder Subjected to Internal Pressure
Tejeet Singh,V.K. Gupta +1 more
TL;DR: In this article, the steady state creep behavior in an isotropic functionally graded composite cylinder, subjected to internal pressure has been investigated, where the cylinder is assumed to be made of composite containing silicon carbide particles in a matrix of pure aluminum.
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Thermal stress analysis of functionally graded solid and hollow thick-walled structures with heat generation
TL;DR: In this paper, the effect of heat convection coefficient on solid and hollow cylinders and spheres made of functionally graded materials (FGMs) was investigated individually and the results have demonstrated that the pseudospectral Chebyshev method has high accuracy, low calculation costs and ease of application and can be easily adapted to such engineering problems.
22
Bree's diagram of a functionally graded thick-walled cylinder under thermo-mechanical loading considering nonlinear kinematic hardening
TL;DR: In this article, an elasto-plastic analysis of a thick-walled cylinder made of functionally graded materials (FGMs) subjected to constant internal pressure and cyclic temperature gradient loading is carried out using MATLAB.
21
Effect of Material Parameters on Steady State Creep in a Thick Composite Cylinder Subjected to Internal Pressure
Tejeet Singh,V.K. Gupta +1 more
TL;DR: In this paper, the steady state creep in Al-SiCP composite cylinder subjected to internal pressure was investigated and the creep behavior of the material were described by threshold stress based creep law by assuming a stress exponent of 5.
Analysis of Steady State Creep in Whisker Reinforced Functionally Graded Thick Cylinder Subjected to Internal Pressure by Considering Residual Stress
Tejeet Singh,V.K. Gupta +1 more
TL;DR: In this article, the steady state creep behavior of a functionally graded thick composite cylinder subjected to internal pressure has been analyzed in the presence of residual stress, and the results obtained are compared with a similar cylinder but yielding according to von Mises yield criterion.
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References
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TL;DR: In this paper, the dynamic thermoelastic response of functionally graded cylinders and plates is studied, and a finite element model of the formulation is developed, where the heat conduction and the thermo-elastic equations are solved for a functionally graded axisymmetric cylinder subjected to thermal loading.
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Analysis of the thermal stress behaviour of functionally graded hollow circular cylinders
TL;DR: In this paper, an analysis of the thermomechanical behavior of hollow circular cylinders of functionally graded material (FGM) cylinders is presented, and the authors conclude that thermal stresses necessarily occur in the FGM cylinder, except in the trivial case of zero temperature.
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Thermal Stresses in Materials with Temperature-Dependent Properties
TL;DR: In this article, the current state of thermoelastic problems in materials with temperature dependent properties is described for analytical treatments, and a perturbation method to analyze the thermelastic problems, and an new treatment for heat conduction problem in the non-homogeneous body.
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Thermal stresses and thermal expansion in a uniformly heated functionally graded cylinder
TL;DR: In this article, the authors derived the exact solution for the problem of uniformly heating a cylinder whose elastic moduli and thermal expansion coefficient vary linearly with radius, and showed that the radial and tangential stresses are largest in magnitude at the center of the cylinder whereas the deviatoric stress is largest at the outer edge of a cylinder.
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