Structural Engineering and Mechanics

Techno-Press (테크노프레스)
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Stresses in FGM pressure tubes under non-uniform temperature distribution

  • Eraslan, Ahmet N. (Department of Engineering Sciences, Middle East Technical University)
  • Received : 2006.08.02
  • Accepted : 2006.12.11
  • Published : 2007.07.10
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Abstract

The effects of material nonhomogeneity and nonisothermal conditions on the stress response of pressurized tubes are assessed by virtue of a computational model. The modulus of elasticity, the Poisson's ratio, the yield strength, and the coefficient of thermal expansion, are assumed to vary nonlinearly in the tube. A logarithmic temperature distribution within the tube is proposed. Under these conditions, it is shown that the stress states and the magnitudes of response variables are affected significantly by both the material nonhomogeneity and the existence of the radial temperature gradient.

Keywords

References

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