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Stress Distributions for T-Section Beams Made of Functionally Graded Material (Dept.M)

This study introduces a theoretical analysis for functionally graded materials (FGMS) OF t-section beams. Analytical methods are set in the form of equations using the effective principal axes, in order to provide a method for predicting the normal stress distribution of the FGMS beam under both axial load and bending moments. Considering the elastic modulus to be an exponential function, the effect of the non-homogeneity parameter on the distribution of the normal stress, as well as on the position of the neutral axis along the beam height, is discussed for several different loading cases. The results obtained show that the non-homogeneity parameters have great effects on the normal stress distribution and the position of the neutral axis. This indicates that, with the less hard region increases, and the neutral axis transfers toward the harder region.