Figure 8. Variation of critical buckling load verses index value with (a) uniaxial and (b) biaxial compression

From

Vibration and Parametric Instability of Functionally Graded Material Plates

Ramu I, Mohanty SC

Journal of Mechanical Design and Vibration. 2014, 2(4), 102-110 doi:10.12691/jmdv-2-4-5