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Table 3 ASTER VM14 shells: characteristics and experimental buckling loads

From: ASTER Shell: a simple concept to significantly increase the plastic buckling strength of short cylinders subjected to combined external pressure and axial compression

External pressure C1 C2
h (\(\upmu \text{m}\)) 149 147
R/h 503 510
E (GPa) 154 143
\(P_{exp}\) Buckling pressure (MPa) 0.054 0.045
\(P_{E}\) (MPa) 0.020 0.018
\(\frac{P_{exp}}{P_{E}}\) 2.7 2.6
Axial compression C3 C4
h (\(\mu m\)) 150 148
R/h 500 507
E (GPa) 151 156.5
\(F_{exp}\) Buckling Load (N) 6200 5100
\(F_{E}\) (N) 12937 13,012
\(\frac{F_{exp}}{F_{E}}\) 0.48 0.39