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

Advanced Modeling and Simulation in Engineering Sciences

Table 5 Buckling under combined loading: experimental buckling loads for VM22 ASTER shells

Specimen	h (μm)	E (GPa)	\(P_{exp}\) (MPa)	\(F_{exp}\) (N)	\(P_E\) (MPa)	\(F_E\) (N)	Load ratio \(\frac{F}{F_{E}}\frac{P_{E}}{P}\)
B2	150	161	0.0920	0	0.023	14,004	0
B7	142	160	0.0543	2500	0.0184	12,314	0.7
B8	140	148	0.0380	4500	0.0164	11,053	1.4
B9	140	160	0.0326	7900	0.0177	11,951	1.8
B10	152	163	0.0205	14,840	0.0221	14,337	3.5
B5	153	162	0.000	14,200	0.0224	14,200	\(\infty\)