Experimental Investigation and Parametric Analysis of the Mechanical Properties of Aluminum Alloy Thin-Walled Hollow Columns under Axial Compression

Table 1

Results of tensile tests.

Number	E/GPa	σ tu/MPa	ε tu/10^3	n	ƒ 0.1/MPa	ƒ 0.2/MPa
1-1	63.54	207.59	26.33	24.21	181.44	186.71
1-2	55.59	195.71	23.70	16.47	170.35	177.67
1–3	66.05	204.63	30.43	18.87	175.86	182.44
1–4	58.59	197.12	27.82	22.99	171.82	177.08
1–5	62.44	195.85	23.34	24.72	173.34	178.27
AVE	61.24	200.18	26.27	21.45	174.56	180.43