Mechanical Properties of Sandwiched Construction with Composite and Hybrid Core Structure

Table 3

Flexural test results of composite foam-Al.

Case	Al (%)	δmax (mm)	Pmax (kN)	δy (mm)	Py (kN)	τmax (MPa)	τy (MPa)	σmax (MPa)	σy (MPa)
1	0.0	5.95	0.34	5.19	0.31	0.25	0.23	25.18	23.28
2	0.5	6.52	0.38	5.34	0.34	0.28	0.25	28.15	25.65
3	1.0	13.85	0.40	6.93	0.37	0.29	0.27	29.63	27.40
4	1.5	6.27	0.44	5.49	0.41	0.32	0.30	32.59	30.88
5	2.0	12.38	0.48	7.52	0.46	0.35	0.34	35.55	34.07
6	2.5	9.36	0.52	6.21	0.49	0.38	0.36	38.52	36.85
7	3.0	10.93	0.36	5.38	0.32	0.26	0.23	26.66	23.76