Preparation and Characterization of Highly Flexible Al₂O₃/Al/Al₂O₃ Hybrid Composite

Table 1

Tensile properties and coating characteristics of the Al foil and their composites.

Samples	Sample thickness; (μm)	One side coating thickness; (μm)	Yield strength (YS); (MPa)	Ultimate tensile strength (UTS); (MPa)	Elongation (%)	Young modulus; (GPa)
Al foil	25		34.9	77.9	2.52	31.2
PEO for 4 min	25.2	1.35	73.2	91.2	2.43	59.6
PEO for 8 min	25.4	2.16	96.5	109.4	2.18	110.7
PEO for 14 min	33.1	6.86	91.4	113.8	1.15	127.4