Microstructural and Mechanical Studies of PVA Doped with ZnO and WO₃ Composites Films

Table 3

Tensile properties of pure and doped PVA films.

Sample	Tensile strength; (MPa)	Stiffness; (kN/m)	Young’s modulus; (MPa)	Percentage total  elongation at fracture
Pure PVA	2.901	5.3490	45.330	92.53
PVA/15% WO3	5.175	3.3851	58.872	90.309
PVA/1% ZnO 14% WO3	11.375	5.1376	70.864	263.99
PVA/5% ZnO 10% WO3	10.979	6.1740	100.390	150.45
PVA/7.5% ZnO 7.5% WO3	6.964	5.8880	90.585	50.304
PVA/10% ZnO 5% WO3	11.971	7.0552	176.380	60.279
PVA/14% ZnO 1% WO3	13.806	6.4073	183.067	64.952
PVA/15% ZnO	12.517	9.8261	196.523	195.74