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Fig. 5
A comparison of uniaxial tensile properties of native heart valves, blood vessels, PVDF, and PVDF-G composites
| Samples (thickness ~15 mm) | Ultimate tensile strength, σ (MPa) | Strain, ɛ (%) | Young's modulus, E (MPa) |
|---|---|---|---|
| Human aortic valve [28] | 2.60 | 22.00 | 15.00 |
| Porcine aortic valve [29] | 1.30 | 10.80 | 7.80 |
| Blood vessel [30] | 0.20–0.60 | - | 2.00–6.00 |
| PVDF | 23.40 | 69.30 | 417.64 |
| PVDF/G-1.0 wt.% | 19.29 | 4.68 | 492.64 |
| PVDF/G-1.5 wt.% | 90.24 | 2.30 | 5,720.88 |
| PVDF/G-2.0 wt.% | 56.59 | 3.67 | 2,740.64 |