Table 1.
Test | Starch % | 0 | 0.5 | 1.0 | 1.5 | 2.0 | |
---|---|---|---|---|---|---|---|
Type of Test | |||||||
Tensile | Tensile Stress (MPa) | 8.19 | 8.51 | 9.35 | 9.62 | 9.45 | |
Young’s Modulus (MPa) | 1068.86 | 1185.31 | 1310.69 | 1388.28 | 1262.08 | ||
Maximum Load (N) | 245.69 | 255.13 | 280.41 | 288.55 | 283.52 | ||
Elongation at Break (%) | 1.05 | 1.16 | 1.21 | 1.39 | 1.71 | ||
Flexural | Flexural Stress at Yield (Mpa) | 65.82 | 121.54 | 123.57 | 126.04 | 119.45 | |
Load at Yield (N) | 39.49 | 72.46 | 73.94 | 75.63 | 74.33 | ||
Deflection (mm) | 14.32 | 23.85 | 26.17 | 28.35 | 24.27 | ||
Impact | Impact Strength un-Notched × 10−3 (J/mm2) | 6.33 | 9.38 | 10.67 | 12.87 | 8.77 | |
Impact Strength Single-Notched × 10−3 (J/mm2) | 4.31 | 5.39 | 5.61 | 6.33 | 5.19 |