Table 3 Average mechanical properties of FDM-PLA specimens that tested with different speeds.
Test speed (mm/min) | E (MPa) ± STD | υ ± STD | σu (MPa) ± STD | σy (MPa) ± STD | εfailure ± STD |
---|---|---|---|---|---|
2 | 1342 ± 241 | 0.27 ± 0.004 | 39.02 ± 2.2 | 35.66 ± 3.5 | 0.070 ± 0.002 |
4 | 1380 ± 79 | 0.26 ± 0.005 | 38.54 ± 5.1 | 36 ± 2.9 | 0.072 ± 0.003 |
6 | 1506 ± 109 | 0.28 ± 0.005 | 42.33 ± 4.5 | 37.98 ± 3.5 | 0.063 ± 0.002 |
8 | 1873 ± 231 | 0.28 ± 0.006 | 48.09 ± 3.4 | 43.27 ± 3.7 | 0.115 ± 0.005 |
10 | 1751 ± 283 | 0.29 ± 0.004 | 52.11 ± 3.5 | 43.50 ± 4.6 | 0.102 ± 0.004 |