Table 2 Test results.
Wall thickness/mm | Hollow content | Mean strain rate/s− 1 | Dynamic elastic modulus/GPa | Peak stress/MPa | Peak strain/10− 3 |
---|---|---|---|---|---|
0 | 0 | 100.34 | 5.38 | 10.56 | 2.58 |
0.187 | 114.09 | 4.64 | 8.78 | 2.65 | |
0.292 | 113.29 | 1.97 | 4.19 | 2.72 | |
2 | 0 | 103.77 | 4.32 | 13.77 | 8.32 |
0.187 | 119.57 | 3.75 | 10.33 | 9.89 | |
0.292 | 118.19 | 1.34 | 8.21 | 11.56 | |
3 | 0 | 105.33 | 4.04 | 14.28 | 6.77 |
0.187 | 118.74 | 3.87 | 11.78 | 7.47 | |
0.292 | 115.39 | 1.45 | 9.42 | 8.89 | |
4 | 0 | 110.22 | 4.56 | 18.52 | 4.54 |
0.187 | 121.16 | 3.34 | 15.29 | 5.22 | |
0.292 | 123.12 | 1.28 | 9.81 | 6.96 |