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Table 1 Tensile properties of neat HDPE and HA/HDPE nano-composites

From: Effect of gamma radiation and accelerated aging on the mechanical and thermal behavior of HDPE/HA nano-composites for bone tissue regeneration

Material Non aged specimens Aged specimens
Dose (kGy) Modulus (MPa) Ultimate stress (MPa) Fracture strain Modulus (MPa) Ultimate stress (MPa) Fracture strain
HDPE +0 % HA 0 820 ± 36 20.5 ± 0.8 76 ± 5.8 650 ± 38 18.3 ± 0.8 60 ± 4.9
35 1060 ± 59 22 ± 1 48 ± 3.8 915 ± 55 22 ± 0.9 35 ± 3.1
70 1190 ± 88 22.6 ± 0.9 26 ± 2.1 1059 ± 52 21.5 ± 1 22 ± 1.8
HDPE + 10 % HA 0 1006 ± 58 25 ± 1.4 16.4 ± 1.1 740 ± 54 21 ± 1.1 13.3 ± 1.01
35 1188 ± 79 24.6 ± 1.1 13 ± 0.92 1030 ± 60 23.9 ± 0.98 11 ± 0.87
70 1310 ± 90 25.4 ± 0.95 10 ± 0.53 1200 ± 57 23.9 ± 1.1 9 ± 0.69
HDPE + 20 % HA 0 1185 ± 67 27.5 ± 1.3 10.5 ± 0.58 910 ± 60 25.4 ± 1.6 9.3 ± 0.64
35 1295 ± 70 28.1 ± 1.2 9 ± 0.72 1160 ± 63 26.9 ± 1.5 7 ± 0.48
70 1430 ± 88 29 ± 1.7 8 ± 0.53 1350 ± 80 27 ± 1.2 7 ± 0.41
HDPE + 30 % HA 0 1310 ± 81 28.8 ± 1.9 8.5 ± 0.41 1030 ± 69 26.3 ± 1.5 8.1 ± 0.58
35 1480 ± 87 28.9 ± 1.5 7 ± 0.45 1250 ± 78 28 ± 1.6 6 ± 0.42
70 1496 ± 89 29.1 ± 1.5 6 ± 0.39 1380 ± 81 27.5 ± 1.3 5 ± 0.33