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Stress factor range at fatigue crack inception for conventional UHMWPE and a-tocopherol-doped, irradiated UHMWPE
| Sample | ΔKincep (MPa m1/2) |
|---|---|
| Conventional UHMWPE | 1.19 ± 0.02 |
| a-Tocopherol-doped, irradiated UHMWPE | 0.77 ± 0.02 |
| 100-kGy irradiated and melted UHMWPE [13] | 0.56 ± 0.02 |
