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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: J Arthroplasty. 2008 Jun 10;23(7):1037–1044. doi: 10.1016/j.arth.2007.09.027

Table 2.

Stress factor range at fatigue crack inception for conventional UHMWPE and vitamin E-doped, irradiated UHMWPE

Sample ΔKincep (MPa m1/2)
Conventional UHMWPE [14] 1.19 ± 0.02
Vitamin E-doped, irradiated UHMWPE [14] 0.77 ± 0.02
100-kGy irradiated and melted UHMWPE [13] 0.56 ± 0.02
Aged conventional UHMWPE [13] 0.18 ± 0.06