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. Author manuscript; available in PMC: 2006 May 18.
Published in final edited form as: Biomaterials. 2005 Nov;26(33):6657–6663. doi: 10.1016/j.biomaterials.2005.04.026

Table 2.

Mechanical properties of α-tocopherol-blended and 100-kGy irradiated GUR 1050 UHMWPE as compared to unirradiated GUR 1050 and 100-kGy irradiated GUR 1050

Ultimate tensile strength (MPa) Yield strength (MPa) Elongation at break (%)
α-Tocopherol-blended GUR 1050
 Virgin 52±2 23±1 521±16
 0.1 wt% α-tocopherol 55±3 23±1 423±8
 0.3 wt% α-tocopherol 51±3 23±1 392±16
Accelerated aged 100-kGy irradiated and melted GUR 1050
 Virgin 33±2 21±1 301±18
Unaged 100-kGy irradiated GUR 1050
 Virgin 45±1 24±1 213±33
Accelerated aged 100-kGy irradiated GUR 1050
 Virgin 20±1 19±1 NA
 0.1 wt% α-tocopherol 49±2 24±1 282±2
 0.3 wt% α-tocopherol 51±2 25±1 349±10