## Abstract Several highly crossβlinked and remelted ultrahighβmolecular weight polyethylenes (UHMWPE) were introduced in 1998 as bearing materials for orthopaedic implants to achieve superior wear performance. However, gamma radiation and the subsequent postirradiation thermal treatment are associ
The effects of high dose irradiation on the cross-linking of vitamin E-blended ultrahigh molecular weight polyethylene
β Scribed by Ebru Oral; Christine Godleski Beckos; Arnaz S. Malhi; Orhun K. Muratoglu
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 229 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0142-9612
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## Abstract The effects of radiation sterilization on ultrahigh molecular weight polyethylene were explored by freeze fractures, electron spin resonance, absorption of aqueous media, density measurements, smallβangle and wideβangle xβray scatter, differential scanning calorimetry, infrared and ultr
Flaking-type wear, so-called delamination, is often observed in polyethylene joint components. This is thought to occur partly due to crack formation and propagation at grain boundaries. This study examined the effect of vitamin E on the crack formation and/or propagation in UHMWPE by using 2-dimens