Peak stress intensity factor governs crack propagation velocity in crosslinked ultrahigh-molecular-weight polyethylene.

@article{Sirimamilla2013PeakSI,
  title={Peak stress intensity factor governs crack propagation velocity in crosslinked ultrahigh-molecular-weight polyethylene.},
  author={Abhiram Sirimamilla and Jevan Furmanski and Clare M. Rimnac},
  journal={Journal of biomedical materials research. Part B, Applied biomaterials},
  year={2013},
  volume={101 3},
  pages={430-5}
}
Ultrahigh-molecular-weight polyethylene (UHMWPE) has been successfully used as a bearing material in total joint replacement components. However, these bearing materials can fail as a result of in vivo static and cyclic loads. Crack propagation behavior in this material has been considered using the Paris relationship which relates fatigue crack growth rate, da/dN (mm/cycle) versus the stress intensity factor range, ΔK (Kmax - Kmin , MPa√m). However, recent work suggests that the crack… CONTINUE READING

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