Development of a composite bone plate for fixation of a fractured tibia
- Authors
- Sutcliffe, M.P.F.; Kim, H.J.; Chang, S.H.; Huang, Y.
- Issue Date
- 2011
- Keywords
- Cohesive zone; Fixation; Fracture; Friction; Tibia
- Citation
- ICCM International Conferences on Composite Materials
- Journal Title
- ICCM International Conferences on Composite Materials
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/50282
- ISSN
- 0000-0000
- Abstract
- A finite element model has been used to show how a composite bone fixation device compares in performance with an equivalent stainless steel plate. It has previously been shown[2] that the reduced modulus of the composite plate provides a better environment for healing in the early weeks after fracture. The results of the new work demonstrate that the composite plate also gives a more even transfer of load via screws from the plate into the bone for a realistic friction coefficient of 0.4. A cohesive zone model of failure of the healing callus has been used to illustrate how the stiffer steel plate provides a better protection against overloads in the early phases of healing, at the expense of providing a less good environment for healing. Finally it is shown that the composite lay-up can be adjusted to provide an optimum environment for healing, depending on the applied axial and torque loading.
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Collections - College of Engineering > School of Mechanical Engineering > 1. Journal Articles
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