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Article Dans Une Revue Journal of the mechanical behavior of biomedical materials Année : 2022

Macrocrack propagation in a notched shaft segment of human long bone: Experimental results and mechanical aspects

Résumé

Experimenting with crack propagation in human cortical tissue is a necessary prerequisite for developing a cracking model. A three-point bending test on a shaft section of a notched human long bone is presented. A procedure for carrying out the experimental test, including unloading/reloading cycles, is implemented. The results obtained are analyzed regarding the physical mechanisms which occur in the different phases of the test, and during the cycles. The prominent role of cracking is highlighted. In addition a hypothesis is proposed concerning the potential effect of initial internal residual stresses, due to bone remodelling, on the significant residual notch openings after unloading and on the cycles' shape.
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Dates et versions

hal-04051599 , version 1 (30-03-2023)

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Jean-Louis Tailhan, Théophile Kurtz, Yves Godio-Raboutet, Pierre Rossi, Lionel Thollon. Macrocrack propagation in a notched shaft segment of human long bone: Experimental results and mechanical aspects. Journal of the mechanical behavior of biomedical materials, 2022, 128, p. 105132. ⟨10.1016/j.jmbbm.2022.105132⟩. ⟨hal-04051599⟩
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