Abstract
In this study fresh rabbit femora were tested in a three-point bending mode under six different rates of deformation ranging from 0·0423 to 254 mm s−1. Various mechanical parameters such as the ultimate bending load, bending stiffness and energy absorption capacity were determined. The maximum bending load and the bending stiffness increased by 50 and 46 per cent, respectively, at the highest rate of deformation as compared with the lowest. The ultimate deformation and energy absorbed decreased to 47 and 50 per cent, respectively, when the rate of deformation was increased from 0·0423 mm s−1 to 88·6 mm s−1. At the fastest speed of deformation the fracture was mostly comminuted, producing an increase in the total energy absorbed to fail the specimens.
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