Measurement of the microstructural fracture toughness of cortical bone using indentation fracture.

@article{Mullins2007MeasurementOT,
  title={Measurement of the microstructural fracture toughness of cortical bone using indentation fracture.},
  author={Lynita Mullins and Mark S. Bruzzi and Peter E McHugh},
  journal={Journal of biomechanics},
  year={2007},
  volume={40 14},
  pages={
          3285-8
        }
}
The purpose of this work is to investigate the use of indentation fracture as a method of measuring toughness at the microscale in cortical bone. Indentation fracture employs sharp indenters to initiate cracks, whose length can be used to calculate the toughness of the material. Only a cube corner indenter tip is found to initiate cracks at a suitable size scale for microstructural measurement. Cracks from 7 to 56 microm in length are produced using loads from 0.05 to 3N. Preliminary data… CONTINUE READING
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