抄録
The deformation mechanism of bone at different hierarchical levels has been of wide interest. The important features of bone, its anisotropy and orientation dependent deformation are equally important. With respect to deformation at the macroscopic scale due to external load, how the mineral particles deform has not been revealed yet in detail. From different experimental outcomes, we demonstrate the mineral crystals deformation and arrangement characteristics using two-dimensional X-ray diffraction images. On the basis of orientation and distribution of crystals, we then describe an approach of evaluating the anisotropic stresses in cortical bone from the deformation characteristics of HAp crystallites.