Nanostructure and Properties of a Shinbone

Original Paper


Scanning electron microscope (SEM) observation shows that a shinbone is composed of large-volume-fraction hydroxyapatite and small-volume-fraction collagen protein materials. The hydroxyapatite is of laminated structure and consists of numberless hydroxyapatite sheets. The observation also shows that the hydroxyapatite sheets are parallel with each other and of nanometer scale. The high fracture toughness and fracture strength of the bone are investigated based on the calculation formula of the dissipation work and Griffith criterion. The investigated results reveal that the large-volume fraction and the nanometer scale of the hydroxyapatite sheets are the important factors to the high mechanical performance of the bone.


Shinbone Nanometer structure Fracture toughness Fracture strength 


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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.College of Resource and Environment ScienceChongqing UniversityChongqingChina
  2. 2.Key Laboratory for the Exploitation of Southwest Resources and Environmental Disaster Control Engineering, Ministry of EducationChongqing UniversityChongqingP.R. China

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