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Hierarchical interconnections in the nano-composite material bone: fibrillar cross-links resist fracture on several length scales

Record type: Article

Bone is a complex and very important multi-constituent bio-composite. In this work, we focus on the arrangement of bone constituents from the nanoscopic to the microscopic scale, and investigate the influence of their arrangements on the fracture mechanisms of the whole composite. We find that bone, on the nanoscopic scale, consists of mineralized collagen fibrils held together by a non-fibrillar organic matrix, which results in a primary failure mode of delamination between mineralized fibrils. In turn, these mineralized fibrils form one of three types of filaments that span microcracks in fractured bone samples, possibly resisting the propagation of these cracks.

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Citation

Fantner, Georg E., Rabinovych, O., Schitter, Georg, Thurner, Philipp J., Kindt, J.H., Finch, Marquesa, Weaver, James C., Golde, Laura S., Morse, Daniel E., Lipman, Everett A., Rangelow, Ivo W. and Hansma, Paul K. (2006) Hierarchical interconnections in the nano-composite material bone: fibrillar cross-links resist fracture on several length scales Composites Science and Technology, 66, (9), pp. 1205-1211. (doi:10.1016/j.compscitech.2005.10.005).

More information

Published date: July 2006
Keywords: bone, afm, mechanical properties, non-collagenous proteins, filaments, collagen, fibrils

Identifiers

Local EPrints ID: 48830
URI: http://eprints.soton.ac.uk/id/eprint/48830
ISSN: 0266-3538
PURE UUID: de6458bb-b835-41dc-b3f7-05b695a8c5da

Catalogue record

Date deposited: 16 Oct 2007
Last modified: 17 Jul 2017 14:58

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Contributors

Author: Georg E. Fantner
Author: O. Rabinovych
Author: Georg Schitter
Author: J.H. Kindt
Author: Marquesa Finch
Author: James C. Weaver
Author: Laura S. Golde
Author: Daniel E. Morse
Author: Everett A. Lipman
Author: Ivo W. Rangelow
Author: Paul K. Hansma

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