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Bone Fracture: Parallels to Polymer Fatigue
Author(s) -
Klehm Jessica,
Henning Sven,
Adhikari Rameshwar,
Brandt Jörg
Publication year - 2016
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.201650046
Subject(s) - crazing , materials science , fracture (geology) , composite material , anisotropy , collagen fibril , polymer , deformation (meteorology) , bone matrix , nanoscopic scale , nanotechnology , biophysics , anatomy , medicine , cartilage , physics , quantum mechanics , biology
Summary Based on electron microscopic investigations, initial stages of microcrack formation and growth in bone are described as craze‐like phenomena. The comparison of micro‐ and nanoscopic processes of deformation and fracture induced under different experimental conditions give rise to the conclusion that crazing is a fundamental micromechanical process during bone damage and fracture. Although there are striking similarities to crazes in polymeric materials, craze formation and growth in bone is strongly influenced by the morphology of the main building blocks of the bone matrix, i.e., the mineralized collagen fibrils, as well as by the significant anisotropy of bone architecture.