Crossref Citations
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Saliba, Joseph E.
1992.
Structure, Cellular Synthesis and Assembly of Biopolymers.
Vol. 19,
Issue. ,
p.
279.
Published online by Cambridge University Press: 15 February 2011
Grass and horn keratin are presented as examples of biological materials which are notch-insensitive due to the presence of strong and stiff parallel fibres in a weaker more compliant matrix. A simple Voigt model is adequate to account for most of these properties. The biological significance of this morphology is explored: with grasses it affects the way animals graze, with horn keratin the behaviour of the horned animal maximises fracture control.