Bosia, Federico and Della Croce, Federico and Pugno, Nicola M. (2012) Systematic numerical investigation of the role of hierarchy in heterogeneous bio-inspired materials. In «Journal of the Mechanical Behavior of Biomedical Materials», vol. 19, Philadelphia, PA, USA : Elsevier, pp. 34-42.
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Abstract
It is well known that hierarchical structure is an important feature in biological materials to optimise various properties, including mechanical ones. It is however still unclear how these hierarchical architectures can improve material characteristics, for example strength. Also, the transposition of these structures from natural to artificial bioinspired materials remains to be perfected. In this paper, we introduce a numerical method to evaluate the strength of fibre-based heterogeneous biological materials and systematically investigate the role of hierarchy. Results show that hierarchy indeed plays an important role and that it is possible to “tune” the strength of bio-inspired materials in a wide range of values, in some cases improving the strength of non-hierarchical structures considerably.
| Item Type: | Article in journal |
|---|---|
| FP7 Grant Agreement Number: | European Research Council/ERC Starting grant/EU/FP7/279985 |
| Department or Research center: | Civil, Environmental and Mechanical Engineering |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA164 Bioengineering T Technology > TA Engineering (General). Civil engineering (General) > TA630 Structural Engineering |
| Repository staff approval on: | 14 Nov 2013 10:00 |
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