Strength of hierarchical materials

Published on Oct 2, 2008in Microsystem Technologies-micro-and Nanosystems-information Storage and Processing Systems2.276
· DOI :10.1007/S00542-008-0644-X
Alberto Carpinteri78
Estimated H-index: 78
(Polytechnic University of Turin),
Pietro Cornetti28
Estimated H-index: 28
(Polytechnic University of Turin)
+ 1 AuthorsAlberto Giuseppe Sapora22
Estimated H-index: 22
(Polytechnic University of Turin)
Many biological materials exhibit a hierarchical structure over more than one length scale. Understanding how hierarchy affects their mechanical properties emerges as a primary concern, since it can guide the synthesis of new materials to be tailored for specific applications. In this paper the strength and stiffness of hierarchical materials are investigated by means of a fractal approach. A new model is proposed, based both on geometric and material considerations and involving simple recursive formulas.
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Cited By2
#1Gabriele H. Greco (University of Trento)H-Index: 11
#2Nicola Pugno (University of Trento)H-Index: 67
Spider silks present extraordinary mechanical properties, which have attracted the attention of material scientists in recent decades. In particular, the strength and the toughness of these protein-based materials outperform the ones of many man-made fibers. Unfortunately, despite the huge interest, there is an absence of statistical investigation on the mechanical properties of spider silks and their related size effects due to the length of the fibers. Moreover, several spider silks have never...
#4Fang Yang (THU: Tsinghua University)H-Index: 42
AbstractFrom the concept of fractal superfibre with fractal cross-section, multifractal superfibre with multifractal cross-section is introduced in the present paper. Various single fractal sets, e.g. three, seven- and eleven-circle fractal sets, have combined to form double fractal sets, e.g. three-/seven-circle fractal set and three-/eleven-circle fractal set. The fractal dimensions of the double fractal and multifractal sets are calculated. By taking the double fractal superfibre as an ideali...
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