Comptes Rendus
Patterns and dynamics: homage to Pierre Coullet / Formes et dynamique : hommage à Pierre Coullet
A brittle material with tunable elasticity: Crêpe paper
Comptes Rendus. Mécanique, Volume 347 (2019) no. 4, pp. 382-388.

We study the mechanical response, and tearing features of crêpe paper, a two-dimensional, very anisotropic material, with one direction much less stiff than the other one. Depending on how the soft direction has been pre-stretched or not, the apparent Young modulus of the material can be varied over a broad range, while its fracture energy remains unaltered. The classical tearing concertina problem shows that a macroscopic measurement (the shape of the teared region) provides a direct access to the fracture properties of the material (effective Young's modulus, and fracture energy). The overall discussion is conducted in the frame of Griffith's theory of fracture.

Published online:
DOI: 10.1016/j.crme.2019.03.013
Keywords: Patterns, Fracture

Nicolas Vandenberghe 1; Emmanuel Villermaux 1

1 Aix Marseille Université, CNRS, Centrale Marseille, IRPHE, Marseille, France
     author = {Nicolas Vandenberghe and Emmanuel Villermaux},
     title = {A brittle material with tunable elasticity: {Cr\^epe} paper},
     journal = {Comptes Rendus. M\'ecanique},
     pages = {382--388},
     publisher = {Elsevier},
     volume = {347},
     number = {4},
     year = {2019},
     doi = {10.1016/j.crme.2019.03.013},
     language = {en},
AU  - Nicolas Vandenberghe
AU  - Emmanuel Villermaux
TI  - A brittle material with tunable elasticity: Crêpe paper
JO  - Comptes Rendus. Mécanique
PY  - 2019
SP  - 382
EP  - 388
VL  - 347
IS  - 4
PB  - Elsevier
DO  - 10.1016/j.crme.2019.03.013
LA  - en
ID  - CRMECA_2019__347_4_382_0
ER  - 
%0 Journal Article
%A Nicolas Vandenberghe
%A Emmanuel Villermaux
%T A brittle material with tunable elasticity: Crêpe paper
%J Comptes Rendus. Mécanique
%D 2019
%P 382-388
%V 347
%N 4
%I Elsevier
%R 10.1016/j.crme.2019.03.013
%G en
%F CRMECA_2019__347_4_382_0
Nicolas Vandenberghe; Emmanuel Villermaux. A brittle material with tunable elasticity: Crêpe paper. Comptes Rendus. Mécanique, Volume 347 (2019) no. 4, pp. 382-388. doi : 10.1016/j.crme.2019.03.013.

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