| Issue |
Europhys. Lett.
Volume 76, Number 4, November 2006
|
|
|---|---|---|
| Page(s) | 588 - 594 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2006-10328-9 | |
| Published online | 20 October 2006 | |
Fracture of soft cellular solids —Case of non-crosslinked polyethylene foam
Department of Physics, Graduate School of Humanities and Sciences Ochanomizu University - 2–1–1, Otsuka, Bunkyo-ku, Tokyo 112-8610, Japan
Corresponding author: okumura@phys.ocha.ac.jp
Received:
14
May
2006
Accepted:
27
September
2006
Fracture mechanical properties of hard cellular solids (porous materials) with the Young modulus E larger than 3000
have been well understood; scaling relations between fracture mechanical quantities and porosity are established, which can be explained by a theory based on the geometrical parameters of a cellular solid.
In this study, we obtain experimentally the fracture energy of a very soft polyethylene foam with E around 1.
We find scaling laws different from those for hard foams, which can be understood by considerations independent of the structural parameters of foams.
PACS: 46.50.+a – Fracture mechanics, fatigue and cracks / 81.05.Rm – Porous materials; granular materials / 82.35.Lr – Physical properties of polymers
© EDP Sciences, 2006
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