Journal
PHYSICAL REVIEW LETTERS
Volume 118, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.217802
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Funding
- Rhone-Alpes region [CPER07-13 CIRA]
- Equip@Meso Project [337, ANR-10-EQPX-29-01]
- German Science Foundation [SFB TRR 146]
- Institut Universitaire de France
- [ERC-2011-ADG20110209]
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We examine the microscopic origin of the tensile response in semicrystalline polymers by performing large-scale molecular dynamics simulations of various chain lengths. We investigate the microscopic rearrangements of the polymers during tensile deformation and show that the intercrystalline chain connections known as tie chains contribute significantly to the elastic and plastic response. These results suggest that the mechanical behavior of semicrystalline polymers is controlled by two interpenetrated networks of entanglements and tie chains.
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