Physical Review Letters
Physical Review Letters
5 years ago

Illustrating the Molecular Origin of Mechanical Stress in Ductile Deformation of Polymer Glasses

Illustrating the Molecular Origin of Mechanical Stress in Ductile Deformation of Polymer Glasses
Mesfin Tsige, Jianning Liu, Xiaoxiao Li, Zhuonan Liu, Shi-Qing Wang
New experiments show that tensile stress vanishes shortly after preyield deformation of polymer glasses while tensile stress after postyield deformation stays high and relaxes on much longer time scales, thus hinting at a specific molecular origin of stress in ductile cold drawing: chain tension rat...

Publisher URL: http://link.aps.org/doi/10.1103/PhysRevLett.120.077801

DOI: 10.1103/PhysRevLett.120.077801

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