The effect of characteristic self-generated defects on the mechanical behavior of poly(ethylene terephthalate) fibers and films
Petr A Kechekyan
1
,
O V Arzhakova
1
,
Alexander S Kechekyan
2
,
A A Dolgova
1
,
Aleksandr L Volynskii
1
Publication type: Journal Article
Publication date: 2019-08-01
scimago Q1
wos Q2
SJR: 0.843
CiteScore: 7.7
Impact factor: 4.5
ISSN: 00323861, 18732291
Materials Chemistry
Organic Chemistry
Polymers and Plastics
Abstract
This paper addresses specific structural and mechanical behavior of poly(ethylene terephthalate) (PET) fibers and films with characteristic self-generated characteristic defects. Characteristic defects with multiple interfaces (as crazes and/or shear bands) are self-initiated in the PET fibers and films due to their benign pre-loading (loading below yield stress, uniaxial compression, etc.). Mechanical behavior of the PET samples with characteristic defects is characterized by unusual stress-strain curves, which are appreciably different from that of the pristine PET sample. The yield point and the sharp stress drop corresponding to the onset of necking appear to be markedly spaced along the strain axis by appreciable strains (even up to ∼40%). This unusual behavior of the PET fibers and films with characteristic defects is referred to as the phenomenon of delayed necking and the conditions providing this phenomenon are outlined.
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6
Total citations:
6
Citations from 2024:
2
(33%)
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Kechekyan P. A. et al. The effect of characteristic self-generated defects on the mechanical behavior of poly(ethylene terephthalate) fibers and films // Polymer. 2019. Vol. 176. pp. 11-19.
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Kechekyan P. A., Arzhakova O. V., Kechekyan A. S., Dolgova A. A., Volynskii A. L. The effect of characteristic self-generated defects on the mechanical behavior of poly(ethylene terephthalate) fibers and films // Polymer. 2019. Vol. 176. pp. 11-19.
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TY - JOUR
DO - 10.1016/j.polymer.2019.04.022
UR - https://linkinghub.elsevier.com/retrieve/pii/S0032386119303428
TI - The effect of characteristic self-generated defects on the mechanical behavior of poly(ethylene terephthalate) fibers and films
T2 - Polymer
AU - Kechekyan, Petr A
AU - Arzhakova, O V
AU - Kechekyan, Alexander S
AU - Dolgova, A A
AU - Volynskii, Aleksandr L
PY - 2019
DA - 2019/08/01
PB - Elsevier
SP - 11-19
VL - 176
SN - 0032-3861
SN - 1873-2291
ER -
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@article{2019_Kechekyan,
author = {Petr A Kechekyan and O V Arzhakova and Alexander S Kechekyan and A A Dolgova and Aleksandr L Volynskii},
title = {The effect of characteristic self-generated defects on the mechanical behavior of poly(ethylene terephthalate) fibers and films},
journal = {Polymer},
year = {2019},
volume = {176},
publisher = {Elsevier},
month = {aug},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0032386119303428},
pages = {11--19},
doi = {10.1016/j.polymer.2019.04.022}
}
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