Nonlinear viscoelasticity and fatigue of glassy polymers

Aleksey D. Drozdov

doi:10.1016/S0093-6413(00)00093-8

Nonlinear viscoelasticity and fatigue of glassy polymers

Aleksey D. Drozdov

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Constitutive equations were derived for the uniaxial loading of glassy polymers in the sub-yield region. The model correctly predicts experimental data in tensile relaxation tests for virgin polypropylene specimens and for samples subjected to cyclic preloading. The preloading induces dramatic changes in the initial Young modulus and the rate of rearrangement R. Fatigue results in work hardening at relatively small strains and leads to a decrease in the rigidity of relaxing regions at larger strains.

Original language	English
Pages (from-to)	281-286
Number of pages	6
Journal	Mechanics Research Communications
Volume	27
Issue number	3
DOIs	https://doi.org/10.1016/S0093-6413(00)00093-8
State	Published - 1 Jan 2000
Externally published	Yes

ASJC Scopus subject areas

Civil and Structural Engineering
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/S0093-6413(00)00093-8

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title = "Nonlinear viscoelasticity and fatigue of glassy polymers",

abstract = "Constitutive equations were derived for the uniaxial loading of glassy polymers in the sub-yield region. The model correctly predicts experimental data in tensile relaxation tests for virgin polypropylene specimens and for samples subjected to cyclic preloading. The preloading induces dramatic changes in the initial Young modulus and the rate of rearrangement R. Fatigue results in work hardening at relatively small strains and leads to a decrease in the rigidity of relaxing regions at larger strains.",

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AB - Constitutive equations were derived for the uniaxial loading of glassy polymers in the sub-yield region. The model correctly predicts experimental data in tensile relaxation tests for virgin polypropylene specimens and for samples subjected to cyclic preloading. The preloading induces dramatic changes in the initial Young modulus and the rate of rearrangement R. Fatigue results in work hardening at relatively small strains and leads to a decrease in the rigidity of relaxing regions at larger strains.

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U2 - 10.1016/S0093-6413(00)00093-8

DO - 10.1016/S0093-6413(00)00093-8

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SP - 281

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JO - Mechanics Research Communications

JF - Mechanics Research Communications

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Nonlinear viscoelasticity and fatigue of glassy polymers

Abstract

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