Creep rupture and viscoelastoplasticity of polypropylene

A. D. Drozdov

doi:10.1016/j.engfracmech.2010.05.010

Creep rupture and viscoelastoplasticity of polypropylene

A. D. Drozdov

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

52 Scopus citations

Abstract

Observations are reported on isotactic polypropylene in tensile tests with various strain rates, relaxation tests at various strains, and creep tests with various stresses at room temperature. Constitutive equations are derived for the viscoelastic and viscoplastic responses of semicrystalline polymers at three-dimensional deformations with small strains. The stress-strain relations involve eight material constants that are found by fitting the experimental data. The model is applied to the numerical analysis of creep failure of polypropylene under various deformation modes (uniaxial tension, equi-biaxial tension, shear, multiple-step creep tests).

Original language	English
Pages (from-to)	2277-2293
Number of pages	17
Journal	Engineering Fracture Mechanics
Volume	77
Issue number	12
DOIs	https://doi.org/10.1016/j.engfracmech.2010.05.010
State	Published - 1 Aug 2010
Externally published	Yes

Keywords

Constitutive model
Creep failure
Polypropylene
Viscoelasticity
Viscoplasticity

ASJC Scopus subject areas

Materials Science (all)
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.engfracmech.2010.05.010

Cite this

@article{e62e9d5ae83f4f3ea683ad4c1b01a859,

title = "Creep rupture and viscoelastoplasticity of polypropylene",

abstract = "Observations are reported on isotactic polypropylene in tensile tests with various strain rates, relaxation tests at various strains, and creep tests with various stresses at room temperature. Constitutive equations are derived for the viscoelastic and viscoplastic responses of semicrystalline polymers at three-dimensional deformations with small strains. The stress-strain relations involve eight material constants that are found by fitting the experimental data. The model is applied to the numerical analysis of creep failure of polypropylene under various deformation modes (uniaxial tension, equi-biaxial tension, shear, multiple-step creep tests).",

keywords = "Constitutive model, Creep failure, Polypropylene, Viscoelasticity, Viscoplasticity",

author = "Drozdov, {A. D.}",

note = "Funding Information: Financial support by the European Commission through project Nanotough-213436 is gratefully acknowledged.",

year = "2010",

month = aug,

day = "1",

doi = "10.1016/j.engfracmech.2010.05.010",

language = "English",

volume = "77",

pages = "2277--2293",

journal = "Engineering Fracture Mechanics",

issn = "0013-7944",

publisher = "Elsevier BV",

number = "12",

}

TY - JOUR

T1 - Creep rupture and viscoelastoplasticity of polypropylene

AU - Drozdov, A. D.

N1 - Funding Information: Financial support by the European Commission through project Nanotough-213436 is gratefully acknowledged.

PY - 2010/8/1

Y1 - 2010/8/1

N2 - Observations are reported on isotactic polypropylene in tensile tests with various strain rates, relaxation tests at various strains, and creep tests with various stresses at room temperature. Constitutive equations are derived for the viscoelastic and viscoplastic responses of semicrystalline polymers at three-dimensional deformations with small strains. The stress-strain relations involve eight material constants that are found by fitting the experimental data. The model is applied to the numerical analysis of creep failure of polypropylene under various deformation modes (uniaxial tension, equi-biaxial tension, shear, multiple-step creep tests).

AB - Observations are reported on isotactic polypropylene in tensile tests with various strain rates, relaxation tests at various strains, and creep tests with various stresses at room temperature. Constitutive equations are derived for the viscoelastic and viscoplastic responses of semicrystalline polymers at three-dimensional deformations with small strains. The stress-strain relations involve eight material constants that are found by fitting the experimental data. The model is applied to the numerical analysis of creep failure of polypropylene under various deformation modes (uniaxial tension, equi-biaxial tension, shear, multiple-step creep tests).

KW - Constitutive model

KW - Creep failure

KW - Polypropylene

KW - Viscoelasticity

KW - Viscoplasticity

UR - http://www.scopus.com/inward/record.url?scp=77954176116&partnerID=8YFLogxK

U2 - 10.1016/j.engfracmech.2010.05.010

DO - 10.1016/j.engfracmech.2010.05.010

M3 - Article

AN - SCOPUS:77954176116

SN - 0013-7944

VL - 77

SP - 2277

EP - 2293

JO - Engineering Fracture Mechanics

JF - Engineering Fracture Mechanics

IS - 12

ER -

Creep rupture and viscoelastoplasticity of polypropylene

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this