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Continuum Physics of Materials with Time-Dependent Properties

Mokarram Hossain Orcid Logo, Paul Steinmann

Advances in Applied Mechanics, Volume: 48, Pages: 141 - 259

Swansea University Author: Mokarram Hossain Orcid Logo

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DOI (Published version): 10.1016/bs.aams.2015.10.003

Abstract

A temporal evolution of material parameters may appear in many fields; as a paradigm the curing process of polymeric materials is here considered. Thereby, a systematic overview is presented in this contribution whereby modeling various aspects of the polymer curing process under different types of...

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Published in: Advances in Applied Mechanics
ISBN: 9780128021286
ISSN: 0065-2156
Published: London Elsevier 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa38889
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first_indexed 2018-02-27T19:48:52Z
last_indexed 2019-07-18T21:10:40Z
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spelling v2 38889 2018-02-27 Continuum Physics of Materials with Time-Dependent Properties 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2018-02-27 GENG A temporal evolution of material parameters may appear in many fields; as a paradigm the curing process of polymeric materials is here considered. Thereby, a systematic overview is presented in this contribution whereby modeling various aspects of the polymer curing process under different types of loads are investigated. Physically based, small and finite strain curing models have been developed that can work under a purely mechanical load where the time dependence of the material parameters appearing in the models are considered. The curing process of polymers under a purely mechanical load is a complex phenomenon involving a series of chemical reactions which transform a viscoelastic fluid into a viscoelastic solid during which the temperature, the chemistry and the mechanics are coupled. To work under various classes of coupled loads, e.g., thermomechanical, magnetomechanical, and electromechanical loads, the initially developed modeling framework suited for a mechanical load is extended. Thereby, capturing the curing process in the presence of a magnetomechanical or an electromechanical load becomes even more challenging. In the current contribution, thermodynamically consistent small and finite strain constitutive frameworks are revisited which are based either on a direct time-dependent formulation or on a degree of cure-dependent formulation. The degree of cure is a key parameter in the curing (reaction) kinetics. Both our mechanical and several coupled modeling frameworks are in line with a rate-type hypoelastic approach. Some representative numerical examples are discussed under various forms of mechanical and nonmechanical loads which show the capability of different constitutive formulations to capture major phenomena observed during the curing process of polymers. Book chapter Advances in Applied Mechanics 48 141 259 Elsevier London 9780128021286 0065-2156 Curing, Shrinkage, Degree of cure, Thermomechanical problem, Magnetomechanical problem, Electromechanical problem 1 1 2015 2015-01-01 10.1016/bs.aams.2015.10.003 http://dx.doi.org/10.1016/bs.aams.2015.10.003 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2023-06-02T15:07:15.3257031 2018-02-27T15:17:52.6107892 Faculty of Science and Engineering Mokarram Hossain 0000-0002-4616-1104 1 Paul Steinmann 2
title Continuum Physics of Materials with Time-Dependent Properties
spellingShingle Continuum Physics of Materials with Time-Dependent Properties
Mokarram Hossain
title_short Continuum Physics of Materials with Time-Dependent Properties
title_full Continuum Physics of Materials with Time-Dependent Properties
title_fullStr Continuum Physics of Materials with Time-Dependent Properties
title_full_unstemmed Continuum Physics of Materials with Time-Dependent Properties
title_sort Continuum Physics of Materials with Time-Dependent Properties
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Mokarram Hossain
Paul Steinmann
format Book chapter
container_title Advances in Applied Mechanics
container_volume 48
container_start_page 141
publishDate 2015
institution Swansea University
isbn 9780128021286
issn 0065-2156
doi_str_mv 10.1016/bs.aams.2015.10.003
publisher Elsevier
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
url http://dx.doi.org/10.1016/bs.aams.2015.10.003
document_store_str 0
active_str 0
description A temporal evolution of material parameters may appear in many fields; as a paradigm the curing process of polymeric materials is here considered. Thereby, a systematic overview is presented in this contribution whereby modeling various aspects of the polymer curing process under different types of loads are investigated. Physically based, small and finite strain curing models have been developed that can work under a purely mechanical load where the time dependence of the material parameters appearing in the models are considered. The curing process of polymers under a purely mechanical load is a complex phenomenon involving a series of chemical reactions which transform a viscoelastic fluid into a viscoelastic solid during which the temperature, the chemistry and the mechanics are coupled. To work under various classes of coupled loads, e.g., thermomechanical, magnetomechanical, and electromechanical loads, the initially developed modeling framework suited for a mechanical load is extended. Thereby, capturing the curing process in the presence of a magnetomechanical or an electromechanical load becomes even more challenging. In the current contribution, thermodynamically consistent small and finite strain constitutive frameworks are revisited which are based either on a direct time-dependent formulation or on a degree of cure-dependent formulation. The degree of cure is a key parameter in the curing (reaction) kinetics. Both our mechanical and several coupled modeling frameworks are in line with a rate-type hypoelastic approach. Some representative numerical examples are discussed under various forms of mechanical and nonmechanical loads which show the capability of different constitutive formulations to capture major phenomena observed during the curing process of polymers.
published_date 2015-01-01T15:07:13Z
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score 11.012678

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