Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study
Elasto-plastic models for composites can be classified into three categories in terms of a length scale, i.e., macro scale, meso scale, and micro scale (micromechanics) models. In general, a so-called multi-scale model is a combination of those at various length scales with a micromechanics one as t...
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MDPI AG
2018-10-01
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author | Yanchao Wang ZhengMing Huang |
author_facet | Yanchao Wang ZhengMing Huang |
author_sort | Yanchao Wang |
collection | DOAJ |
description | Elasto-plastic models for composites can be classified into three categories in terms of a length scale, i.e., macro scale, meso scale, and micro scale (micromechanics) models. In general, a so-called multi-scale model is a combination of those at various length scales with a micromechanics one as the foundation. In this paper, a critical review is made for the elastoplastic models at the micro scale, and a comparative study is carried out on most popular analytical micromechanics models for the elastoplastic behavior of long fibrous composites subjected to a static load, meaning that creep and dynamic response are not concerned. Each model has been developed essentially following three steps, i.e., an elastic homogenization, a rule to define the yielding of a constituent phase, and a linearization for the elastoplastic response. The comparison is made for all of the three aspects. Effects of other issues, such as the stress field fluctuation induced by a high contrast heterogeneity, the stress concentration factors in the matrix, and the different approaches to a plastic Eshelby tensor, are addressed as well. Correlation of the predictions by different models with available experimental data is shown. |
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issn | 1996-1944 |
language | English |
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spelling | doaj.art-d2e0493b4248428fbbae866e6005f58a2022-12-22T03:06:51ZengMDPI AGMaterials1996-19442018-10-011110191910.3390/ma11101919ma11101919Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative StudyYanchao Wang0ZhengMing Huang1School of Aerospace Engineering and Applied Mechanics, Tongji University, 1239 Siping Road, Shanghai 200092, ChinaSchool of Aerospace Engineering and Applied Mechanics, Tongji University, 1239 Siping Road, Shanghai 200092, ChinaElasto-plastic models for composites can be classified into three categories in terms of a length scale, i.e., macro scale, meso scale, and micro scale (micromechanics) models. In general, a so-called multi-scale model is a combination of those at various length scales with a micromechanics one as the foundation. In this paper, a critical review is made for the elastoplastic models at the micro scale, and a comparative study is carried out on most popular analytical micromechanics models for the elastoplastic behavior of long fibrous composites subjected to a static load, meaning that creep and dynamic response are not concerned. Each model has been developed essentially following three steps, i.e., an elastic homogenization, a rule to define the yielding of a constituent phase, and a linearization for the elastoplastic response. The comparison is made for all of the three aspects. Effects of other issues, such as the stress field fluctuation induced by a high contrast heterogeneity, the stress concentration factors in the matrix, and the different approaches to a plastic Eshelby tensor, are addressed as well. Correlation of the predictions by different models with available experimental data is shown.http://www.mdpi.com/1996-1944/11/10/1919fibrous compositesanalytical modelsmicromechanicselastoplastic behavior |
spellingShingle | Yanchao Wang ZhengMing Huang Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study Materials fibrous composites analytical models micromechanics elastoplastic behavior |
title | Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study |
title_full | Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study |
title_fullStr | Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study |
title_full_unstemmed | Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study |
title_short | Analytical Micromechanics Models for Elastoplastic Behavior of Long Fibrous Composites: A Critical Review and Comparative Study |
title_sort | analytical micromechanics models for elastoplastic behavior of long fibrous composites a critical review and comparative study |
topic | fibrous composites analytical models micromechanics elastoplastic behavior |
url | http://www.mdpi.com/1996-1944/11/10/1919 |
work_keys_str_mv | AT yanchaowang analyticalmicromechanicsmodelsforelastoplasticbehavioroflongfibrouscompositesacriticalreviewandcomparativestudy AT zhengminghuang analyticalmicromechanicsmodelsforelastoplasticbehavioroflongfibrouscompositesacriticalreviewandcomparativestudy |