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    Rights statement: This is the author’s version of a work that was accepted for publication in Composite Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composite Structures, 279, 2021 DOI: 10.1016/j.compstruct.2021.114856

    Accepted author manuscript, 3.28 MB, PDF document

    Embargo ends: 22/10/22

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Microscale damage evolutions in fiber-reinforced composites with different initial defects

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Microscale damage evolutions in fiber-reinforced composites with different initial defects. / Ye, J.; Hong, Y.; Liu, L.; Cai, H.; He, W.; Huang, B.; Saafi, M.; Wang, Y.; Ye, Jianqiao.

In: Composite Structures, Vol. 279, 114856, 01.01.2022.

Research output: Contribution to journalJournal articlepeer-review

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Ye, J. ; Hong, Y. ; Liu, L. ; Cai, H. ; He, W. ; Huang, B. ; Saafi, M. ; Wang, Y. ; Ye, Jianqiao. / Microscale damage evolutions in fiber-reinforced composites with different initial defects. In: Composite Structures. 2022 ; Vol. 279.

Bibtex

@article{9f67297ab2dd452c8fcf32d8341e89af,
title = "Microscale damage evolutions in fiber-reinforced composites with different initial defects",
abstract = "In this study, an effective microscale model for fiber-reinforced composites with initial damages is presented to investigate local stress distribution and damage evolution at constitutive material level. To validate the proposed numerical model, experimental data of uniaxial stress–strain responses and off-axis failure strength are employed for a comparison, and a good agreement by comparing with numerical results can be found. To represent the microscale damage evolution in the representative volume element, stiffness degradation coefficients are subtly applied to describe the failure sub-cells. Moreover, microscale damage evolutions and local stress distribution in the composites subjected to uniaxial and biaxial loads are both investigated. The effect of three different modes of initial damage in the composites are studied. The influences of the distribution, location and orientation of initial damage on damage evolutions are also studied. ",
keywords = "Composites, Initial damages, Microscale damage evolution, Stiffness degradation, Reinforcement, Stiffness, Stress concentration, Constitutive materials, Damage evolution, Fibre-reinforced composite, In-fiber, Initial damage, Initial defects, Local stress distribution, Micro scale models, Fiber reinforced plastics",
author = "J. Ye and Y. Hong and L. Liu and H. Cai and W. He and B. Huang and M. Saafi and Y. Wang and Jianqiao Ye",
note = "This is the author{\textquoteright}s version of a work that was accepted for publication in Composite Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composite Structures, 279, 2021 DOI: 10.1016/j.compstruct.2021.114856",
year = "2022",
month = jan,
day = "1",
doi = "10.1016/j.compstruct.2021.114856",
language = "English",
volume = "279",
journal = "Composite Structures",
issn = "0263-8223",
publisher = "Elsevier Ltd",

}

RIS

TY - JOUR

T1 - Microscale damage evolutions in fiber-reinforced composites with different initial defects

AU - Ye, J.

AU - Hong, Y.

AU - Liu, L.

AU - Cai, H.

AU - He, W.

AU - Huang, B.

AU - Saafi, M.

AU - Wang, Y.

AU - Ye, Jianqiao

N1 - This is the author’s version of a work that was accepted for publication in Composite Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composite Structures, 279, 2021 DOI: 10.1016/j.compstruct.2021.114856

PY - 2022/1/1

Y1 - 2022/1/1

N2 - In this study, an effective microscale model for fiber-reinforced composites with initial damages is presented to investigate local stress distribution and damage evolution at constitutive material level. To validate the proposed numerical model, experimental data of uniaxial stress–strain responses and off-axis failure strength are employed for a comparison, and a good agreement by comparing with numerical results can be found. To represent the microscale damage evolution in the representative volume element, stiffness degradation coefficients are subtly applied to describe the failure sub-cells. Moreover, microscale damage evolutions and local stress distribution in the composites subjected to uniaxial and biaxial loads are both investigated. The effect of three different modes of initial damage in the composites are studied. The influences of the distribution, location and orientation of initial damage on damage evolutions are also studied.

AB - In this study, an effective microscale model for fiber-reinforced composites with initial damages is presented to investigate local stress distribution and damage evolution at constitutive material level. To validate the proposed numerical model, experimental data of uniaxial stress–strain responses and off-axis failure strength are employed for a comparison, and a good agreement by comparing with numerical results can be found. To represent the microscale damage evolution in the representative volume element, stiffness degradation coefficients are subtly applied to describe the failure sub-cells. Moreover, microscale damage evolutions and local stress distribution in the composites subjected to uniaxial and biaxial loads are both investigated. The effect of three different modes of initial damage in the composites are studied. The influences of the distribution, location and orientation of initial damage on damage evolutions are also studied.

KW - Composites

KW - Initial damages

KW - Microscale damage evolution

KW - Stiffness degradation

KW - Reinforcement

KW - Stiffness

KW - Stress concentration

KW - Constitutive materials

KW - Damage evolution

KW - Fibre-reinforced composite

KW - In-fiber

KW - Initial damage

KW - Initial defects

KW - Local stress distribution

KW - Micro scale models

KW - Fiber reinforced plastics

U2 - 10.1016/j.compstruct.2021.114856

DO - 10.1016/j.compstruct.2021.114856

M3 - Journal article

VL - 279

JO - Composite Structures

JF - Composite Structures

SN - 0263-8223

M1 - 114856

ER -