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Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading

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Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading. / Yang, Dongmin; Sheng, Yong; Ye, Jianqiao.
In: IOP Conference Series: Materials Science and Engineering, Vol. 40, No. 1, 2012.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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Yang D, Sheng Y, Ye J. Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading. IOP Conference Series: Materials Science and Engineering. 2012;40(1). doi: 10.1088/1757-899X/40/1/012029

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Yang, Dongmin ; Sheng, Yong ; Ye, Jianqiao. / Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading. In: IOP Conference Series: Materials Science and Engineering. 2012 ; Vol. 40, No. 1.

Bibtex

@article{cc31fd20b0b0479ba0e9dbe8bcec3691,
title = "Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading",
abstract = "The progressive damage in cross-ply laminates was modeled by discrete element method (DEM). A particle radius expansion method was used to account for thermal loading applied to cross-ply laminates in which nominal fibers were introduced in the 0° plies so as to achieve the anisotropic thermal expansion behaviors. A series of convergence and validation tests of both mechanical and thermal properties of the 0° plies with nominal fibers have been carried out in order to validate the method. The DEM results of interfacial stress distribution of cross-ply laminates under pure thermal loading and under coupled thermal/mechanical loading were compared with other theoretical predictions. Microstructure of 90° plies was also studied by the DEM model. Transverse cracking which was formed by the coalescence of micro cracks in matrix and at fiber/matrix interface has been observed in the modeling results together with the ply-ply delaminations. It was found that the DEM model can predict not only the stress distribution but also the progressive damage initialized from the constituent failure due to its multi scale nature.",
author = "Dongmin Yang and Yong Sheng and Jianqiao Ye",
year = "2012",
doi = "10.1088/1757-899X/40/1/012029",
language = "English",
volume = "40",
journal = "IOP Conference Series: Materials Science and Engineering",
issn = "1757-8981",
publisher = "IOP Publishing Ltd.",
number = "1",

}

RIS

TY - JOUR

T1 - Multi-scale modeling of the progressive damage in cross-ply laminates under thermal and mechanical loading

AU - Yang, Dongmin

AU - Sheng, Yong

AU - Ye, Jianqiao

PY - 2012

Y1 - 2012

N2 - The progressive damage in cross-ply laminates was modeled by discrete element method (DEM). A particle radius expansion method was used to account for thermal loading applied to cross-ply laminates in which nominal fibers were introduced in the 0° plies so as to achieve the anisotropic thermal expansion behaviors. A series of convergence and validation tests of both mechanical and thermal properties of the 0° plies with nominal fibers have been carried out in order to validate the method. The DEM results of interfacial stress distribution of cross-ply laminates under pure thermal loading and under coupled thermal/mechanical loading were compared with other theoretical predictions. Microstructure of 90° plies was also studied by the DEM model. Transverse cracking which was formed by the coalescence of micro cracks in matrix and at fiber/matrix interface has been observed in the modeling results together with the ply-ply delaminations. It was found that the DEM model can predict not only the stress distribution but also the progressive damage initialized from the constituent failure due to its multi scale nature.

AB - The progressive damage in cross-ply laminates was modeled by discrete element method (DEM). A particle radius expansion method was used to account for thermal loading applied to cross-ply laminates in which nominal fibers were introduced in the 0° plies so as to achieve the anisotropic thermal expansion behaviors. A series of convergence and validation tests of both mechanical and thermal properties of the 0° plies with nominal fibers have been carried out in order to validate the method. The DEM results of interfacial stress distribution of cross-ply laminates under pure thermal loading and under coupled thermal/mechanical loading were compared with other theoretical predictions. Microstructure of 90° plies was also studied by the DEM model. Transverse cracking which was formed by the coalescence of micro cracks in matrix and at fiber/matrix interface has been observed in the modeling results together with the ply-ply delaminations. It was found that the DEM model can predict not only the stress distribution but also the progressive damage initialized from the constituent failure due to its multi scale nature.

U2 - 10.1088/1757-899X/40/1/012029

DO - 10.1088/1757-899X/40/1/012029

M3 - Journal article

VL - 40

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

SN - 1757-8981

IS - 1

ER -