Failure model for rate-dependent polymer matrix composite laminates under high-velocity impact

Linfa Zhu; Aditi Chattopadhyay; Robert K. Goldberg

doi:10.1061/(ASCE)0893-1321(2008)21:3(132)

Failure model for rate-dependent polymer matrix composite laminates under high-velocity impact

Linfa Zhu, Aditi Chattopadhyay, Robert K. Goldberg

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

14 Scopus citations

Abstract

A modified Hashin failure model is developed to characterize different failure modes related to high-velocity impact of composite laminates. Hashin's compressive fiber failure mode has been extended to consider the shear stress effect. Several micromechanics-based degradation rules are developed and applied to the stress and material property calculations according to different failure modes after the corresponding failure criterion is satisfied. This model has been implemented into a recently developed micromechanics model. Computational results show that this model is able to address shear failure, delamination, and tearing failure observed in the high-velocity impact of composite laminates.

Original language	English (US)
Pages (from-to)	132-139
Number of pages	8
Journal	Journal of Aerospace Engineering
Volume	21
Issue number	3
DOIs	https://doi.org/10.1061/(ASCE)0893-1321(2008)21:3(132)
State	Published - 2008

Keywords

Composite materials
Failure modes
Laminates
Polymers
Velocity

ASJC Scopus subject areas

Civil and Structural Engineering
Materials Science(all)
Aerospace Engineering
Mechanical Engineering

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abstract = "A modified Hashin failure model is developed to characterize different failure modes related to high-velocity impact of composite laminates. Hashin's compressive fiber failure mode has been extended to consider the shear stress effect. Several micromechanics-based degradation rules are developed and applied to the stress and material property calculations according to different failure modes after the corresponding failure criterion is satisfied. This model has been implemented into a recently developed micromechanics model. Computational results show that this model is able to address shear failure, delamination, and tearing failure observed in the high-velocity impact of composite laminates.",

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AU - Chattopadhyay, Aditi

AU - Goldberg, Robert K.

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N2 - A modified Hashin failure model is developed to characterize different failure modes related to high-velocity impact of composite laminates. Hashin's compressive fiber failure mode has been extended to consider the shear stress effect. Several micromechanics-based degradation rules are developed and applied to the stress and material property calculations according to different failure modes after the corresponding failure criterion is satisfied. This model has been implemented into a recently developed micromechanics model. Computational results show that this model is able to address shear failure, delamination, and tearing failure observed in the high-velocity impact of composite laminates.

AB - A modified Hashin failure model is developed to characterize different failure modes related to high-velocity impact of composite laminates. Hashin's compressive fiber failure mode has been extended to consider the shear stress effect. Several micromechanics-based degradation rules are developed and applied to the stress and material property calculations according to different failure modes after the corresponding failure criterion is satisfied. This model has been implemented into a recently developed micromechanics model. Computational results show that this model is able to address shear failure, delamination, and tearing failure observed in the high-velocity impact of composite laminates.

KW - Composite materials

KW - Failure modes

KW - Laminates

KW - Polymers

KW - Velocity

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Failure model for rate-dependent polymer matrix composite laminates under high-velocity impact

Abstract

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