Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites

M. Gosz; B. Moran; J. D. Achenbach

doi:10.1016/0020-7683(91)90011-4

Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites

M. Gosz^*, B. Moran, J. D. Achenbach

^*Corresponding author for this work

Civil and Environmental Engineering

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

42 Scopus citations

Abstract

In this paper we investigate the effect of a viscoelastic interfacial zone on the mechanical behavior of a transversely loaded tiber-reinforced composite. A simple linearly viscoelastic model is used to characterize the stiffness and viscosity of the interface separating the libers and the matrix. The mechanical response is obtained using the finite element method and calculations are carried out for a unit cell in a periodic array of hexagonally packed fibers. An approximate representation of the time-dependent macroscopic behavior of the composite is derived analytically and compared with the numerical results. From a micromechanical perspective, the influence of interfacial stress relaxation on the stress fields in the matrix material contiguous to the interface is also examined.

Original language	English (US)
Pages (from-to)	1757-1771
Number of pages	15
Journal	International Journal of Solids and Structures
Volume	27
Issue number	14
DOIs	https://doi.org/10.1016/0020-7683(91)90011-4
State	Published - 1991

ASJC Scopus subject areas

Modeling and Simulation
General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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10.1016/0020-7683(91)90011-4

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title = "Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites",

abstract = "In this paper we investigate the effect of a viscoelastic interfacial zone on the mechanical behavior of a transversely loaded tiber-reinforced composite. A simple linearly viscoelastic model is used to characterize the stiffness and viscosity of the interface separating the libers and the matrix. The mechanical response is obtained using the finite element method and calculations are carried out for a unit cell in a periodic array of hexagonally packed fibers. An approximate representation of the time-dependent macroscopic behavior of the composite is derived analytically and compared with the numerical results. From a micromechanical perspective, the influence of interfacial stress relaxation on the stress fields in the matrix material contiguous to the interface is also examined.",

author = "M. Gosz and B. Moran and Achenbach, {J. D.}",

note = "Funding Information: Acknowledgements-This work was carried out in the course ofresearch sponsored by the U.S. Navy (Contract No. NOOOI4-86-K-0799) under Subcontract No. 89-122 to Northwestern University. Helpful discussions with Professor Z. Hashin, Dr Han Zhu and Professor I. M. Daniel are gratefully acknowledged.",

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T1 - Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites

AU - Gosz, M.

AU - Moran, B.

AU - Achenbach, J. D.

N1 - Funding Information: Acknowledgements-This work was carried out in the course ofresearch sponsored by the U.S. Navy (Contract No. NOOOI4-86-K-0799) under Subcontract No. 89-122 to Northwestern University. Helpful discussions with Professor Z. Hashin, Dr Han Zhu and Professor I. M. Daniel are gratefully acknowledged.

PY - 1991

Y1 - 1991

N2 - In this paper we investigate the effect of a viscoelastic interfacial zone on the mechanical behavior of a transversely loaded tiber-reinforced composite. A simple linearly viscoelastic model is used to characterize the stiffness and viscosity of the interface separating the libers and the matrix. The mechanical response is obtained using the finite element method and calculations are carried out for a unit cell in a periodic array of hexagonally packed fibers. An approximate representation of the time-dependent macroscopic behavior of the composite is derived analytically and compared with the numerical results. From a micromechanical perspective, the influence of interfacial stress relaxation on the stress fields in the matrix material contiguous to the interface is also examined.

AB - In this paper we investigate the effect of a viscoelastic interfacial zone on the mechanical behavior of a transversely loaded tiber-reinforced composite. A simple linearly viscoelastic model is used to characterize the stiffness and viscosity of the interface separating the libers and the matrix. The mechanical response is obtained using the finite element method and calculations are carried out for a unit cell in a periodic array of hexagonally packed fibers. An approximate representation of the time-dependent macroscopic behavior of the composite is derived analytically and compared with the numerical results. From a micromechanical perspective, the influence of interfacial stress relaxation on the stress fields in the matrix material contiguous to the interface is also examined.

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ER -

Effect of a viscoelastic interface on the transverse behavior of fiber-reinforced composites

Abstract

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