Micromechanical Analysis of Single-Fiber Pull-Out Test of Fiber-Reinforced Viscoelastic Matrix Composites

Da Sheng Zhu; Bo Qin Gu

doi:10.4028/www.scientific.net/AMR.399-401.556

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401Micromechanical Analysis of Single-Fiber Pull-Out...

Micromechanical Analysis of Single-Fiber Pull-Out Test of Fiber-Reinforced Viscoelastic Matrix Composites

Abstract:

A micromechanical model for single-fiber pull-out test of fiber-reinforced viscoelastic matrix composites is established. It includes fiber, interphase and viscoelastic matrix. The formulas to calculate the fiber axial stress, the interphase shear stress, and the matrix axial and shear stress are obtained. Moreover, for Kevlar aramid fiber reinforced viscoelastic matrix composites, the influences of the interphase thickness, the fiber embedded length and volume fraction on the stress distributions of fiber and interphase is studied. Some analysis results show that, with the increase of normalized fiber axial distance, the fiber axial stress increases monotonically, but the interphase shear stress decreases. The stress distributions of fiber and interphase change with the variation of the interphase thickness, the fiber embedded length and volume fraction.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

556-560

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.556

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Online since:

November 2011

Authors:

Da Sheng Zhu, Bo Qin Gu

Keywords:

Interphase, Micromechanics, Single-Fiber Pull-Out, Viscoelastic Matrix Composites

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