Cyclic creep and recovery behaviour of glass fibre reinforced epoxy composite

Lovrenić-Jugović, Martina and Tonković, Zdenko and Slokar, Ljerka (2014) Cyclic creep and recovery behaviour of glass fibre reinforced epoxy composite. = Cyclic creep and recovery behaviour of glass fibre reinforced epoxy composite. In: 12th International Conference on Fracture and Damage Mechanics, FDM 2013, 17-19.09.2013., Sardinia; Italy.

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Abstract

This paper presents the results of an experimental and numerical investigation of the tensile behaviour of glass fibre reinforced epoxy composite for incremental and cyclic creep-recovery load conditions. The proposed constitutive model incorporates linear viscoelasticity coupled with damage and viscoplasticity for prediction of the creep-recovery responses. The material parameters are determined by fitting the experimental results. Scanning electron microscopy (SEM) of composite fracture surfaces is performed to explain the failure mechanisms. A computational algorithm for the integration of the proposed constitutive model at the material point level is derived and implemented into the finite element code ABAQUS. The model predictions are found to be in good agreement with the experimental data. © (2014) Trans Tech Publications.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): Composite fracture surfaces; Computational algorithm; Creep-recovery; Damage; Glass fibre reinforced; Numerical investigations; SEM analysis; Short-fiber-filled epoxy; ABAQUS; Constitutive models; Creep; Elasticity; Experiments; Finite element method; Fracture; Glass fibers; Plasticity; Reinforcement; Scanning electron microscopy; Tensile strength; Viscoelasticity; Viscoplasticity; Recovery
Subjects: TECHNICAL SCIENCE > Metallurgy
TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 200 Department of Engineering Mechanics > 210 Chair of Mechanics and Strength of Materials
Indexed in Web of Science: No
Indexed in Current Contents: No
Citations SCOPUS: 0 (25.5.2015.)
Date Deposited: 25 May 2015 12:56
Last Modified: 25 May 2015 12:56
URI: http://repozitorij.fsb.hr/id/eprint/4293

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