Aging-impact coupling based analysis upon glass/polyester composite material in hygrothermal environment

Boukhoulda, Farouk Benallel; Guillaumat, Laurent; Lataillade, Jean-Luc; Adda-Bedia, E.A.; Lousdad, Abdelkader

doi:10.1016/j.matdes.2011.03.009

Cited by 34 publications

(24 citation statements)

References 19 publications

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“…The authors reported the Langmuir model to be particularly effective. Other researchers also found the one‐dimensional hindered diffusion model (HDM) to better describe the anomalous deviation from a Fickian behavior, and have demonstrated the ability to successfully predict both short‐ and long‐term moisture absorption in polymeric materials. A 5‐year validation study showed that the HDM parameters recovered from 2‐year long absorption experiments allowed accurate prediction of 5‐year absorption behavior of 6‐, 12‐, and 40‐ply, quartz/BMI composites .…”

Section: Introductionmentioning

confidence: 99%

“…They also proposed an analytical approximate solution and two “useful” approximate solutions for two distinct regions of the moisture uptake curve: (a) for the initial absorption region and (b) for the long‐term absorption region. Because of their relative simplicity compared to the exact solution, the majority of researchers have used these “useful” approximate solutions to recover the absorption parameters . However, the approximate solutions of the 1D HDM are valid only under certain conditions.…”

Section: Introductionmentioning

confidence: 99%

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Fast recovery of non-fickian moisture absorption parameters for polymers and polymer composites

2016

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Moisture absorption is known to detrimentally affect the mechanical integrity and durability of polymeric materials. Consequently, accurately characterizing the moisture diffusion into these materials is critical when predicting their service life behavior. The hindered diffusion model (HDM), that is, Langmuir-type absorption, has been widely used to successfully describe both Fickian and anomalous absorption behavior of polymeric materials. In this article, proper use of both exact and approximate solutions of the HDM model is illustrated on two material systems: nanoclay/epoxy composites and thin epoxy laminates. A parameter recovery technique, based on a modified version of the steepest descent search, is shown to accurately recover all absorption parameters simultaneously from experimental data. The absorption behavior predicted by the recovered parameters is then validated by long-term absorption data not used in the recovery process. The errors induced by approximate solutions are observed to be material-dependent and could be substantially larger compared to the exact solution. In addition, a novel method to computationally accelerate the recovery of the absorption parameters is proposed. The new technique uses the approximate absorption parameters as the initial guess. It is shown that this approach substantially reduces the computational effort by decreasing the number of iterations without compromising from accuracy. POLYM. ENG. SCI.,

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fast recovery of non-fickian moisture absorption parameters for polymers and polymer composites

2016

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“…The low styrene resins appeared to lose strength more slowly than the standard resins. Boukhoulda et al [10] investigated aging‐impact coupling upon the polyester matrix E‐glass fibers composite materials in hygrothermal environment. Laminate composite plates were aged in an artificial hygrothermal environment using a climatic chamber at 50°C temperature and 95% of relative humidity.…”

Section: Introductionmentioning

confidence: 99%

Effects of heat accelerated aging on tensile strength of three dimensional braided/epoxy resin composites

Song

2012

Polymer Composites

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The tensile tests of three‐dimensional (3Dim) and four‐directional (4Dir) carbon fiber braided/epoxy resin composites and carbon fiber woven plain fabric laminated/epoxy composites after heat accelerated aging at 150 and 180°C for 60, 120, and 180 h were carried out respectively. The reason of the changes of tensile property of these composites after different aging period of time at different high temperature was explained. The results of two‐way ANOVA analyzing indicate that the aging time has a significant effect on tensile strength of these composites. With the increase of accelerated aging period of time at high temperature, the tensile strengths of these composite samples decreased compared with that of composite samples without aging. However the decrease of tensile strength of 3Dim and 4Dir braided composites is less than that of laminated composites. One of the reasons is after aging for a long time at high temperature, the resin is damaged and becomes brittle which make the bonding force between fiber and resin decrease. Another reason is the structure of reinforcement of composites. After aging, the structure of 3Dim and 4Dir braided/epoxy resin composites still keeps the integrity which makes the 3Dim and 4Dir composites have less tensile performance degradation (3Dim and 4 Dir: three‐dimensional and four‐directional). POLYM. COMPOS., 2012. © 2012 Society of Plastics Engineers

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“…Tsotsis et al [5] observed that FRP specimens' aging process was significantly accelerated when the material was subjected to large pressure magnitudes (especially in those with [±45°] 2s layup, which were subjected to a tensile load). Boukhoulda et al [6] subjected artificially aged E-glass/polyester composite plates to impact forces by means of a drop-mass. They reported the non-Fickian and Langmuir-type characteristics of the moisture absorption kinetics of the plate specimens.…”

Section: Brief Review Of the Relevant Researchmentioning

confidence: 99%

Experimental investigation of the effect of aging on perforated composite tubes under axial compressive loading

Eslami¹,

Esmaeel²,

Taheri‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬³

2013

Advanced Composite Materials

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Aging-impact coupling based analysis upon glass/polyester composite material in hygrothermal environment

Cited by 34 publications

References 19 publications

Fast recovery of non-fickian moisture absorption parameters for polymers and polymer composites

Fast recovery of non-fickian moisture absorption parameters for polymers and polymer composites

Effects of heat accelerated aging on tensile strength of three dimensional braided/epoxy resin composites

Experimental investigation of the effect of aging on perforated composite tubes under axial compressive loading

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