Modeling creep in polymeric composites: Developing a general integrated procedure

Rafiee, Roham; Mazhari, Behzad

doi:10.1016/j.ijmecsci.2015.05.011

Cited by 36 publications

(17 citation statements)

References 23 publications

(52 reference statements)

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“…In a previous study by the same authors [18], developed creep modelling component is examined for a plate in comparison with experimental data for a period of 10 5 minutes. The applicability of the creep modelling components is also evaluated for a cylindrical structure for the same duration.…”

Section: Resultsmentioning

confidence: 99%

“…A very good agreement between the trend of polyester resin behavior and epoxy resin behavior in those two regions established our confidence toward the acceptable accuracy of obtained generic master curve. This method has been successfully applied to another research [18]. It should be pointed out that very more accurate results can be obtained using original master curve for the specific polyester resin used in the wall construction of investigated GFRP pipes.…”

Section: Creep Modelingmentioning

confidence: 99%

“…Developed creep modeling procedure for composite structures was extensively discussed and validated in a previously published article by the same authors [18]. A brief explanation of developed creep modeling is summarized in this section.…”

Section: Creep Modelingmentioning

confidence: 99%

“…Short-term experimental data of pure matrix is obtained in accordance with the short-term tensile creep tests reflected in ASTM D 2990-1 [19]. Since the specific resin used in the wall constructions of investigated GFRP pipes was not available, a generic behavior for its master curve was estimated [18] based on the available trend for epoxy resin reported in published data [20]. A comparison between obtained generic master curve for polyester resin and available master curve for epoxy resin is demonstrated in Fig.…”

Section: Creep Modelingmentioning

confidence: 99%

“…Therefore, time increment is adaptively selected to reduce required runtime considerably. The detailed explanation of adaptive time selection strategy can be found in [18].…”

Section: Fig 2: Comparison Between Epoxy and Polyester Resins Mastermentioning

confidence: 99%

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Simulation of the long-term hydrostatic tests on Glass Fiber Reinforced Plastic pipes

Rafiee

Mazhari

2016

Composite Structures

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Section: Resultsmentioning

confidence: 99%

Section: Creep Modelingmentioning

confidence: 99%

Section: Creep Modelingmentioning

confidence: 99%

Section: Creep Modelingmentioning

confidence: 99%

“…Therefore, time increment is adaptively selected to reduce required runtime considerably. The detailed explanation of adaptive time selection strategy can be found in [18].…”

Section: Fig 2: Comparison Between Epoxy and Polyester Resins Mastermentioning

confidence: 99%

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Simulation of the long-term hydrostatic tests on Glass Fiber Reinforced Plastic pipes

Rafiee

Mazhari

2016

Composite Structures

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Elevated‐temperature mechanical performance of GFRP composite with functionalized hybrid nanofiller

Nuli

Fulmali

et al. 2022

J of Applied Polymer Sci

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In this article, alteration in the mechanical performance of glass fiber/epoxy (GE) composite due to individual and simultaneous incorporation of multi‐walled carbon nanotubes (CNT) and multi‐layered graphene sheets (MLG) in both their pristine and oxidized forms are discussed. Further, the effect of two different nanofiller concentrations (0.1 and 0.3 wt%) were also studied to optimize the performance. Flexural testing of these composites was performed at room temperature (RT), 70 and 110°C in‐situ temperatures to understand their temperature dependence behavior. From all considered composites, GE composite with 0.1 wt% of oxidized CNT and MLG mixture (O‐(CNT‐MLG)) (1:1) showed best flexural performance at all the in‐situ temperatures. The presence of oxidized CNTs and MLGs in the GE composite provided a synergetic strengthening effect like CNT pull‐outs and crack bridging confirmed through SEM imaging. Besides, oxidation helped in the dispersion of CNT and MLG in the composite. Glass transition temperature (Tg) of all the considered composites was evaluated using Differential Scanning Calorimetry (DSC). Fourier Transformed Infra‐red Spectroscopy (FTIR) was also conducted to confirm the functionalization of CNT and MLG after oxidation. During the fractography study, these composites showed variation in fiber/matrix interfacial bonding, matrix deformation, dispersion of nanofillers and fiber imprints, which helped to understand different failure modes responsible for the gross failure of the composites.

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Effects of carbon nanotube/polymer interfacial bonding on the long‐term creep performance of nanophased glass fiber/epoxy composites

et al. 2019

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This article is focused on prediction of the long‐term creep performance of glass fiber/epoxy (GE) composites reinforced with pristine carbon nanotube (CNT) and functionalized carbon nanotube (FCNT). 0.1 wt% of CNT and FCNT are added to GE composites to fabricate CNT‐GE and FCNT‐GE composite laminates, respectively. Flexural tests were carried out at room temperature (RT) and 120°C to assess the effect of environment temperature on the flexural properties of the aforesaid materials. FCNT‐GE showed highest improvement in flexural properties at RT followed by CNT‐GE composite and control GE composite, due to better stress transfer with strong chemical interfacial bonding. By using accelerated deformation at elevated temperature and time‐temperature superposition principle, long‐term creep behavior of GE, CNT‐GE, and FCNT‐GE composites at various reference temperatures (30°C, 60°C, 90°C, and 110°C) has been anticipated. Positive reinforcement efficiency is noted up to ~1010.5 and ~1012.5 years for CNT‐GE and FCNT‐GE, respectively at reference temperature of 30°C, following which it neutralized and moderately became negative. However, at higher temperature this time period is reduced abruptly due to unfavorable thermal stress generation at the CNT/polymer interface. Evaluation of thermomechanical properties were also carried out using dynamic mechanical analysis. Differential scanning calorimetry was used to investigate the variation in glass transition temperature due to CNT/FCNT addition to GE composite. Fractographic study was also carried out to know the mode of failure for CNT‐GE and FCNT‐GE composite flexural tested at room temperature.

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Modeling creep in polymeric composites: Developing a general integrated procedure

Cited by 36 publications

References 23 publications

Simulation of the long-term hydrostatic tests on Glass Fiber Reinforced Plastic pipes

Simulation of the long-term hydrostatic tests on Glass Fiber Reinforced Plastic pipes

Elevated‐temperature mechanical performance of GFRP composite with functionalized hybrid nanofiller

Effects of carbon nanotube/polymer interfacial bonding on the long‐term creep performance of nanophased glass fiber/epoxy composites

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