Mechanical and thermal behavior of clay/epoxy nanocomposites

Yasmin, A.; Luo, Jianqiang; Abot, Jandro L.; Daniel, I. M.

doi:10.1016/j.compscitech.2006.03.011

Cited by 272 publications

(221 citation statements)

References 17 publications

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“…In conclusion, it is worth mentioning that many factors can be important in changing the T g value, for example, the curing temperature and time, the modification of the layered silicate, and the intercalation level between sheets. The T g results were found to be in close agreement with the work reported in other studies (Alateyah, Dhakal, & Zhang, 2014;Bakar, Kostrzewa, Hausnerova, & Sar, 2010;Yasmin, Luo, Abot, & Daniel, 2006).…”

Section: Differential Scanning Calorimetry (Dsc)supporting

confidence: 82%

Thermal and Nanoindentation Behaviours of Layered Silicate Reinforced Recycled GF-12 Nanocomposites

Shalwan¹,

Alateyah²,

Aldousiri³

et al. 2016

JMSR

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This work is an attempt to improve the thermal and nanoindentation behaviours of recycled Glass-Filled Polyamide-12 (GF-12) by adding layered Silicate (Nanoclay) as a reinforced filler. Differential Scanning Calorimetry (DSC) and Nanoindentation tests were conducted to study the effect of various loading levels (0-7 wt. %) of Nano-layered silicate on the thermal and nanohardness behaviours of GF-12 and its nanocomposites. Wide Angle X-ray Diffraction (WAXD) was employed to characterise the nanostructure of material and determine the intercalation/exfoliation for layered silicate in a GF-12 matrix. This study reveals that the layer silicate has a positive effect on the hardness results. Nanoindentation results showed remarkable improvement when layered silicate was added to recycled GF-12. The Glass transition (T g ) and crystallization (T c ) temperatures showed a slight improvement over the base polymer by the incorporation of layered silicate. Moreover, the enhancement of crystallization was obvious with the addition of clay loading, which functioned as a nucleating agent that could increase the rate of crystallization.

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Section: Differential Scanning Calorimetry (Dsc)supporting

confidence: 82%

Thermal and Nanoindentation Behaviours of Layered Silicate Reinforced Recycled GF-12 Nanocomposites

Shalwan¹,

Alateyah²,

Aldousiri³

et al. 2016

JMSR

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“…It can be seen that the presence of nanosilica enhanced the compressive stress-strain behaviour of the epoxy polymer. The addition of rigid microfillers or agglomerated nanofillers into epoxy resins commonly increases the stiffness but gives detrimental effect on the strain to break [10,12,15,[20][21][22]. Moreover, the strength of the composites is also reduced as the amount of these fillers increase.…”

Section: True Compressive Stress-strain Behaviourmentioning

confidence: 99%

“…There are several types of nanoparticles commercially available and commonly used for developing epoxy-nanocomposites, such as montmorillonite organoclay, nanosilica, carbon nanotubes and nanofibres. The incorporation of nanofiller into the epoxy matrix enhances toughness, Young's modulus and thermal resistance have been reported by several researchers [20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Effect of silica nanoparticles on compressive properties of an epoxy polymer

et al. 2010

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The effect of nanosilica on compressive properties of an Epikote 828 epoxy at room temperature was studied. A 40 wt% nanosilica/epoxy masterbatch (nanopox F400) was used to prepare a series of epoxy based nanocomposites with 5-25 wt% nanosilica content. Static uniaxial compression tests were conducted on cubic and cylindrical specimens to study the compressive stress-strain response, failure mechanisms and damage characteristics of the pure and nanomodified epoxy. It was found that the compressive stiffness and strength were improved with increasing nanosilica content without significant reduction in failure strain.The presence of nanosilica improved ductility and promoted higher plastic hardening behaviour after yielding in comparison with the unmodified resin system. This result suggested that nanoparticles introduced additional mechanisms of energy absorption to enhance the compressive properties without reducing the deformation to failure.

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“…When it comes to mechanical properties, nanoclays are more efficient than classical fillers in strengthening the polymer matrices, especially when they are added in small amounts. Volume fractions of the clay fillers as low as 1-3 % can result in tremendous increase in both stiffness and strength while exerting no influence on the overall density of material [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Influence of the Organophilisation Process on Properties of the Bentonite Filler and Mechanical Properties of the Clay/Epoxy Nanocomposites

Rapacz-Kmita

Moskała

Dudek

et al. 2016

Archives of Metallurgy and Materials

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In this comparative study, the influence of the organophilisation process on the properties of resulting organobentonite fillers and their capability to improve the mechanical properties of clay/polymer nanocomposites were investigated. The organobentonites were obtained by activation with the use of two organic quaternary ammonium salts (QAS) with alkyl chains of significantly different lengths. The organophilisation resulted in an increase in the interlayer space of clays, which was confirmed by XRD analysis. The obtained organofillers were used to produce nanoclay/epoxy resin composites and the effects of alkyl chain length on the resulting properties of composites were compared based on the examination of mechanical behaviour and morphology, and a composite filled with the non organophilised bentonite was used as a reference material. It was demonstrated that the organophilisation process using distearyldimethyl ammonium chloride salt with a longer alkyl chain (C18-C20) created a more superior conditions for the compatibility of nanofiller with a polymer matrix, resulting in a 25 % increase in the bending strength of the epoxy composite material filled with 3 %wt of the organophilised bentonite, comparing to neat epoxy.

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Mechanical and thermal behavior of clay/epoxy nanocomposites

Cited by 272 publications

References 17 publications

Thermal and Nanoindentation Behaviours of Layered Silicate Reinforced Recycled GF-12 Nanocomposites

Thermal and Nanoindentation Behaviours of Layered Silicate Reinforced Recycled GF-12 Nanocomposites

Effect of silica nanoparticles on compressive properties of an epoxy polymer

Influence of the Organophilisation Process on Properties of the Bentonite Filler and Mechanical Properties of the Clay/Epoxy Nanocomposites

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