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Morphological, mechanical, and thermal characterization of electrospun three‐dimensional graphite nanoplatelets/polystyrene ultra‐fine fibril composite fabrics
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
1462-1472
Authors:
Ashraf Abdelfattah Ali Hassanein
Staff Zu Site
Abstract In Staff Site
Journal:
Polymer Composites wileyonlinelibrary.com/journal/pc
Volume:
42
Keywords :
Morphological, mechanical, , thermal characterization , electrospun three‐dimensional
Abstract:
Ultra-fine fibril composites were produced by electrospinning of a polymer solution containing polystyrene (PS)/dimethylformamide (DMF) with different concentrations of three-dimensional graphite nanoplatelets (3D-GNPs). Berry's number of PS/DMF polymer solution was extensively studied to produce minimum electrospun PS fiber diameters. Three-dimensional GNPs of different weight percentages were dispersed in the optimized PS/DMF to produce ultrafine fibril composite fabric. The electrospun average diameters decreased from 1.5 μm for PS fibers to 890 nm for 3D-GNPs/PS fibril composites, respectively, at 12 and 9.8 Berry's number. High-resolution transmission electron microscopy samples' micrographs confirm a homogenous dispersion and alignment of 3D-GNPs in PS fibril composites. Thermal and mechanical characteristics of fabrics were determined using thermogravimetric analysis, thermomechanical Analysis, and dynamic mechanical analysis (DMA). It was found that there was an increase in percentage elongation, tensile strength, thermal stability, and glass-transition temperature for 3D-GNPs PS fibril composite fabrics compared to PS fabrics. Diminishing the value of loss tangent, measured by DMA, was used as an approach to predict the maximum amount of 3D-GNPs weight percent dispersion in electrospun PS/dimethylformamide solution. One of the most important potential applications of the electrospun 3D-GNPs/PS fibril composite fabrics is in the interiors of vehicles and aerospace industries as it characterizes by its good thermal and mechanical properties as well as its low density.
Author Related Publications
Ashraf Abdelfattah Ali Hassanein, "Morphological, Mechanical and Electrical Properties of Thermaly Stable CNT/Carbon Nano Fibril Composite Structures", ICCE-18 (WJOE), 2010
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Ashraf Abdelfattah Ali Hassanein, "Hot-Pressed electrospun MWCNTs/Carbon nano fibril composites: potential applications for breaking pads and journal bearings", AMME, 2014
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Ashraf Abdelfattah Ali Hassanein, "Mechanical and tribological properties of hot-pressed electrospun MWCNTs/carbon nanofibril composite fabrics", The International Journal of Advanced Manufacturing Technology ISSN 0268-3768 Volume 74 Combined 5-8, 2014
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Ashraf Abdelfattah Ali Hassanein, "electrospun precursor carbon nanofiber optimization by using response surface methodology", Journal of Electrostatics, 2014
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Ashraf Abdelfattah Ali Hassanein, "A novel Bi-processing technique for metal matrix nano composites", IJAMT, 2014
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Department Related Publications
Soliman Soliman Soliman Alieldien, "A first-order shear deformation finite element model for elastostatic analysis of laminated composite plates and the equivalent functionally graded plates", Ain Shams Engineering Journal, 2011
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Soliman Soliman Soliman Alieldien, "Size-dependent analysis of functionally graded ultra-thin films", Structural Engineering and Mechanics, Vol. 44, No. 4 (2012) 431-448, 2012
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Soliman Soliman Soliman Alieldien, "Bending Analysis of Ultra-thin Functionally Graded Mindlin Plates Incorporating Surface Energy Effects", International Journal of Mechanical Sciences, 2013
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Soliman Soliman Soliman Alieldien, "Finite element analysis of functionally graded nano-scale films", Finite Elements in Analysis and Design, 2013
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Soliman Soliman Soliman Alieldien, "Finite Element Analysis of the Deformation of Functionally Graded Plates under Thermomechanical Loads", Mathematical Problems in Engineering, 2013
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