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Statements

Subject Item
n2:RIV%2F46747885%3A24410%2F12%3A%230001177%21RIV13-MSM-24410___
rdf:type
n12:Vysledek skos:Concept
rdfs:seeAlso
http://www.tandfonline.com/doi/pdf/10.1080/00405000.2012.685270
dcterms:description
In the present investigation, a novel technique has been developed to fabricate composite materials containing TiO2 nanoparticles, polysiloxane resin, and basalt fabric. A high-intensity ultrasonic probe was used to obtain a homogenous molecular mixture of TiO2 nanoparticles and polysiloxane resin, thus the nanoparticles were infused into the resin through sonic cavitation. The loading effect of TiO2 nanoparticles on the thermal and mechanical properties of basalt fabric reinforced polysiloxane composite materials has been investigated. Composite samples were prepared, each using two layers of basalt fabric with TiO2 nanoparticles loading from 0.5, 1, 1.5, 2, 2.5, and 3% by weight. Size distribution of nanoparticles was observed by particle size analyzer and the prepared fabric nanocomposites were characterized by scanning electron microscopy, dynamic mechanical analysis (DMA), thermo gravimetric analysis (TGA), and differential scanning calorimetry (DSC). Tensile testing was performed as per American standard for testing of materials (ASTM) standards. The dependence of dynamic mechanical parameters E', E '', tan (delta), T-g, and heat distortion temperature (HDT) are associated with the filler content and can be controlled by the curing conditions. Tensile results show that 1.5 wt.% loading of TiO2 nanoparticles in the nanocomposites resulted in highest improvement in tensile modulus compared to the neat system. DMA studies also revealed that 1.5 wt.% doped system exhibits highest storage modulus as compared to the neat and other loading percentages. DSC and TGA studies show that T-g and HDT of the composite increases with the increase in wt.% of nanofillers in the composite. Based on these results, it is clear that miscibility of nanoparticles in the resin is of prime importance with regard to performance. In the present investigation, a novel technique has been developed to fabricate composite materials containing TiO2 nanoparticles, polysiloxane resin, and basalt fabric. A high-intensity ultrasonic probe was used to obtain a homogenous molecular mixture of TiO2 nanoparticles and polysiloxane resin, thus the nanoparticles were infused into the resin through sonic cavitation. The loading effect of TiO2 nanoparticles on the thermal and mechanical properties of basalt fabric reinforced polysiloxane composite materials has been investigated. Composite samples were prepared, each using two layers of basalt fabric with TiO2 nanoparticles loading from 0.5, 1, 1.5, 2, 2.5, and 3% by weight. Size distribution of nanoparticles was observed by particle size analyzer and the prepared fabric nanocomposites were characterized by scanning electron microscopy, dynamic mechanical analysis (DMA), thermo gravimetric analysis (TGA), and differential scanning calorimetry (DSC). Tensile testing was performed as per American standard for testing of materials (ASTM) standards. The dependence of dynamic mechanical parameters E', E '', tan (delta), T-g, and heat distortion temperature (HDT) are associated with the filler content and can be controlled by the curing conditions. Tensile results show that 1.5 wt.% loading of TiO2 nanoparticles in the nanocomposites resulted in highest improvement in tensile modulus compared to the neat system. DMA studies also revealed that 1.5 wt.% doped system exhibits highest storage modulus as compared to the neat and other loading percentages. DSC and TGA studies show that T-g and HDT of the composite increases with the increase in wt.% of nanofillers in the composite. Based on these results, it is clear that miscibility of nanoparticles in the resin is of prime importance with regard to performance.
dcterms:title
Effect of TiO2 nanoparticles on Basalt/Polysiloxane composites: mechanical and thermal characterization Effect of TiO2 nanoparticles on Basalt/Polysiloxane composites: mechanical and thermal characterization
skos:prefLabel
Effect of TiO2 nanoparticles on Basalt/Polysiloxane composites: mechanical and thermal characterization Effect of TiO2 nanoparticles on Basalt/Polysiloxane composites: mechanical and thermal characterization
skos:notation
RIV/46747885:24410/12:#0001177!RIV13-MSM-24410___
n12:predkladatel
n17:orjk%3A24410
n3:aktivita
n6:I
n3:aktivity
I
n3:cisloPeriodika
12
n3:dodaniDat
n15:2013
n3:domaciTvurceVysledku
n7:8180989 n7:7513445 Mishra, Rajesh
n3:druhVysledku
n20:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
133342
n3:idVysledku
RIV/46747885:24410/12:#0001177
n3:jazykVysledku
n19:eng
n3:klicovaSlova
nanocomposites; basalt woven fabrics; scanning electron microscopy; dynamic mechanical analysis; differential scanning calorimetry; thermo gravimetric analysis
n3:klicoveSlovo
n9:basalt%20woven%20fabrics n9:scanning%20electron%20microscopy n9:dynamic%20mechanical%20analysis n9:differential%20scanning%20calorimetry n9:nanocomposites n9:thermo%20gravimetric%20analysis
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[4F34316434E0]
n3:nazevZdroje
The Journal of the Textile Institute
n3:obor
n10:JI
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n15:2012
n3:svazekPeriodika
103
n3:tvurceVysledku
Mishra, Rajesh Behera, B. K. Tiwari, Richa Militký, Jiří Maršálková, Miroslava
n3:wos
000311368600010
s:issn
0040-5000
s:numberOfPages
8
n18:doi
10.1080/00405000.2012.685270
n8:organizacniJednotka
24410