Browsing Materials Science & Technology by Author "Thomas, S."
Now showing items 1-8 of 8
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Correlating the rheological and magneto-optical properties of cobalt substituted magnetite ferrofluids (CoxFe1?xFe2O4) with theoretical studies
Babukutty, B.; Ponnamma, D.; Nair, S.S.; Thomas, S. ( Elsevier B.V. , 2023 , Article)Magnetite ferrofluids are widely reported due to their outstanding physicochemical, magnetic and antibacterial properties. This study focusses on the synthesis of magnetite ferrofluids and the effect of Co2+ substitution ... -
Developing Polyaniline Filled Isoprene Composite Fibers by Electrospinning: Effect of Filler Concentration on the Morphology and Glass Transition
Deepalekshmi Ponnamma; Sadasivuni K.K.; Al-Maadeed M.A.A.; Thomas S. ( Pleiades Publishing , 2019 , Article)Abstract: Sub micron and nano level fibers are produced from the polymer melts by applying an external electric field during electrospinning; however very few studies are reported on elastomer scaffolds formed by this ... -
Enhanced morphology and mechanical characteristics of clay/styrene butadiene rubber nanocomposites
Usha Devi K.S.; Ponnamma D.; Causin V.; Maria H.J.; Thomas S. ( Elsevier Ltd , 2015 , Article)Achieving complete exfoliation of clay in their polymer nanocomposite is a matter of interest as it can significantly affect the material properties. Herein, an efficient way of enhancing the interlayer spaces of organically ... -
Free-volume correlation with mechanical and dielectric properties of natural rubber/multi walled carbon nanotubes composites
Ponnamma D.; Ramachandran R.; Hussain S.; Rajaraman R.; Amarendra G.; Varughese K.T.; Thomas S.... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Abstract The microstructure, mechanical strength, dielectric properties, Doppler broadening measurements and positron life time studies of the composites containing multi walled carbon nanotubes (MWCNTs) and natural rubber ... -
Graphene and graphitic derivative filled polymer composites as potential sensors
Ponnamma D.; Guo Q.; Krupa I.; Al-Maadeed M.A.S.A.; Varughese K.T.; Thomas S.; Sadasivuni K.K.... more authors ... less authors ( Royal Society of Chemistry , 2015 , Article)Graphite and numerous graphitic-derived micro- and nano-particles have gained importance in current materials science research. These two-dimensional sheets of sp2-hybridized carbon atoms remarkably influence the properties ... -
Recent progress and multifunctional applications of 3D printed graphene nanocomposites
Ponnamma D.; Yin Y.; Salim N.; Parameswaranpillai J.; Thomas S.; Hameed N.... more authors ... less authors ( Elsevier Ltd , 2021 , Article Review)This review provides a comprehensive analysis of available peer-reviewed literature in which graphene and/or its derivatives are incorporated into a polymer matrix in order to enhance the final properties and functionalities ... -
Review on exploration of graphene in the design and engineering of smart sensors, actuators and soft robotics
Jin X.; Feng C.; Ponnamma D.; Yi Z.; Parameswaranpillai J.; Thomas S.; Salim N.V.... more authors ... less authors ( Elsevier B.V. , 2020 , Article Review)This article presents a comprehensive review on the recent development of graphene and its derivatives in the design and engineering of smart sensors, actuators and soft robotics. Comparing with traditional materials used ... -
Structural influence of chromium substituted magnetite ferrofluids on the optical and antibacterial characteristics
Babukutty, B.; Ponnamma, D.; Nair, S.S.; Jose, J.; Bhat, S.G.; Thomas, S.... more authors ... less authors ( Elsevier Ltd , 2023 , Article)A series of chromium substituted magnetite (CrxFe1?xFe2O4) ferrofluids with various concentrations ranging from x = 0-0.8 is reported in this work. Simple, cost effective and gentle co-precipitation method is followed for ...