National Institute for Aerospatial Research

Bucharest, Romania

National Institute for Aerospatial Research

Bucharest, Romania
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Vuluga Z.,Romanian National Institute for Research and Development in Chemistry and Petrochemistry | Dinca I.,National Institute for Aerospatial Research | Stan A.,National Institute for Aerospatial Research | Voicu I.,Romanian National Institute for Lasers, Plasma and Radiation Physics | And 7 more authors.
Materiale Plastice | Year: 2010

Nanocomposites were obtained by dynamical melt blending. Some layered silicates and fillers based on nanocarbon were studied as nanofillers. The morpho-structural (XRD, HRTEM), thermal (TGA), dynamicmechanical (EL) and mechanical (DShD, Ak. σi) characteristics were examined. Nanocomposites with intercalated, partially exfoliated/partially intercalated and exfoliated lamellar structure with uniform dispersion of the nanofiller in the polyamide matrix were obtained. The nanocomposites exhibit thermal stability and improved properties as compared to the starting material.


Florescu L.G.,Romanian National Institute for Lasers, Plasma and Radiation Physics | Dinca I.,National Institute for Aerospatial Research | Popovici E.,Romanian National Institute for Lasers, Plasma and Radiation Physics | Dumitrache L.,Institute of Chemical Research | And 7 more authors.
Journal of Optoelectronics and Advanced Materials | Year: 2010

Composites with epoxy matrix reinforced by carbon fibres and laser synthesized carbon nanostructures as additives were prepared and characterized. All the composites with a matrix of epoxy resin/carbon fibres revealed superior mechanical characteristics and the positive effect of carbon nanoadditives on the epoxy/carbon fibre matrix were observed both in mechanical characteristics and water resistance.


Sonmez M.,Polytechnic University of Bucharest | Ficai D.,Polytechnic University of Bucharest | Stan A.,National Institute for Aerospatial Research | Bleotu C.,Romanian Academy of Sciences | And 3 more authors.
Materials Letters | Year: 2012

This paper presents the synthesis and characterization of hybrid PVA/Al 2O 3 thin film at room temperature (RT) and respectively under hydrothermal conditions (HC). The synthesis starts from commercially available Al 2O 3 and 10% PVA solution. When working at RT, regardless of the mixing ratio of PVA and Al 2O 3 (1:4; 1:1 and 4:1 wt) two phases can be identified by SEM due to the high difference between the densities of the two components. When working under HC, the hybrid PVA/Al 2O 3 thin film is homogeneous due to the reactions which occur between PVA and Al 2O 3 as proved by XRD and FTIR. © 2012 Elsevier B.V. All rights reserved.

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