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Application of Carbon Filled Nanocomposites

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (15 July 2021) | Viewed by 5351

Special Issue Editor

Special Issue Information

Dear Colleagus,

Materials could impart significant advantages or disadvantages to any system, process or product. This Special Edition is about how carbon, in particular its super forms, such as fullerenes (carbon nanotubes, graphene, carbyne etc.), can influence and improve the performance of its base material. You are welcome to submit cutting-edge research work on the preparation, processing, development, and application of carbon-based composites. This open access issue intends to cover the radical step-change in the capabilities and application of carbon materials in an engineering context with a clear focus on materials science and performance engineering. Original articles and reviews are welcome. However, research article, which include practical experimental results and critical theory are particularly encouraged, as are papers which set advanced molecular engineering in the wider context of, for example, society, economics, energy, and environment.

Prof. Dr. Fawad Inam
Guest Editor

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Keywords

  • carbon nanotubes
  • graphene
  • carbyne
  • fullerenes
  • carbon based composites

Published Papers (2 papers)

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Research

10 pages, 8434 KiB  
Article
Self-Sensing Well Cement
by Kamila Gawel, Dawid Szewczyk and Pierre Rolf Cerasi
Materials 2021, 14(5), 1235; https://doi.org/10.3390/ma14051235 - 05 Mar 2021
Cited by 6 | Viewed by 1955
Abstract
Chemical reactions with reservoir fluids and geology related in-situ stress changes may cause damages to cement sealing material in plugged and abandoned oil, gas and CO2 wells. To avoid leakages, a legitimate monitoring technique is needed that could allow for early warning [...] Read more.
Chemical reactions with reservoir fluids and geology related in-situ stress changes may cause damages to cement sealing material in plugged and abandoned oil, gas and CO2 wells. To avoid leakages, a legitimate monitoring technique is needed that could allow for early warning in case such damages occur. In this paper, we test the utility of oil and gas well cement with a conductive filler in sensing stress changes. To this end, we have measured the resistance response of Portland G—oil and gas well cement with carbon nanofibers (CNF) to axial load during uniaxial compressive strength test. Simultaneously, the microseismicity data were collected. The resistance of the nanocomposite was measured using two-point method in the direction of loading. The resistance changes were correlated with acoustic emission events. A total of four different material response regions were distinguished and the resistivity and acoustic emission changes in these regions were described. Our results suggest that the two complementary methods, i.e., acoustic emission and resistance measurements, can be used for sensing stress state in materials including well cement/CNF composites. The results suggest that the well cement/CNF composites can be a good candidate material to be used as a transducer sensing changes in stress state in, e.g., well plugs up to material failure. Full article
(This article belongs to the Special Issue Application of Carbon Filled Nanocomposites)
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19 pages, 7014 KiB  
Article
Synthesis of Nylon 6/Modified Carbon Black Nanocomposites for Application in Uric Acid Adsorption
by Marlene Andrade-Guel, Carlos A. Ávila-Orta, Gregorio Cadenas-Pliego, Christian J. Cabello-Alvarado, Marissa Pérez-Alvarez, Pamela Reyes-Rodríguez, Fawad Inam, Dora A. Cortés-Hernández and Zoe V. Quiñones-Jurado
Materials 2020, 13(22), 5173; https://doi.org/10.3390/ma13225173 - 17 Nov 2020
Cited by 13 | Viewed by 2948
Abstract
High uric acid levels cause different clinic conditions. One of them is hyperuricemia, which leads to kidney damage. A solution for eliminating uric acid in the blood is by hemodialysis, which is performed using nanocomposite membranes. In this work, Nylon 6 nanocomposites were [...] Read more.
High uric acid levels cause different clinic conditions. One of them is hyperuricemia, which leads to kidney damage. A solution for eliminating uric acid in the blood is by hemodialysis, which is performed using nanocomposite membranes. In this work, Nylon 6 nanocomposites were synthesized with modified carbon black (MCB), which were considered candidate materials for hemodialysis membranes. The modification of carbon black was made with citric acid using the variable-frequency ultrasound method. The new MCB was characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), X-ray diffraction (XRD), transmission electron microscopy (TEM), and dispersion tests. Nylon 6/MCB nanocomposites were processed using the ultrasound-assisted melt-extrusion method to improve the dispersion procedure of the nanoparticles. The Nylon 6/MCB nanocomposites were characterized by FTIR, TGA, and differential scanning calorimetry (DSC). These were assessed for the absorption of toxins and hemocompatibility. MBC and nanocomposites showed excellent uric acid removal (78–82%) and hemocompatibility (1.6–1.8%). These results suggest that Nylon 6/MCB nanocomposites with low loading percentages can be used on a large scale without compatibility problems with blood. Full article
(This article belongs to the Special Issue Application of Carbon Filled Nanocomposites)
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