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Morphology-Dependent Corrosion Inhibition and Self-Healing Properties of Polypyrrole and Indigo Carmine Composites on Carbon Steel 1018 in a Saline Environment.
Langmuir
December 2024
Department of Physical Chemistry, Faculty of Basic Science, Tarbiat Modares University, P.O. Box 14115-175, Tehran 21, I.R. of Iran.
The aim of this research is to explore the effectiveness of epoxy-resin@polypyrole composites as a corrosion inhibitor when applied as a coating on carbon steel 1018 in a 3.5 wt % sodium chloride electrolyte solution. The anticorrosion properties of these composite coatings can be optimized by manipulating their morphology.
View Article and Find Full Text PDFAn unmanned aerial vehicle captured dataset for railroad segmentation and obstacle detection.
Sci Data
December 2024
Department of Computer Science, College of Computer and Information Sciences, King Saud University, Riyadh, 11543, Saudi Arabia.
Safety is crucial in the railway industry because railways transport millions of passengers and employees daily, making it paramount to prevent injuries and fatalities. In order to guarantee passenger safety, computer vision, unmanned aerial vehicles (UAV), and artificial intelligence will be essential tools in the near future for routinely evaluating the railway environment. An unmanned aerial vehicle captured dataset for railroad segmentation and obstacle detection (UAV-RSOD) comprises high-resolution images captured by UAVs over various obstacles within railroad scenes, enabling automatic railroad extraction and obstacle detection.
View Article and Find Full Text PDFIn situ Fe-doped thin carbon wires via AC high voltage arc discharge.
Sci Rep
November 2024
Institute of Nanotechnology and Nanobiology, Jacob of Paradies University, Chopina 52, Gorzow Wielkopolski, 66-400, Poland.
This study explores the controlled, continuous production of thin carbon rods between graphite electrodes (continued electrode deposits) during an arc discharge of high voltage alternating current with a frequency of 50 Hz in liquid paraffin, along with in situ doping of the resulting material using a suspension of liquid paraffin and iron powder ( <10 μm). The surface morphology of the obtained carbon rod nanomaterials was characterized using scanning electron microscopy (SEM) coupled with energy dispersive X-ray spectroscopy (EDX), scanning transmission electron microscopy (STEM) with EDX chemical composition analysis, X-ray microtomography (micro-CT), and atomic force microscopy (AFM). The AFM technique in scanning thermal microscopy (SThM) and conductive probe (CP) modes was employed to determine the temperature and electrical conductivity of the obtained nanostructures.
View Article and Find Full Text PDFImproving the Theranostic Potential of Magnetic Nanoparticles by Coating with Natural Rubber Latex for Ultrasound, Photoacoustic Imaging, and Magnetic Hyperthermia: An In Vitro Study.
Pharmaceutics
November 2024
Department of Physics, FFCLRP, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto 14040-901, São Paulo, Brazil.
Background/objectives: Magnetic nanoparticles (MNPs) have gained attention in theranostics for their ability to combine diagnostic imaging and therapeutic capabilities in a single platform, enhancing targeted treatment and monitoring. Surface coatings are essential for stabilizing MNPs, improving biocompatibility, and preventing oxidation that could compromise their functionality. Natural rubber latex (NRL) offers a promising coating alternative due to its biocompatibility and stability-enhancing properties.
View Article and Find Full Text PDFThe Role of Al/Ti in Precipitate-Strengthened and Austenite-Toughened Co-Free Maraging Stainless Steel.
Materials (Basel)
October 2024
Gaona Aero Material Co., Ltd., Beijing 100081, China.
The strength of ultra-low carbon maraging stainless steels can be significantly enhanced by precipitating nanoscale intermetallic secondary phases. Retained or reversed austenite in the steel can improve its toughness, which is key to achieving an ideal combination of strength and toughness. Ti and Al are often used as cost-effective strengthening elements in maraging stainless steels but the synergistic toughening and strengthening mechanisms of Ti and Al have not been studied.
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