Browsing by Subject "Nanocomposites"

Now showing items 1-12 of 12

    • Bimagnetic nanoparticles with enhanced exchange coupling and energy products 

      Nandwana, Vikas; Chaubey, Girija Shankar; Yano, Kazuaki; Rong, Chuan-Bing; Liu, J. Ping (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2009-01-06)
      Bimagnetic FePt/Fe3O4 nanoparticles with core/shell or heterodimer structure have been prepared using a sequential synthetic method. The dimension of both FePt and Fe3O4 was tuned by varying the synthesis parameters. The ...

    • Bulk FePt-based nanocomposite magnets with enhanced exchange coupling 

      Rong, Chuan-Bing; Nandwana, Vikas; Poudyal, Narayan; Liu, J. Ping; Kozlov, Mikhail E.; Baughman, Ray H.; Ding, Yong; Wang, Zhong Lin (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2007-07-23)
      High density bulk FePt/Fe3Pt nanocomposite magnets have been prepared by high-pressure warm compaction of chemically synthesized FePt and Fe3O4 nanoparticles. It is found that the density increases with the compaction ...

    • Bulk FePt-based nanocomposite magnets with enhanced exchange coupling 

      Nandwana, Vikas; Liu, J. Ping; Poudyal, Narayan; Rong, Chuan-Bing; Kozlov, Mikhail E.; Baughman, Ray H.; Ding, Yong; Wang, Zhong Lin (AIP, 2007)
      High density bulk FePt/Fe3Pt nanocomposite magnets have been prepared by high-pressure warm compaction of chemically synthesized FePt and Fe3O4 nanoparticles. It is found that the density increases with the compaction ...

    • Bulk FePt/Fe3Pt nanocomposite magnets prepared by spark plasma sintering 

      Rong, Chuan-Bing; Nandwana, Vikas; Poudyal, Narayan; Liu, J. Ping; Saito, Tetsuji; Wu, Yaqiao; Kramer, Matthew J. (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2007-04-27)
      FePt/Fe3Pt bulk nanocomposite magnets have been prepared by the spark plasma sintering of chemically synthesized FePt and Fe3O4 nanoparticles under 100 MPa at 400–600 °C. It was found that the phase transition of the FePt ...

    • Do thermal fluctuations influence the recoil loops of nanocomposite magnets? 

      Rong, Chuan-Bing; Liu, Yuzi; Liu, J. Ping (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2008-07-11)
      An exchange-coupled FePt/Fe3Pt nanocomposite system with well defined hard/soft two-phase morphology was prepared by reducing chemically synthesized FePt/Fe3O4 bimagnetic nanoparticles. It was interesting to observe that ...

    • Effect of thermal fluctuations on the recoil loops of SmCo5[subscript]/Fe nanocomposite system 

      Rong, Chuan-Bing; Liu, J. Ping (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2009-02-13)
      The correlation between the recoil loop openness and the activation volume has been studied for the SmCo5/α-Fe nanocomposite powder material prepared by mechanical alloying. The α-Fe phase content in the nanocomposite ...

    • Fabrication of bulk nanocomposite magnets via severe plastic deformation and warm compaction, 

      Rong, Chuan-Bing; Zhang, Ying; Poudyal, Narayan; Xiong, Xiangyuan; Kramer, Matthew J.; Liu, J. Ping (American Institute of PhysicsDepartment of Physics, The University of Texas at Arlington, 2010-03-10)
      We demonstrate that a SmCo/FeCo based hard/soft nanocomposite material can be fabricated by distributing the soft magnetic α-Fe phase particles homogeneously in a hard magnetic SmCo phase through severe plastic deformation. ...

    • MANUFACTURING AND CHARACTERIZATION OF A 3D-PRINTABLE, ANTIBACTERIAL, MAGNESIUM OXIDE NANOPARTICLES REINFORCED ABS FILAMENT 

      Thapliyal, Saket; 0000-0001-7081-3806 (2017-06-08)
      This research work consists of two phases. In phase one it is intended to manufacture an antibacterial 3D printable filament by extruding a solid state mixture of (MgO) nanoparticles (NPs) and Acrylonitrile Butadiene Styrene ...

    • MECHANICS OF NANOSCALE FIBER NETWORKS AND THEIR COMPOSITES: A THREE-DIMENSIONAL MULTISCALE STOCHASTIC MODELLING STUDY 

      Chahal, Rajni; 0000-0003-2190-0473 (2021-01-04)
      Three-dimensional fiber networks and their composites are commonly observed as bird nests in nature, collagen in biological systems, papers, respiratory face masks filters, water filter cartridges, and air purification ...

    • MOLECULAR LEVEL MECHANICAL PROPERTIES OF ULTRA HIGH TEMPERATURE CERAMICS AND THEIR NANOCOMPOSITES 

      Kayser, Md Riaz (2020-08-19)
      Ultra High-Temperature Ceramics (UHTC) have been of great interest in the spacecraft, aerospace, and aeronautic industry due to their high melting point and their potential application as a protective material for the ...

    • NOVEL NANOCOMPOSITES FOR THE TREATMENT OF LUNG INFECTIONS 

      Chintapula, Uday Kumar; 0000-0002-6028-4485 (2022-05-17)
      Lung infections, especially lower respiratory tract infections and their associated pneumonias, are one of the leading causes of death, accounting for more than 4 million fatalities every year worldwide. Bacterial pathogens ...

    • PRINCIPLES, DESIGN, FABRICATION, AND CHARACTERIZATION OF SUBWAVELENGTH PERIODIC RESONANT METASURFACES 

      Hemmati, Hafez; 0000-0002-0270-1287 (2020-11-24)
      Since the emergence of diffraction gratings containing periodic unit cells, innumerable advances in theoretical studies and practical applications have emerged. Recently, these classic structures have been categorized as ...