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Reinforced, Extruded, Isotropic Magnetic Elastomer ,

The study involves the development of isotropic magnetorheological elastomer composites i-MREs with improved mechanical properties, their preparations, and properties characterizations The novelty of the research is the use of extrusion process in the preparation of composites containing two different fillers carbonyl iron powder CIP as magnetic filler and carbon black FEF, N550 as ....

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Polymer Matrix Composites Properties and Applications ,

Polymer matrix composites PMCs are present in almost all aspects of modern life - from gadget components to a vast selection of automotive accessori Derived from its name, meaning many repeating units, polymers are often made up of branches of carbon and hydrogen chemically linked together to make a chain...

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External Magnetic Field Induced Percolation in ,

Jul 29, 2010 0183 32 The dielectric properties of polyvinylidene fluoride PVDF and nickel Ni composites annealed under external magnetic fields were studied here It was found that a similar percolation effect could be induced by an external longitudinal magnetic field in low filler PVDF/Ni composit The permittivity of PVDF/Ni 95/5 composites showed a 4 times improvement at low frequency, and the ....

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Targeted patterning of magnetic microparticles in a ,

Apr 13, 2020 0183 32 Structured and polymerized in a uniform external magnetic field, polymer composites based on magnetic soft microparticles are considered Variations of magnetic field parameters and material composition provide a possibility of targeted micro-structural patterning of these composit...

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Magnetic responsive polymer composite materials

Magnetic responsive materials are the topic of intense research due to their potential breakthrough applications in the biomedical, coatings, microfluidics and microelectronics fields By merging magnetic and polymer materials one can obtain composites with exceptional magnetic responsive featur Magnetic Stimuli responsive materials...

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Magnetic properties of polymer matrix composites with ,

Jan 01, 2016 0183 32 The addition of magnetic particles to polymer matrix composites offers great potential for the inspection of these materials using NDT that are sensitive to changes in magnetic field Ferrites are ceramic magnetic materials with spontaneous magnetic induction 9 , which can be used in a wide variety of technological applications...

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PDF Magnetoactive elastomeric composites Cure, tensile ,

The presence of Fe3O4 nanoparticles in the polymer matrix reduced the elongation at break and impact strength while improved hardness of the composite than unfilled EVA...

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Microstructure and Properties of Materials

Nickel-Base Superalloys N S Stoloff Metal Matrix Composites R J Arsenault Polymer Matrix Composites J-K Kim Y-W Mai Ceramic Matrix Composites P G Karandikar et al Microstructure of Inorganic Glasses R H Doremus Microstructure and Properties of Superconducting Materials C S Pande Magnetic Materials C D Graham, Jr...

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Structural Design Strategies of Polymer Matrix Composites ,

Aug 18, 2021 0183 32 Polymer matrix composites have been widely used in the field of EMI shielding due to their , cobalt, nickel and their alloys with high magnetic permeability are ideal materials for low-frequency magnetic field shielding For the shielding of high-frequency magnetic field, the shielding cavity is used to generate an induced current under the ....

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Mechanical and magnetic properties of composite materials ,

Material property combinations and ranges have been extended by the development of composite materials Development of Nd-Fe-B/polymer composite magnetic materials has significantly increased interest in research and development of bonded magnets, since particles of Nd-Fe-B alloys are proved to be very suitable for their production...

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Fabrication and Characterization of Nickel Nanowire ,

Fabrication and Characterization of Nickel Nanowire Polymer Composites - Volume 963...

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Fabrication of polydimethylsiloxane composites with nickel ,

This work presents the fabrication and characterization of mechanical and magnetic properties of polydimethylsiloxane PDMS nanocomposites with nickel nanoparticles and nanowires as fillers To enhance filler dispersion and polymer-filler interface bonding, allyltrimethoxysilane was used for nanofiller coating Sample preparation was carried out by speed mixing and curing at 100 176 C...

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Magnetic properties of nickel filament polymer

Jun 01, 1996 0183 32 The magnetic properties of polyethersulfone-matrix composites with 3-19 vol polycrystalline nickel filaments 04 im diam were investigated These filaments were found to exhibit hysteresis energy loss 10800 J/m 3 of nickel and coercive force 169 kA/m, compared to corresponding values of 4930 J/m 3 and 47 kA/m for 2 μm diam polycrystalline nickel fibers, 1020 ,...

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Swift Heavy Ion Induced Modification in Physical ,

We have These films were irradiated with 85 MeV C-ions at the fluences of 1 x 1011 and 1 x 1012 ions/cm2 Changes in the optical, structural, dielectric, magnetic and thermal properties of PMMA /Ni nanocomposites of different concentrations of nickel nanoparticles 5 , 10 , 15 due to swift heavy ion irradiation were studied by means of UVvisible spectroscopy, X-ray diffraction, impedance ....

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Investigation on the Effect of NiZn Ferrite on the ,

Nov 12, 2013 0183 32 This magnetic nanoparticles MNPs which incorporated with polymer matrix could produce a unique fundamental properties associated with them such as quantum tunnelling of magnetization, quantum size effects, and spin reversals in ,...

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PDF Sulfonated polybutadiene ionomer templates ,

Apart from the class of totally innovative composite materials, prop- catalytic properties, nickel nanoparticles have at- erties of both the matrix polymer and metal nan- ,...

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PDF Enhancement of the Relative Magnetic Permeability of ,

Magnetic polymer composite materials have very good rheological that are characteristic for polymers used as matrix and magnetic properties superior to those of polymers due to their magnetic ....

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Nanocomposites of magnetic cobalt nanoparticles and ,

Polymeric matrices with stabilized metallic nanoparticles constitute an important class of nanostructured materials, because polymer technology allows fabrication of components with various electronic, magnetic and mechanical properti The porous cellulose matrix has been shown to be a useful support material for platinum, palladium, silver, copper and nickel nanoparticl...

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Magnetic properties of nickel filament polymer

Journal of Electronic Materials, Vol 25, No 6, 1996 Regular Issue Paper Magnetic Properties of Nickel Filament Polymer-Matrix Composites XIAOPING SHUI and DDL C H U N G Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, NY 14260-4400 The magnetic properties of polyethersulfone-matrix composites with 3-19 vol polycrystalline nickel filaments ,...

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Polymer Composites with Oriented Magnetic Nanowires as ,

Polymer Composites with Oriented Magnetic Nanowires as Fillers Li Sun, and Kusuma Keshoju Department of Mechanical Engineering, University of Houston, Houston, TX, 77204-4006 ABSTRACT Metallic nickel nanowires with excellent physical properties have been introduced into polydimethylsiloxane PDMS matrix to form polymer nanocomposites ....

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ELECTROMAGNETIC PROPERTIES OF POLYETHYLENE

the electrical properties of polymer composites with conductive Jasem 2012, Huang 2007, Foulger 1999, Tsangaris 1999 or magnetic filler Stancu 2013, Zois 2003, Yacubowicz 1990 is presented In other papers Stancu 2013, Efros 1976, Doyle 1995 the existence of a critical concentration for that the percolation phenomenon occurs is highlighted...

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Magnetic and dielectric properties of nickel

Mar 30, 2018 0183 32 Spinel-structured nickel ferrite has been prepared using co-precipitation method The ferrite particles prepared were characterized using XRD, FTIR, and TEM and were confirmed to be in the nano-regime Natural rubber composites were prepared with different loadings of nickel ferrite like 5, 15, 25, 50, and 75 in part per hundred rubber, phr The mechanical, swelling, and magnetic ,...

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Surfactant Modified Nickel

Magnetic Properties and Microstructures of Rapidly Solidified FePd Alloy Ribbons , DRDC Atlantic has shown that single crystals of nickel-manganese-gallium NiMnGa can produce large reversible stressinduced and magnetic field-induced strains of up to 10 , a composite of the alloy in a polymer matrix has been examined in the hopes of ....

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Magnetic alignment of Ni/Co

Sep 01, 2011 0183 32 The strong interface between the CNT and the polymer matrix is essential to transfer the load from the matrix to the nanotubes and thereby to enhance the mechanical properties of the composite A crucial reason for these difficulties is that the nanotubes are atomically smooth and have nearly the same diameters and aspect ratios as polymer chains...

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Alignment of Nickel Coated Carbon Fibers by Magnetic Field ,

Coating of short carbon fibers with nickel not only preserves the desired specific mechanical properties of both the fiber and the resulting composite but also improves their electrical conductivity and magnetic properti The short fibers may be randomly dispersed in composites to exhibit isotropic behavior...

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Synthesis and Magnetic Properties of Polymer ,

Magnetic nanoparticles embedded in polymer matrices have excellent potential for electromagnetic device applications like electromagnetic interference EMI suppression Using chemical precipitation methods and Nanogen , a microwave plasma method, we have synthesized various nanoparticles including iron, polystyrene-coated iron, iron oxide both hematite and magnetite , nickel ferrite, and ....

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Mechanical Characterization of Nickel Nanoparticles ,

composites with particle concentration of 15 vol and cured at 100 176 C Keywords polydimethylsiloxane, nickel nanoparticles, nanocomposites 1 PDMS polymer Sylgrad 184 was acquired from Dow INTRODUCTION Magnetic polymer composites consisting of polymer matrix and magnetic fillers are emerging as a new class of multi-functional materials...

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Publications Related to Polymer

Xiaoping Shui and DDL Chung, Magnetic Properties of Nickel Filament Polymer-Matrix Composites , J Electron Mater 25 6 , 930-934 1996 19 Xiaoping Shui and DDL Chung, A New Electromechanical Effect in Discontinuous-Filament Elastomer-Matrix Composites , Smart Mater Struct 6, 102-105 1997...

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Complex Permittivity and Permeability Spectra of Nickel ,

Due to the distinct electromagnetic properties, double negative materials have bright application prospect in many areas in the future The nickel Ni /polyphenylene sulfide PPS composites were prepared by hot pressing Ni and PPS powders mixture Microstructures, dielectric properties, and magnetic performances of the resulted composites were studied in detail...

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Single Step Solid

At present, there is considerable interest in polymer-metal chalcogenides/oxides based nano-composites on account of their tunable optical, magnetic, electronic and catalytic properti Here in, we report a simple single step approach for the in-situ synthesis of combined cobalt sulphide/cobalt oxide in polyphenylenesulphide PPS polymer matrix...

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