Results 11 to 20 of about 2,980,280 (315)

Design and Preparation of Flexible Graphene/Nonwoven Composites with Simultaneous Broadband Absorption and Stable Properties

open access: yesNanomaterials, 2023
As the world moves into the 21st century, the complex electromagnetic wave environment is receiving widespread attention due to its impact on human health, suggesting the critical importance of wearable absorbing materials.
Song Bi   +5 more
doaj   +1 more source

Investigation of the Broadband Microwave Absorption of Citric Acid Coated Fe3O4/PVDF Composite Using Finite Element Method

open access: yesApplied Sciences, 2019
Magnetite (Fe3O4) have been thoroughly investigated as microwave absorbing material due to its excellent electromagnetic properties (permittivity and permeability) and favorable saturation magnetization.
Lawal Lanre Adebayo   +5 more
doaj   +1 more source

Physical and Microwave Absorption Characteristics of High Powered Ultrasonically Irradiated Crystalline BaFe9Mn1.5Ti1.5O19 Particles

open access: yesInternational Journal of Technology, 2020
Barium hexaferrite (BHF) with the chemical formula BaFe12O19 is a well-known permanent magnet and is still primarily used in various electrical devices.
Erlina Yustanti   +2 more
doaj   +1 more source

The Improved Microwave Absorption Performance of the 3D Porous (Ni@NO-C)n/NO-C Composite Absorber

open access: yesNanomaterials, 2023
Microwave absorbers that are lightweight and have good stability and high efficiency have attracted much attention for their applications in many contemporary fields.
Xinmeng Jia   +3 more
doaj   +1 more source

Anti-radar application of multiwalled carbon nanotubes and zinc oxide synthesized using a hydrothermal method

open access: yesMaterials Research Express, 2020
Anti-radar technology is essential to reinforce countries defense capacity. Previous studies have shown how the combination of a resistive material with a magnetic one is a good option for the development of radar absorbing materials.
Agus Subagio   +3 more
doaj   +1 more source

Absorbing properties of CIPs coatings and oxides modified by selective surface technology

open access: yesCailiao gongcheng, 2019
The periodic structure coating maintenance process based on the selective surface was proposed. The coating of oxidized Fe and carbonyl iron particles (CIPs) was obtained by the corrosion method.
ZHOU Li   +3 more
doaj   +1 more source

Responses of Polystyrene/MWCNT Nanocomposites to Electromagnetic Waves and the Effect of Nanotubes Dispersion [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2014
Electromagnetic compatibility (EMC) and electromagnetic interference (EMI) have emerged as key issues with respect to commercial and military purposes in association with electromagnetic waves.
Ehsan Aghajari   +4 more
doaj   +1 more source

The Effect of Partial Addition of Silicon on the Electromagnetic Behavior of TiC/Ti3AlC2 Ceramic Matrix Composites [PDF]

open access: yesJournal of Advanced Materials in Engineering, 2023
In this study, the effect of partial addition of silicon on the structural behavior and electromagnetism of TiC/Ti3AlC2 ceramic matrix composites has been investigated.
Kh. Zamani   +3 more
doaj   +1 more source

Preparation and Microwave Absorbing Properties of FexNi1-x Alloy Powders

open access: yesCailiao gongcheng, 2018
The FexNi1-x (0 < x < 1) alloy powders with different compositions were prepared by an oxalate precipitation-precursor thermal decomposition process. The phase structure and morphology of the precursor and FexNi1-x powder were characterized by XRD and ...
YAO Yong-lin   +3 more
doaj   +1 more source

Enhanced Microwave Absorption Bandwidth in Graphene-Encapsulated Iron Nanoparticles with Core–Shell Structure

open access: yesNanomaterials, 2020
Graphene-encapsulated iron nanoparticles (Fe(G)) hold great promise as microwave absorbers owing to the combined dielectric loss of the graphene shell and the magnetic loss of the ferromagnetic metal core.
Danfeng Zhang   +5 more
doaj   +1 more source

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