نتایج جستجو برای: radar absorbing material

تعداد نتایج: 412129  

F. Azizi, H. Jahangiri

Graphene nanostructures were synthesized by Hummer method. 1, 3, 5 and 7 wt% of graphene nanostructures were suspended in certain amount of acetone on a mechanical stirrer and stirred then added to epoxy resin. After 4 hours, solution and Graphene platelets (GPs) were prepared. Nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM ), Fourier transform i...

2016
Xinying Wang Wei Li Libo Zhang Jinhui Peng

The microwave absorbing characteristics of magnetic separation products (magnetic and non-magnetic) of reductive products of ilmenite concentrate were measured by the method of microwave cavity perturbation and the magnetic separation products were characterized by X-Ray Diffraction (XRD). It was demonstrated that metallic iron was a strong microwave absorbing material, while TiO2 was a weak mi...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
Cheng-Wei Qiu Le-Wei Li Tat-Soon Yeo Saïd Zouhdi

Vector potential formulation and parametric studies of electromagnetic scattering problems of a sphere characterized by the rotationally symmetric anisotropy are studied. Both epsilon and mu tensors are considered herein, and four elementary parameters are utilized to specify the material properties in the structure. The field representations can be obtained in terms of two potentials, and both...

2015
Young Joon Yoo Sanghyun Ju Sang Yoon Park Young Ju Kim Jihye Bong Taekyung Lim Ki Won Kim Joo Yull Rhee YoungPak Lee

Perfect metamaterial absorber (PMA) can intercept electromagnetic wave harmful for body in Wi-Fi, cell phones and home appliances that we are daily using and provide stealth function that military fighter, tank and warship can avoid radar detection. We reported new concept of water droplet-based PMA absorbing perfectly electromagnetic wave with water, an eco-friendly material which is very plen...

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