Materials Literature
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Due to the deformable and locally adjustable characteristics and local field enhancements, near-zero-index (NZI) medium has found applications in sensors, waveguides, integrated circuits, and other fields. Here a cylindrical microfluidic channel is etched into epsilon-near-zero (ENZ) medium and a microfluidic sensor w…
In this paper, a metamaterial absorber with simultaneous high optical transparency and broadband microwave absorption is presented. By tailoring the reflection response of meta-atoms, 80% absorption performance from 6.8GHz to 18GHz is achieved. In the meantime, by employing transparent substrates, including indium tin…
In this paper, an integrated structure of absorption and transmission based on frequency selective surface (FSS) is designed. The structure mainly consists of a loss layer at the top and a lossless layer at the bottom. In the middle of broadband absorption band, the transmission band can be realized. Specifically, the…
A high-efficiency transmission wide-angle scanning C-band frequency selective surface (FSS) is proposed in this article. The designed frequency selective surface adopts C sandwich structure. The frequency selective surface unit adopts a symmetrical structure from top to bottom, the top and bottom surfaces are skin lay…
Metasurfaces present high capabilities for wavefront tailoring. Classical metasurfaces composed of densely packed meta-atoms with local electromagnetic response show limitations in terms of efficiency. Here, we present and discuss the design of sparse metasurfaces composed of only few elements with strong electromagne…
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A novel finger-connected interdigital capacitor-based composite right/left-handed transmission line and it's application in leaky-wave antenna is studied. Since the additive slots and patches, the novel composite right/left-handed transmission line unit-cell eliminates the undesired resonances which exist in the tradi…
Design an FSR with an ultra-wide absorption band. The FSR is composed of an resistor layer and a bandpass FSS. The bandpass FSS is composed of multiple layers of metal layers and a dielectric substrate. This structure does not resonate in the operating band and can be effectively avoided The impact of higher harmonics…
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Abstract To minimize retention of nuclear fuel materials in glove box components and curtail the external exposure dose, plutonium and uranium mixed oxide powder adhesion prevention technology involving nanoparticle coating of the acrylic panels of the glove box is developed. The nanoparticle coating reduces the van d…
Abstract As the key component of RPV steel, α-Fe is under neutron irradiation during its long-term service, and lattice atoms of α-Fe are knocked by neutrons, which leads to irradiation damage. In this paper, molecular dynamics method is conducted to investigate the effect of temperature, vacancy concentration and ten…
Abstract This work aims to develop a finite element model of a PWR control rod at operating conditions for stress analysis of the rod cladding. The finite element model simulates a control rod exposed to high operating temperatures and pressure while portions of the rod are irradiated, resulting in accumulated fluence…
This manuscript discussed the sediment provenance of Central Yellow Sea mud (CYSM) and their controlling factors based on the analysis of clay mineral composition, rare earth elements and radiogenic Nd isotope of core 11 YS-PCL14 in the Yellow Sea. This manuscript present some new evidences to trace the sediment prove…
Abstract The central measuring shroud, as an important in-vessel component, provides guidance and protection for control rods and measuring equipment in a sodium-cooled fast reactor (SFR). The lower head of central measuring shroud (LHCMS), which is located above the core outlet, is only 500mm away from the core outle…
Abstract It is important to avoid a risk of stress corrosion cracking (SCC) of structure materials in nuclear power plants. One of the methods for preventing SCC is titanium-dioxide (TiO2) injection. TiO2 is a photo-catalyst, and injected TiO2 deposits on the surfaces of structure materials, and the deposited TiO2 can…
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Abstract In order to more accurately simulate the strong neutronics physical and thermal-hydraulic coupling phenomenon in a typical PWR, ARMcc (a software for the physical thermal coupling calculation of PWR core) is developed. In the ARMcc, the physical calculation module is based on the fourth-order nodal expansion…
Abstract Studies on the local damage to reinforced concrete (RC) panels subjected to projectile impact have mainly focused on collisions that occur at an angle normal to the structure; thus, research on oblique impact is scarce. Due to this, we conducted research focusing on oblique impact to enable more realistic imp…
Abstract To better understand irradiation creep of nuclear fuel, NRG has prepared, as part of the H2020 European project INSPYRE, a separate effect irradiation experiment in the High Flux Reactor (HFR) in Petten (the Netherlands) aiming to measure fuel creep in-pile as a function of temperature, flux, burn-up and axia…
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