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Fernanda Caio and Christian Moreau
This study investigated the influence of the substrate shape and roughness on the microstructure of suspension plasma spray (SPS) coatings. For this purpose, an yttria-stabilized zirconia (YSZ) suspension was sprayed on flat and curved stainless-steel su...
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Mangesh D. Teli,Sanket P. Valia
In this paper jute fibre was modified with three different chemical modification techniques namely acetylation using acetic anhydride, grafting using butyl acrylate monomer and fatty acid modification using oleic acid to increase the oil sorption capacit...
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Yu Zhang, Zhanqi Cheng and Hu Feng
Functional gradient materials (FGMs) have tremendous potential due to their characteristic advantage of asymptotic continuous variation of their properties. When an FGM is used as a coating material, damage and failure of the interface with the substrate...
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Rion Parsons, Asman Tamang, Vladislav Jovanov, Veit Wagner and Dietmar Knipp
The optics of axial silicon nanowire solar cells is investigated and compared to silicon thin-film solar cells with textured contact layers. The quantum efficiency and short circuit current density are calculated taking a device geometry into account, wh...
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Zhi Ting Ye, Hong Thai Nguyen, Shih-Wei Feng, Hsiang-Chen Wang and Hwei-Ling Chou
InGaN/GaN samples grown on c-plane sapphire substrate with different In concentrations by metal organic chemical vapor deposition are demonstrated. The subsequent capping GaN layer growth opens a possibility for dislocation reduction due to the lateral s...
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Giuseppe Catania and Matteo Strozzi
The damping behaviour of multi-layer composite mechanical components, shown by recent research and application papers, is analyzed. A local dissipation mechanism, acting at the interface between any two different layers of the composite component, is tak...
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Alexander Tkach, André Santos, Sebastian Zlotnik, Ricardo Serrazina, Olena Okhay, Igor Bdikin, Maria Elisabete Costa and Paula M. Vilarinho
If piezoelectric thin films sensors based on K0.5Na0.5NbO3 (KNN) are to achieve commercialization, it is critical to optimize the film performance using low-cost scalable processing and substrates. Here, sol–gel derived KNN thin films are deposited...
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Prakash K. C,Vinesh P. V,Vivek R,Mohammad Ameen,Vasudevan K
Pág. 122 - 128
A compact single feed circularly polarized microstrip patch antenna for RFID applications is proposed. Antenna geometry includes a regular hexagon shaped patch with a polygonal slot embedded at the centre. The slot accounts for circular polarization and ...
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Nicola Aldi, Nicola Casari, Michele Pinelli, Alessio Suman, Alessandro Vulpio, Ottavio Mantovani and Paolo Saccenti
In industrial applications such as chemical plants, cement factories, and glassmakers, large-sized centrifugal fans are commonly used for dust-laden flow processing. In many cases, the contamination is due to solid particles responsible for fouling and e...
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Evgeniy V. Orekhov, Andrey Yu. Arbenin, Elena G. Zemtsova, Darya N. Sokolova, Alexandra N. Ponomareva, Maxim A. Shevtsov, Natalia M. Yudintceva and Vladimir M. Smirnov
Modern materials science, both in terms of functional and structural materials, is actively developing towards the creation of structures with a given ordering. A wide range of methods involves ordering the structure according to a template shape. Templa...
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Christian Wacker, Markus Köhler, Martin David, Franziska Aschersleben, Felix Gabriel, Jonas Hensel, Klaus Dilger and Klaus Dröder
Wire arc additive manufacturing (WAAM) is a direct energy deposition (DED) process with high deposition rates, but deformation and distortion can occur due to the high energy input and resulting strains. Despite great efforts, the prediction of distortio...
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Vladimir Zaykov,Vladimir Mescheryakov,Yurii Zhuravlov
Pág. 63 - 73
The systems maintaining thermal regimes are a necessary component of thermally-loaded radio-electronic equipment, without which its operation is impossible. The uneven distribution of heat emitted by components such as semiconductor lasers, receivers of ...
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Hin On Chu, Shigeng Song, Cheng Li and Des Gibson
Surface Enhanced Raman Spectroscopy presents a rapid, non-destructive method to identify chemical and biological samples with up to single molecule sensitivity. Since its discovery in 1974, the technique has become an intense field of interdisciplinary r...
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Bert Verstraeten, Jan Sermeus, Tom Van der Donck, Paul Schuurmans and Christ Glorieux
A laser ultrasonics approach to remotely characterize the elastic and thermal properties of a coating-substrate structure, used to protect fuel claddings in lead-bismuth eutectic cooled nuclear reactors, is presented and validated with experimental resul...
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