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2.47
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Published on Jan 10, 2019in Materials 2.47
A. Enfedaque13
Estimated H-index: 13
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M.G. Alberti9
Estimated H-index: 9
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J.C. Gálvez18
Estimated H-index: 18
Polyolefin fiber-reinforced concrete (PFRC) has become an attractive alternative to steel for the reinforcement of concrete elements, mainly due to its chemical stability and the residual strengths that can be reached with lower weights. The use of polyolefin fibers can meet the requirements of standards, although the main constitutive relations are based on experience with steel fibers. Therefore, the structural contributions of the fibers should be assessed by inverse analysis. In this study, ...
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Published on Feb 23, 2019in Materials 2.47
Serena Esposito17
Estimated H-index: 17
The sol-gel method is an attractive synthetic approach in the design of advanced catalytic formulations that are based on metal and metal oxide with high degree of structural and compositional homogeneity. Nowadays, though it originated with the hydrolysis and condensation of metal alkoxides, sol-gel chemistry gathers plenty of fascinating strategies to prepare materials from solution state precursors. Low temperature chemistry, reproducibility, and high surface to volume ratios of obtained prod...
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Published on Jan 18, 2019in Materials 2.47
Jiajie Kang1
Estimated H-index: 1
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Mingzheng Wang1
Estimated H-index: 1
+ 4 AuthorsChengbiao Wang20
Estimated H-index: 20
This study experimentally investigated the effect of surface textures on the tribological mechanism of nitrided titanium alloy (Ti–6Al–4V). The titanium alloy samples were nitrided at various temperatures ranging from 750 to 950 °C for 10 h in a plasma nitriding furnace. Then, surface textures were fabricated on the polished titanium alloy and plasma nitrided samples by laser process system. The surface roughness, microhardness, and constitution of samples treated by single nitriding and samples...
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Published on Feb 12, 2019in Materials 2.47
Sung Hyun Lee2
Estimated H-index: 2
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Kyeong-Seok Lee1
Estimated H-index: 1
+ 3 AuthorsSu-Il In15
Estimated H-index: 15
Intracerebral local field potential (LFP) measurements are commonly used to monitor brain activity, providing insight into the flow of information across neural networks. Herein we describe synthesis and application of a neural electrode possessing a nano/micro-scale porous surface topology for improved LFP measurement. Compared with conventional brain electrodes, the porous electrodes demonstrate higher measured amplitudes with lower noise levels.
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Published on Jan 3, 2019in Materials 2.47
Gianluca Balzamo1
Estimated H-index: 1
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Naval Singh + 3 AuthorsElisa Mele21
Estimated H-index: 21
Porous materials derived from natural resources, such as Luffa sponges, pomelo peel and jute fibres, have recently emerged as oil adsorbents for water purification, due to their suitability, low environmental impact, biodegradability and low cost. Here we show, for the first time, that the porosity of the fruiting body of polypore mushrooms can be used to absorb oils and organic solvents while repelling water. We engineered the surface properties of Ganoderma applanatum fungi, of which the fruit...
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Published on Jan 14, 2019in Materials 2.47
Zicheng Ling , Weiping Chen7
Estimated H-index: 7
+ 3 AuthorsJian Liu6
Estimated H-index: 6
The influence of a Mo addition on the interfacial morphologies and corrosion resistances of novel Fe-Cr-B alloys in molten aluminum at 750 °C was systematically investigated using scanning electron microscopy, X-ray diffractometer, electron probe microanalysis, and transmission electron microscopy. The results indicated that Mo could not only strengthen the matrix but also facilitate the formation of borides. Furthermore, the microstructures of Mo-rich M2B boride changed from a local eutectic ne...
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Published on Feb 20, 2019in Materials 2.47
Surface wettability plays an important role in determining the function of a wound dressing. Dressings with hydrophobic surfaces are suitable for bacterial adsorption, however, a hydrophilic surface is needed to improve cell attachment for most anchorage-dependent cell types. Furthermore, the hydrophobicity/hydrophilicity of the surface can be used to direct cellular processes such as cell initial attachment, adhesion, and migration during wound healing. Thus, a surface with an ability to switch...
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Published on Jan 30, 2019in Materials 2.47
Vito Speranza16
Estimated H-index: 16
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Sara Liparoti13
Estimated H-index: 13
+ 1 AuthorsGiuseppe Titomanlio27
Estimated H-index: 27
Mold surface temperature strongly influences the molecular orientation and morphology developed in injection molded samples. In this work, an isotactic polypropylene was injected into a rectangular mold, in which the cavity surface temperature was properly modulated during the process by an electrical heating device. The induced thermo-mechanical histories strongly influenced the morphology developed in the injection molded parts. Polarized optical microscope and atomic force microscope were ado...
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Published on Jan 8, 2019in Materials 2.47
Yuanchao Li2
Estimated H-index: 2
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Lu Mi + 2 AuthorsJianping Liang1
Estimated H-index: 1
A series of D-π-A type dyes were designed based on the experimentally synthesized A1 by introducing different functional groups on the donor and π-spacer, and the optical and electrical properties were calculated by using density functional theory (DFT) and time-dependent DFT (TD-DFT). P1–P6 present highest light harvesting efficiency (LHE), driving force of electron injection ( Δ G i n j e c t ), reorganization energy ( Δ G r e g ) and e V O C . These critical parameters have a close relationsh...
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Published on Feb 4, 2019in Materials 2.47
Jan Salač , Jana Šerá2
Estimated H-index: 2
+ 3 AuthorsMarek Koutný8
Estimated H-index: 8
Orotic acid is a natural heterocyclic compound that acts as a nucleation agent in poly(lactic acid) (PLA). PLA materials with increasing orotic acid content were prepared and characterized. It was found that crystallinity of about 28% was reached with 0.3% content of the agent. Further enhancement in the content of the agent did not provoke any additional significant increase of crystallinity. Subsequently, it was investigated whether the orotic acid content affected photodegradation of PLA and,...
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