Materials Literature
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Long fiber reinforced thermoplastic (LFT) composites have recently found increasing use in transportation, military and aerospace applications and become well established as high volume and low cost materials with high specific modulus and strength, superior damage tolerance, and excellent fracture toughness. This stu…
In this study, p-type Cu 2 O (p-Cu 2 O), n-type Cu 2 O (n-Cu 2 O), and n-p Cu 2 O homojunction films produced by electrochemical deposition (ECD) and rapid thermal annealing (RTA) processing was characterized. The Cu 2 O films were fabricated by ECD methods and characterized before and after RTA treatments using sever…
The sea urchin spines are composed of three-dimensionally bicontinuous porous magnesium-containing calcium carbonate embedded with a small amount of organic matrix. In this work, the selective dissolution process of transverse cross sections of sea urchin spines in aqueous solutions of Cu(NO3)2 was investigated to unr…
The acid/base chemistry of hydrolysable Al( iii ) species with a clay (bentonite and kaolin) system was investigated at 35 °C in the expanded solution pH range from 1 to 9.
A number of neutral beams with ballistic focusing were developed in several recent years for fusion studies in the Budker Insitute. Diagnostic neutral beam injectors for large stellarator W-7X and tokamak T-15 were produced and tested. A high power, relatively low energy neutral beam injector was developed to upgrade…
Magnetically-active hybrid networks (MHNs) are complex inorganic/organic composite materials that have been synthesized from the coupling of amine-functionalized iron oxide nanoparticles (amine-IONs) and pre-assembled shell crosslinked knedel-like (SCK) polymeric nanoconstructs. The intricate structure of these materi…
Fluorescent and magnetic bifunctional NaLuF4:Yb3+/Tm3+/Gd3+ nanocrystals were synthesized by the solvothermal method and subsequent surface modification. By changing the doping concentration of Gd3+, the shape, size, luminescent properties, and magnetic properties of the nanoparticles can be modulated. These NaLuF4:Yb…
There is a clinical need for tissue-engineered small-diameter (<6 mm) vascular grafts since clinical applications are halted by the limited suitability of autologous or synthetic grafts. This study uses the self-assembly approach to produce a fibroblast-derived decellularized vascular scaffold (FDVS) that can be avail…
Mechanical properties of both pure and chopped carbon fiber reinforced polyetheretherketone samples have been carried out. It was shown that the reinforcement resulted in increasing the elasticity modulus, compression and tensile ultimate strength by a factor of 3.5, 2.9 and 2.8, respectively. The fracture surfaces ha…
Molecular interaction (MI) is fundamental phenomena in nature. Chromatography is a tool to quantitatively measure the degree of molecular interactions. The qualitative explanation has been performed using solubility factors [1]. The quantitative explanation is achieved using computational chemical calculation (In sili…
Using racemic GSH as ligand, AgNCs with aggregation-induced emission enhancement and chiral flip were synthesized with solid-phase synthesis method.
In this study, the mechanical properties of polyamide 12 (PA12) exposed to two types of fuel, B5market standard diesel with 5% biodiesel and B100pure biodiesel were investigated. The PA12 analyzed was a commercial grade VESTAMIDX7393, used for fuel hoses manufacturing. Samples for tensile and impact tests, obtained by…
As an index of viscosity, flowability of natural fiber polypropylene composites is assessed by spiral mold test using injection molding machine. The effect of the processing parameters like the injection temperature at 180-220°C, injection pressure at 500-1000 bar and the mold temperature of room temperature and 80°C…
Adding the natural fibre thermoplastic composites NFTC to engineering plastics represents a challenge due to the high temperature processing which in turn could result in the natural fibre damage. Finding applications for NFTC depends not only on the mechanical properties but also on the physical ones and the flame re…
Researchers and developers always aim to predict the complete process chain as well as the structural properties of continuous fiber reinforced plastic parts. For such a prediction the material properties have to be considered as well as the process steps. To manufacture a structural component, the semi-finished produ…
The performances of electrical machines depend highly on the behavior of ferromagnetic materials. In some applications, these materials operate under dc polarization, i.e., when the magnetic field oscillates around a dc bias. In that condition, it is required to know the incremental permeability, which characterizes t…
Properly introducing O 2 into the thermochemical processing (TCP) of fuel is not simply just burning fuel. It can improve thermal efficiency, simplify TCP operation, reduce CO 2 emission, help to utilize unminable energy resources, etc.
The ketone/ gem -diol (L1H 2 ) and bis( gem -diol) (L2H 4 ) forms of the ligand 2,6-di-(2-pyridylcarbonyl)pyridine in Mn cluster chemistry have afforded the new complexes [MnII4MnIII2(N 3 ) 6 Cl 4 (L1) 2 (DMF) 4 ] and [MnII4MnIII6O 2 (N 3 ) 12 (L1) 2 (L2H) 2 (DMF) 6 ].
Self-similar chain based nanolens plasmonic devices were fabricated for detecting single point mutations.
Thermal barrier coatings are becoming increasingly important in providing protection from high temperature degradation for heat engine components and allow further increase in engine temperatures for higher efficiency. The main objective of this research work is to experimentally investigate the air plasma sprayed ytt…