Materials Literature
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The industrial manufacturing of YSZ products can be summarized as a three step process: a) hydrolysis of zirconyl chloride and mixing of other solutions, b) precipitation, and c) calcination. The addition of ammonia or OH- is essential in the precipitation process. However, a strong agglomeration was observed in the r…
CdO thin film with different thickness and different particle size are prepared through radio frequency magnetron sputtering technique. Quantum confinement effect causes the significant changes in their optical properties showing significant changes in the optical band gap. The CdO films are very highly conducting and…
Passband filters in the THz frequency range devices are one the most useful application of metamaterials to cover the so called THz gap. A design procedure to obtain THz filters with a broad transmission bandwidth is proposed. We apply the powerful and versatile Periodic Method of Moment (PMM) to evaluate the response…
The paper summarizes the findings of the investigation into properties of diamond powders grown in the Fe-Si-C system. Diamond is synthesized using Fe-Si with a silicon content of the alloy being 5–7 wt %. The influence of the ferrosilicon amount in synthetic diamonds of grade AS6 on the specific diamond consumption i…
The results on nanocomposition modifying in solutions and melts of salts and acids, as well as structural changes associated with the formation of nanocomposition (NC) structure of materials are presented. The associated protonation is a necessary condition for proton separation of primary structure of nanopolymers (P…
Abstract Reactor grade (RG) plutonium, accumulated as nuclear waste of commercial reactors can be re-utilized in CANDU reactors. TRISO type fuel can withstand very high fuel burn ups. On the other hand, carbide fuel would have higher neutronic and thermal performance than oxide fuel. In the present work, RG-PuC/ThC TR…
The salicylaldehyde was used as monomer to modify chitosan. The resin material is characterized by means of IR. In ethanol solvent, Schiff base reaction between chitosan and salicylaldehyde was carried out, the salicylicaldehyde grafted chitosan (S-CTS) was generated. The effects of the reaction temperature, the react…
Graphene is a new material that exhibits remarkable properties from both fundamental and applied issues. This is a 2D matter system whose physical and mechanical features have been approached by using tight binding model, first principle calculations based on DFT and membrane theory. Graphene as a carbon molecule has…
Many-core processor is one of attractive solutions to Cyber-Physical Systems (CPS) that demands high computational power since it can enclose many computational elements into a single physical chip. Network-on-Chip (NoC) that connects the processing cores is the key in terms of the cost, performance, and power in such…
Amphiphilic block copolymer of sodium polystyrene sulfonate (PSS) and polystyrene(St) was prepared under ultrasonic irradiation. The PSS fragment radicals created during the degradation process was used to initiate the polymerization of styrene(St), and a diblock copolymer of poly(SS-b-St) was obtained when the degrad…
Solubility polytherms of the system M(ClO 4 ) 3 -H 2 O (M 3+ = Al 3+ , Ga 3+ , In 3+ ) were measured. Positions of singular points and vitrification ranges were determined. Values of eutectic concentrations were compared with earlier known data on the inversion concentrations measured by the viscometry method. Composi…
We propose electro-tunable composite structure of microcavity based on silicon 2D photonic crystal bar with a trench defect infiltrated with a liquid crystal. The device is fabricated by joint photo-electrochemical etching of deep macropores and trenches with subsequent trench opening from the substrate side. The opti…
This paper presents a new decoupling control strategy for a 12/8 bearingless switched reluctance motor (BSRM) with improved mathematical model. Firstly, the improved mathematical model is built by Maxwell stress tensor method selecting one-forth arc integration path of the fringing magnetic field. Then, a new decoupli…
A novel phosphor, Gd2MoB2O9:Eu3+has been synthesized by solid-state reaction and its photoluminescence in UV-VUV range are investigated. A sharp excitation band is observed in the region of 120–135 nm, which is related to the charge-transfer (CT) band of Gd3+. The broad band around 135–160 nm can be assigned to the BO…
Electric cables are one of the most important components in a nuclear power plant since they provide the power needed to operate electrical equipment. Despite their importance, cables typically receive little attention since they are considered passive, long-lived components that have been very reliable over the years…
This work deals with the computation and analysis of the eddy current losses in fractional slot permanent magnet machines with solid back iron. Losses in the magnets and back iron are calculated for different combinations of slots and pole pairs by finite element simulations. From the comparison of the losses, how the…
The effects of using cyclohexane as a bulky terminal group or as a linkage between multiple mesogens using 1,4-cyclohexane dicarboxylic acid and 1,3,5-cyclohexane tricarboxylic acid has been investigated. We demonstrate that the diversity of mesomorphism is reduced as the complexity of the molecule increases such that…
Cerium oxide (ceria) nanoparticles are widely studied for their current and potential use in catalytic, energy, environment protection and bio-medical applications. The performance of ceria in most of the applications is dependent on the ability of cerium to switch between its +3 and +4 oxidation states. We synthesize…
The crystallization of zeolites in the SiO2-Al2O3-Na2O-K2O-(TEA)2O-H2O system, where (TEA)2O is tetraethylammonium oxide, has been investigated over a wide range of variations in the SiO2: Al2O3 ratio (from 5 to 19). It has been found that, in the composition region under investigation, zeolites crystallize with struc…
The experiment of the rheocasting-rolling for semi-solid magnesium was carried out on the equipment made by ourselves in our laboratory. Semi-solid AZ91D magnesium slurry was prepared by cooling slope and mchanical sirring The evolution of microstructure under different technological parameters were studied. The resul…