Materials Literature
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During the last decade a considerable effort has been devoted for developing energy generating systems based on advanced nuclear technology within the design concepts of GEN-IV. Thorium base fuel systems such as accelerator driven nuclear reactors are one of the often mentioned attractive and affordable options. Sever…
The characterization, dc and ac ionic conductivity studies of 0.19Ba(NO3)2 - 0.81KNO3: CeO2 nano dispersed sysyem, σx, has been measured from room temperature to nearly their melting points. At any temperature the maximum enhancement in conductivity occurs at 10.8m/o 0.19Ba(NO3)2 - 0.81KNO3:CeO2. The activation energi…
We have prepared the polycrystalline samples of compositions YMn1+xO3 (x =0, 0.17) and studied their structural properties using x-ray diffraction and Raman spectroscopy measurements. The sample with composition Y:Mn = 1:1 showed the antiferromagnetic transition in the magnetization verses temperature (M-T) measuremen…
The thermo-mechanical properties of Shape Memory Alloys (SMA) as smart materials suggest their application as actuators, but also as dampers, thanks to the high damping properties during the hysteresis of the thermo-elastic martensitic transformation. Damping in civil engineering is needed to minimize earthquake effec…
Previous studies have shown the feasibility of production of masonry blocks and panels from agglomeration of cotton gin waste and calcium binders. Cotton gin waste is a serious problem for ginning plants, because in Argentina approximately 300,000 t of lignocellulosic wastes are produced annually without any final dis…
Th e paper deals with Shape memory alloy (SMA) spring analysis and its possibility for usage as actuator for in-pipe machine.In the paper the inner structure of SMA is introduced.Further, the experimental analysis of SMA contractor and expander was done.From the experiments was found that SMA spring has several disadv…
The structural and interfacial properties of the inclusion of silicon nanoparticles in two classes of polymeric binders (1) a soluble polymer, and (2) a polymerizing monomers were investigated using small angle x-ray (SAXs) technique. The soluble polymers were cellulose acetate butyrate (CAB), and commercial quality,…
Nanoporous metals have recently been drawn significant interest in various fields of research. Their high surface-to-volume ratio present a strong potential for applications in sensing, catalysis, micro-electromechanical systems (MEMS) and even in the medical field. However, the mechanical properties of nanoporous met…
Because of its outstanding thermochromic characteristics and metal-insulator transition (MIT) property, nano-vanadium dioxide (abbreviated as nano-VO2 or nVO2) has been applied widely in electrical/optical devices and design of intelligent window. However, the biological effect of nVO2 is not well understood, especial…
Epoxy resin is one of the most versatile thermosetting polymers with diverse applications. Epoxy resins are mainly produced from the reaction of bisphenol-A (BPA) and epichlorohydrin. The consumption of bisphenol-A is facing growing concerns over its carcinogenic effects and its sustainability. Lignin can be a promisi…
Four different formulations of natural fiber-polymer composites were fabricated from mixtures of hazelnut (Corylus avellana) husk flour (HHF), polypropylene (PP) and high density polyethylene (HDPE).Variables examined included polymer and coupling agent types. All formulations were compression molded in a hot press fo…
Five carbon black supports with medium surface area about 400 m2 g-1 were studied for deposition of 60 wt. % platinum from aqueous solutions of hexachloroplatinic acid by impregnation. The catalysts were compared in terms of X-ray diffraction, Laser Raman spectroscopy, pulse H2 chemisorption, electrocatalytic properti…
In this study, Multiwall Carbon Nanotubes (MWCNT) reinforced High Density Polyethylene (HDPE) materials were used. Mechanical properties of the samples reinforced with Carbon Nanotubes at weight ratios of 1%, 3% and 5% were investigated. Reinforced samples were compared to samples produced with pure High density Polye…
PACls overdosage has negative impact on the operation and the effectiveness of coagulation and separation of post-coagulation suspensions. The results of the pilot study revealed that a sharp increase of fine particles was observed at reaching and exceeding the isoelectric point. Based on the full-scale research with…
The study of the parts fracture surface is the basic and important part of determination of the fracture process causes and chronology. The quality and objectivity of fractographic analysis depends largely on the effectiveness of tools used for the fracture study. The main disadvantage of traditional methods used in t…
Enzymes are “green” alternative to conventional chemical catalysts offering several advantages including high selectivity, high efficiency, ability to operate under mild conditions, recyclability and biocompatibility. This paper will first give an overview of the functionalization of natural and synthetic polymers. Su…
While the Navier boundary condition, which claims the proportionality between fluid slip velocity and wall shear stress (Qian et al., 2003, Bocquet and Barrat, 2007), was established by Thompson and Troian (1997) for a single-phase Newtonian fluid flowing along an atomically defect-less solid wall under a wide range o…
What is an edible packaging? An edible film or coating is simply defined as a thin film of edible material formed and sprayed on foods or food components. This package can be eaten as a part of the whole food product; it is also biodegradable, so if dumped it will disintegrate in reasonable short time. Edible films an…
Neutrophile elastase has the capacity to degrade elastin, a protein found in the connective tissue of the lungs. Unchecked elastase leads to pulmonary pathologies. Therefore, the development of elastase inhibitors is currently actively pursued in the therapeutic field. Several triterpenoids have been reported as inhib…
One of the most salient features of heavy fermion superconductivity is its coexistence with various competing orders. Superconductivity often emerges near or at the border of these exotic orders and their interplay may give rise to many interesting quantum phenomena. In this paper, we give a brief review of the variou…