Materials Literature
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This issue of Mapana-Journal of Sciences is devoted to research articles from Physical Sciences.Researchers from various universities have contributed to the present issue.The first article is on 'Characterization and electrical conductivity of electron beam irradiated metal phthalocyanine complexes'.The second articl…
This paper analyses the Partial Discharge (PD) on the stator terminals of synchronous generator. This is necessary to collect experimental data for the analysis. First, exploiting the measurement devices, special signals that describe the partial discharges are repeatedly collected. Then, based on the current standard…
TORSION OF A RADIALLY COMPOSITE CIRCULAR CYLINDRICAL BEAM BY A GREEN’S FUNCTION TECHNIQUE FOR A COMPOSITE BODY
This study presents a micromechanics model based on the variational asymptotic method for unit cell homogenization (VAMUCH) to predict the effective elastic properties of a continuous fuzzy fiber-reinforced composite material. The constructional feature of the fuzzy fiber-reinforced composite (FFRC) proposed in [S.I.…
International audience
THE DISTRIBUTION OF STRESS IN A TRANSVERSELY ISOTROPIC MEDIUM WITH CYLINDRICAL CAVITY AND EXTERNAL CRACK
PROPAGATION OF ELASTIC DISTURBANCE IN A NONHOMOGENEOUS MEDIUM UNDER A TIME-DEPENDENT SHEARING FORCE AT THE BOUNDARY OF A HEMISPHERICAL CAVITY
Based on a low temperature route (sol-gel autocombustion) a nano-ferrite CoFe2O4and Li0.5Fe2.5O4 and different percentages of cobalt-ferrite are synthesized. The crystalline structure by XRD and dielectric properties with TEM micrographs are presented. The XRD (crystallite size and lattice parameter) are determined wh…
THE RESPONSE OF SKIN FRICTION TO THE ANGLE AND PERTURBATION PARAMETERS IN FLOW PAST AN AXISYMMETRIC BODY WHEN THE MAIN STREAM IS IN UNSTEADY MOTION
Eloísa Berbel Manaia,1 Renata Cristina Kiatkoski Kaminski,2 Anselmo Gomes de Oliveira,1 Marcos Antonio Corrêa,1 Leila Aparecida Chiavacci1 1Drugs and Medicines Department, Faculty of Pharmaceutical Sciences, 2Physical-Chemistry Department, Chemistry Institute, São Paulo State University – UNESP, Araraquara, Brazil Abs…
[ES] El principal objetivo de la Tesis es poner de manifiesto cómo la presencia de entallas induce cambios en el comportamiento mecánico y en fractura de probetas de acero perlítico con distinto grado de trefilado bajo solicitaciones de tracción y flexión por cuatro puntos. La Tesis se vertebra en dos ejes fundamental…
Heterocyclic Amines (HCAs) are a group of mutagenic and caricinogenic chemicals found in muscle meat after grilling, frying, or broiling. Research studies show that very low amounts of HCAs are created from creatin(in)e reacting with another amino acid at temperatures greater than 200 C. Other studies show that plant-…
Mohammed A Al Gurabi, Daoud Ali, Saad Alkahtani, Saud Alarifi Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia Abstract: Nanoparticles can potentially cause adverse effects on organs, tissue, cell levels, and protein levels because of their physicochemical properties. Silver nanopa…
In high speed inkjet printing system equipped with a drying system, IR type drying system is preferable considering recent needs for compact and light-weight design. However, the IR type drying system has a risk that a cockle height changes depending on colors of ink. Thus, the authors investigated the relationship be…
Patterned anti-reflective (AR) film using hollow silica nanoparticles (HSNPs) was achieved by inkjet printing technology. Various refractive indices for optimizing AR coating on different substrates were controlled by tuning the void space and wall thickness of HSNPs. Highly enhanced mechanical resistance could also o…
Drop coalescence and ink reflow significantly affect the image quality in inkjet printing, especially on coated and non-absorbent substrates. In this study, the coalescence of inkjet-printed drops on a non-absorbent substrate was numerically simulated and compared with machine tests. Using a commercial software Flow-3…
Hansen solubility parameters (HSPs) provide quantitative insight into the surface chemistry of nanomaterials, enabling a unique approach to ink formulation. In this work, HSPs of upconverting NaYF4 nanoparticles were subjected to a broad spectrum solvent testing method, and a binary solvent gradient (BSG) method to el…
Polyester-encapsulated wax emulsions were investigated in the synthesis of polyester CPT to achieve a toner with complete incorporation of wax. The toner provided not only low-temperature fusing, but also improved durability, storage stability, and reduced contamination of print engine components. Polyester-encapsulat…
We are developing graphene derivatives by physical functionalization. The products are believed to be composed of graphene core surrounded by functional groups which are helping out the solubility of material in certain kind of solvents. These functional groups are cleavage under high heat and or irradiation to render…
Novel multicolor electrochromic (EC) device with on electrochemical silver deposition mechanism was successfully demonstrated. The novel EC device enabled reversible color change between transparent, red and blue color in a single cell by using voltage step method which controlled the size of deposited Ag nanoparticle…