Materials Literature
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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…
Properties of materials are constituted by molecular structures. The molecular dynamics simulation technique has an advantage in clarifying the relationship between molecular structure and properties through analysis of atomistic structure and dynamics, which are difficult to measure by experiment. On the other hand,…
Printing technique offers several advantages in manufacturing electronics such as a direct writing of materials, reduction of chemical waste, and reproducibility with high-resolution scale, which are not affordable from other solution-based approaches. Especially for the TFTs fabrication, printing can significantly si…
In this research we utilize polyaniline nanofibers in security printing applications. Polyaniline nanofibers were synthesized to allow an aqueous-based ink to be created. Inks with different weight percentages of polyaniline nanofibers were formulated, printed into desired patterns on a variety of substrates using dig…
This work presents current results regarding environmental friendly and cost effective thermoelectric generators (TEG) produced by different printing techniques. Thermoelectric devices convert wasted heat into electricity. It is shown that a polymer-based printed thermoelectric generator provides a cost effective alte…
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