The aim of this study was to investigate the crystallization behavior nano-wire SiO2-Li2O glass ceramic during slow cooling process by using density functional theory (DFT). For purpose, extended tight-binding with self-consistent charge (SCC-DFTB) used geometric optimization and molecular dynamics (MD) for model system. structural development analysed radial distribution function (RDF) at dete...

in this study, an attempt has been made to study the effect of bi2o3 addition as nucleating agent on the liquid-liquid phase separation, crystallization and dielectric properties of samples prepared by sintering and crystallization of powdered glass in pbo-tio2-b2o3-sio2 glass-ceramic system using dta, xrd, sem and lcr techniques. the results showed that the addition of bi2o3 resulted in a quit...

In automotive technology, the proper use of thermal insulation materials helps improve performance and life internal equipment reduce maintenance cost. this study, plasma spraying flame are used to prepare coat a new MgO-B2O3-SiO2-Zn powder on SUS304 substrate. The resulting coating as layer formed networked microstructure between substrates material. By validation radiation experiments, effect...

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Ceramic coatings on R60705 zirconium alloy were prepared the surface by micro-arc oxidation (MAO) technique in electrolytes containing Na2SiO3, NaOH, and Na2EDTA. The growth behavior of MAO ceramic at different stages, including rate, microstructure, phase composition, was investigated using method direct observation boundary area. results showed that occurred both inward outward directions. At...

a new anti-corrosion compound, melamine formaldehyde (mf), was formulated by the addition of proper amount of formaldehyde to melamine under specific conditions. this compound was mixed with a novel nano powder, which was extracted from corn cob ash containing sio2 particles, in order to improve its corrosion inhibition efficiency. this inhibitor provides a high level of protection for steel su...

The primary objective of this study is to demonstrate the possibility developing silica, alumina, and zircon-based photocurable ceramic suspensions that can be used for visible light photopolymerization (> 450 nm) optimise binder formulations purpose LCD-based 3D printing applications. Reference components work are cores employed in investment casting high-pressure turbine blades vanes. Arguabl...

Bioactive glass formed on the base sample (Go) of 45S5 system with fluorine additives samples were prepared by melt quenching method. The glassy samples were subjected to DTA for determining temperatures at which phase transition occur. FTTR spectroscopy shed a light on the sorts of compounds, their structure as well as their functional groups. The crystalline nature of samples was confirmed by...