Materials Literature
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In this study ensuring a filming technology is attempted through dispersion technologies and mixing polymer scaffolds in order to produce films based on the nanowaires obtained from chitin. In addition this study proposes technologies in measuring and improving characteristics of films produced using nanowires and for…
In recent years, electrochemical supercapacitors have aroused wide advantages due to strong demand for flexible, portable, and lightweight energy devices. Supercapacitors are promising power source for automotive applications, have many advantages compared to traditional capacitors and secondary batteries such as high…
Poly(lactide) (PLA) stereocomplexes, formed by the mixing of two enantiomers poly(L-lactide) and poly(D-lactide), have many favorable characteristics. The stereocomplex showed a 50°C higher melting point than that of each enantiomeric polymer. The resistance toward hydrolytic degradation was increased. In this study,…
In this article theoretical models and some existing data sets were examined in order to model the two main causes (hydrogen embrittlement and corrosion-cracking under stress) of the called environmentally assisted cracking phenomenon (EAC). Additionally, a computer simulation of flat metal plate subject to mechanical…
Divinylbenzene cross-linked polystyrene is the polymer of choice for use solid-phase organic synthesis. In an attempt to overcome the shortcomings of divinylbenzene cross-linked polystyrene and to synthesize polymers with optimum properties for use in organic synthesis. we have examined the utility of our resins in sy…
Recently, interest in global environment has been increasing. Demands for improved structural components and lightweight parts are increasing. It is further necessary to increase the strength of high-carbon steel wires. Delamination is a critical problem of high-strength steel wire. A major factor in the delamination…
In order to improve the tensile properties, crosslinking agent was added to PLA/PBAT polymer alloy. We compared the effect of the powder type and liquid type crosslinking agent. Also the tensile properties of PLA/PBAT specimens were measured using split Hopkinson pressure bar method at high strain rates.
Results of this study are presented in three sections: In the first section, the correlation between mechanical stiffness and heat transport along the solid framework is theoretically investigated.Hereby, structural modelling of highly ordered and of statistically isotropic porous materials is considered for correlati…
In this paper to improve the ionic conduction properties, lanthanum silicate apatite La9.33(SiO4)6O2 ceramic, which substituted by V ions at Si-site, were fabricated by the mixed-oxide method. And we investigated the structural and electrical properties of La9.33(Si6-□v□)6O26 specimens with variation of dopants for th…
In this work, Ni doped activated carbon aerogels were prepared by using KOH activation of carbon aerogels and nickel nanoparticles deposition to improve hydrogen storage capacity. The presence of Ni particles on activated carbon aerogels was investigated by X-ray photoelectron spectroscopy. The pore structure and spec…
ISBN 978-80-8077-462-2.
Bereits seit einigen Jahrzehnten steht Magnesium im Fokus der Medizintechnikforschung im Bereich der bio-resorbierbaren Implantatmaterialien. Neben den Eigenschaften, die Magnesium für die Anwendung als Implantatmaterial auszeichnen, besteht jedoch nach wie vor das Problem der anfänglich starken Auflösung von Magnesiu…
В настоящей работе поставлена задача исследования реологических свойств \nмодифицированных по химическому составу сплавов циркония систем Zr – Nb и Zr – Nb – Sn \nприменительно к условиям различных процессов обработки металлов давлением (ОМД) при \nпроизводстве труб и прутков. Для этого были выполнены комплексные плас…
In this thesis, we focus on the effect on device performance by varying positions of nitrogen in carboline compounds—the host materials for blue phosphorescent organic light emitting diodes. The triplet energy level of carboline compounds is higher than carbazole in common use, meaning that different positions of nitr…
The ductile-to-brittle transition behavior of two austenitic Fe-18Cr-10Mn alloys with the combined addition of nitrogen and carbon was investigated in this study. The alloys exhibited a ductile-to-brittle transition behavior because of unusual brittle fracture at low temperatures unlike conventional austenitic alloys.…
A liga ternaria de Co-W-P foi eletrodepositado e otimizado com relacao aos parâmetros operacional e de banho (densidade de corrente e pH) em relacao a sua resistencia a corrosao. O desenvolvimento de banhos estaveis com niveis de pH relativamente baixos e a utilizacao de agentes complexantes para estabilizar e crucial…
The successful synthesis of a family of donor-iridium complex-acceptor triads (T1–T6, pMV1 and mMV1) and their electrochemical and photophysical properties were presented in this work. Triarylamines (TAA) were used as donors and naphthalene diimide (NDI) as acceptor. A bis-cyclometalated phenylpyrazole iridium dipyrri…
We describe a single step route for the synthesis of MoS₂ wires using a chemical vapour deposition (CVD) method. By tuning the CVD growth parameters, the horizontally oriented MoS₂ nanowires on SiO₂/Si substrate can be synthesized successfully. The MoS₂ nanowire has height of about 93 nm and width of about 402 nm with…
The large quantities of the petroleum-based foam materials used have raised concern due to their negative effects on the environment, predominantly single-use articles in packaging applications. Thus, considerable efforts have been put forth to develop environmentally friendly alternatives and, in particular, starch f…
O objetivo deste trabalho é avaliar a influência do tipo de poliolefina e da razão de sopro (RS) nas propriedades físicas e térmicas de filmes produzidos em processo de extrusão tubular. No processamento foram utilizados um polietileno de baixa densidade (PEBD) e um polietileno de alta densidade (PEAD) transformados n…