Materials Literature
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A smart concept for micro-nano-integration based on a new bonding technique between nano-scaled, modified Black Silicon (BSi) and an adapted, unfired Low Temp. Cofired Ceramic (LTCC) substrate (BGK) is presented. The novel technique combines advantages of silicon and ceramic technol. Current bonding concepts of silico…
Carbon nanotubes (CNTs) have many significant and potential applications, in which many of them involve confined fluid in equilibrium. Therefore, we used molecular simulations to study in depth the behavior of the confined fluid particles in CNTs, especially in the area of their phase equilibrium behavior. The charact…
For prevention of corrosion of an internal of steam pipes of drum-type coppers and decrease in intensity of formation of internal adjournment in the course of long operation it is necessary to carry out air-conditioning copper water by introduction of special reagents. In article the analysis of work of coppers of a h…
Diploma thesis Fachgebiet Allgemeine und Theoretische Elektrotechnik (ATE), Universitat Duisburg-Essen, June 2010, (in collaboration with FZ Julich)
The crystallinity of polyamides has a great influence on their mechanical and physical properties, and this has important implications in their applications. When applying methods such as X-ray diffraction and differential scanning calorimetry to determine the degree of crystallinity of semi-crystalline polymers, one…
Because the application purposes of nano-ZnO are different and different average diameters of nano-ZnO is needed. In the paper, process conditions of homogeneous precipitation were investigated to prepare different average diameters of nano-ZnO by the reaction of the Zinc nitrate and urea. And the effects of process c…
以甲基丙烯酸甲酯（MMA）、丙烯酸丁酯（BA）和乙烯基三乙氧基硅烷（ETES）进行自由基共聚制备预聚物，通过溶胶-凝胶法与铝溶胶制备出了有机-无机杂化耐磨涂料。通过磨耗试验与红外光谱对其制备工艺进行了系统研究，结果表明，当MMA和BA质量比为55：40，树脂与铝溶胶质量比为10：1，水解缩聚时间为1h时，涂膜中有效形成了Si-O-Si和Al-O-Si键，具有较好的透明性和抗紫外能力，其耐磨性最佳。
Photonic Crystal (PC) has always being an essential unit in design of optical devices and also in photonic integrated circuit. However, there are several disadvantages in using PC which will affect its output and also during fabrication. These problems can be solved using Periodic Dielectric waveguide. \n \nPeriodic D…
Carbon black (CB) and silica have been used as the reinforcement fillers of rubber composites. As the each filler possesses its own advantages, the use of silica/CB blends could increase the mechanical, dynamic properties, oil resistance and compression set. However, the appropriate silica/CB ratio giving rise to the…
Nanotechnology (NT), revolutionising the world of advanced materials, is fast becoming an important busi-ness area for many companies in different range of industries. Among these, textile manufacturing seems to be actually the most thriving and promising sector offering high-specialized and performing materials. NTs…
Nephrite jade has been treated with heat to modify its colour and appearance as to imitate the more expensive ancient jade or Chinese archaic jade. The understanding of the heat effect on the chemical composition of the jade can provide new knowledge in identifying natural untreated jade from the heated ones. Nephrite…
The effect of hydrogen on local cyclic behavior around an oblique fatigue crack tip in single-crystalline Fe-3.2wt.%Si alloy is precisely investigated by using cross-sectional transmission electron microscopy (TEM). The observation successfully reveals that the crack propagation is strongly correlated to the formation…
Впервые изучены экситонные спектры поглощения в тонких пленках твердых растворов сегнетоэластиков Cs2CdI4 и Cs2ZnI4. Обнаружено, что во всем интервале молярной концентрации х спектры Cs2(Cd1–xZnx)I4 состоят из двух полос, генетически происходящих от исходных полос двух соединений. Показано, что наиболее эффективно пер…
Представлены результаты исследования структурно-фазовых превращений в аустенитных сталях 12Х18Н10Т и 08Х16Н15М3Б после выдержки в среде жидкого натрия. Обнаружена компонентно-селективная коррозия аустенитных сталей в жидком натрии, обусловленная селективным характером вымывания компонент сталей при выдержке в натрии.…
The grain boundary properties of CGO10 (Ce0.9Gd0.1O1.95) and CGO20 (Ce0.8Gd0.2O1.95) have been investigated by impedance spectroscopy and high resolution scanning transmission electron microscopy-electron energy loss spectroscopy (STEM-EELS). High density polycrystalline ceramic specimens with a range of grain sizes (…
Vibrating sample magnetometer
Nanotechnology is the science dealing with material structures with nanometer \nscales. Material at this size, atoms and molecules, work differently due to the \nquantum size effects. These phenomena of atoms and molecules provide the \nnanoscale materials’ variety of surprising and interesting applications. \nA nanom…
In this project, NaOH activated carbon nanosphere is used to investigate the adsorption capabilities for organic pollutants. As the activated carbon has extremely high adsorption capability, it is widely used in the wastewater treatment process. In this project, carbon nanospheres (CNS) was synthesized from glucose vi…
La pollution des sols par les métaux lourds engendre des dysfonctionnements importants au sein des écosystèmes, voire leur disparition et leur remplacement par des écosystèmes souvent peu diversifiés et fragiles qui ne remplissent plus l'ensemble des fonctions de l'écosystème d'origine. Afin de remédier ces pollutions…
Data-base model can search for the optimal operating condition for a specific process without prior knowledge about the mechanism of reactions. However, a new model is required for a new process even if there exist a model of similar process, since data-based model is developed on data of corresponding process. On the…