Materials Literature
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The effect of rapid cooling by the vacuum suction casting method (VSC) on the microstructure and electrochemical response of the as-cast 5052 aluminium alloy is presented. The VSC method allowed us to obtain massive samples with a very high cooling rate (10 2 -10 3 ) o C/s. The microstructure of the quick-cooled sampl…
We investigated the effect of channel layer thickness ( t ch ) on the electrical and thermal stabilities of high-mobility zinc oxynitride (ZnON) thin-film transistors (TFTs). ZnON TFTs with various t ch values of 11, 16, 21, and 26 nm were prepared for experiments. The drain current was barely modulated by the gate-to…
Influence of additive material to surface roughness in turning of sintered steels is not well known. In this study, effect of manganese sulfide (MnS), silica and alumina powder was investigated on a viewpoint of material characteristics near turned surface. The surface roughness of the sintered steel added with MnS wa…
The studied graphene sheets were design at Gaussian View 5.0.8 program and initially relaxed at Gaussian 09 program. The last relaxation of these structures was done using the SIESTA-trunk-462 program. All calculations are carried out using GOLLUM program. The results showed the presence of fluorine atoms in the sheet…
The current JSME rules on Fitness-for-Service only applies the Elastic Plastic Fracture Mechanics (EPFM) method, including the two-parameters method for flaw evaluation of cast stainless steel (CASS) pipes, while plastic collapse is expected to occur in the case of low ferrite content or low thermal aging condition. T…
Изучается спектр выборочной ковариационной матрицы, отвечающей временному ряду длины $n$ со значениями в $\mathbf R^p$. В предположении, что $p/n\to\rho >0$, получены условия, при которых предельное спектральное распределение данных матриц обладает свойством универсальности, т.е. имеет такую же форму, как и в случае г…
Optical and structural characterization of Cu-doped and pure SnO2 thin films were performed as a part of this investigation.In this respect, the effects of changing the concentration of the precursors on the thin film properties were investigated.Tin dioxide thin films both in pure and doped form were prepared by a so…
Kapal kayu merupakan sarana transportasi tradisional yang hingga saat ini masih banyak digunakan oleh masyarakat Indonesia dalam kehidupan sehari-hari, baik untuk sarana transportasi, niaga maupun sarana rekreasi.Disisi lain pemanfaatan bambu selama ini belum optimal walapun hasil beberapa penelitian menunjukan bahwa…
Anodization of Zr and Fe foils in fluoride ethylene glycol produced surface oxide with nanotubular structure. After heat treatment, surface oxide on Fe foil crystalized to predominantly α-Fe2O3 (hematite) and on Zr foil tetragonal/monoclinic ZrO2 was produced. Anodization of both Zr and Fe for anodic nanotubes formati…
TiO2 nanotube (TNT) arrays were formed by anodizing titanium foil in fluoride-ethylene glycol (EG) electrolyte added to it either water (H2O) or sodium hydroxide (NaOH) as oxidant. In NaOH added fluoride-EG electrolyte, 10 µm long TNT arrays were formed compared to 5 μm long nanotubes in H2O added fluoride-EG electrol…
3D architectures of ‘blade-shaped’ hierarchical hollow cristobalite microspheres (MSs) were assembled from plenty of nanosheets (NSs) with exposed (101) facets via a hydrothermal method.
This paper presents influence of induction heating treatment with a cylindrical magnetic flux concentration plate on vector magnetic properties of a non-oriented electrical steel sheet. The non-oriented electrical steel sheet is heated by using induction heating method. The vector magnetic properties of the non-orient…
碳量子点(Carbon quantum dots, CQDs)是一种新型的碳纳米材料，因其强的量子限域效应和稳定的荧光性能等一系列优异性能，吸引了化学、物理、材料和生物等各领域科学家的广泛关注。本文主要综述了CQDs的不同合成方法及其应用。 Carbon quantum dots (CQDs), a novel class of carbon nanomaterials, have received wide attention due to their strong quantum confinement effect and stable photoluminescence property. This article rev…
Organosilicon analogues of nitrogen-substituted phthalimide were synthesized and characterized by NMR ( 1 H and 13 C), ESI-MS and HRMS spectroscopic techniques. The recognition properties of fluorescent silatranes were studied and it was found that the structural variations play important role for metal recognition an…
Inorganic-organic hydrogels based on dimethacrylated polydimethylsiloxane (PDMSMA) and diacrylated poly(ethylene glycol) (PEGDA) macromers were prepared via photocrosslinking method. Silane coupling agent was incorporated into the hydrogel formulations to overcome the phase incompatibility. Pure PEGDA (0:100) hydrogel…
Gypsum block possesses good performances such as volume stability, lightweight and thermal insulation, is recognized as typical eco-friendly building material. However, its poor water resistance characteristics restrict the application. The semi-hydrated desulphurization gypsum is modified with steel slag, granulated…
We experimentally demonstrate novel nano- and micro- scale geometries of surface-plasmon-polariton based resonators that exhibit record-high quality factors (>750) and use them to achieve low threshold narrow-linewidth lasing at optical frequencies.
With the massive launching of spacecraft, more and more space debris are making the low Earth orbit (LEO) much more crowded which seriously affects the normal flight of other spacecrafts. Space debris removal has become a very urgent issue concerned by numerous countries. In this paper, using SwissCube as a target, th…
In this work, the main proteins of thin filaments (actin and tropomyosin) were isolated from the catch muscle of the mussel Crenomytilus grayanus and the rabbit skeletal muscles. Rabbit actin and tropomyosin and mussel tropomyosin were isolated by traditional methods as opposed to natural mussel actin (isolation of th…
The influence of hydrogen as an agent to accelerate the thermal recovery of cold-worked palladium has been investigated. The techniques used to characterize the effects of hydrogen on the thermal recovery of palladium were hydrogen solubility and mechanical property measurements. Results show that the presence of mode…