Materials Literature
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Bu çalışmada toz metalurjisinde yaygın olarak kullanılmakta olan mekanik alaşımlama yöntemi ile düzenli ve düzensiz şekilli Ti-6Al-4V tozlara farklı oranlarda ilave edilen çok duvarlı karbon nanotüp (ÇDKNT) tozlarının, farklı üretim şartları ve sinterleme ortamında üretilmesinin mikroyapı, yoğunluk ve aşınma davranışl…
The phase transition and stability as well as corresponding electrical and optical properties of $\mathrm{C}{\mathrm{d}}_{x}\mathrm{Z}{\mathrm{n}}_{1\ensuremath{-}x}\mathrm{O}$ alloys over the entire composition range synthesized under different sputtering conditions, namely, substrate temperature and sputtering envir…
The excellent mechanical properties of graphyne (GY) have made it an appealing candidate in the field of impact protection. We assessed the deformation mechanisms of monolayer GY nanosheets of different morphologies, including α-GY, β-GY, γ-GY and 6612-GY, under supersonic-velocity impacts (from 1 to 6 km/s) based on…
Using the potential energy landscape formalism we show that, in the temperature range in which the dynamics of a glass forming system is thermally activated, there exists a unique set of ‘basis glass states’ each of which is confined to a single metabasin of the energy landscape of a glass forming system. These basis…
본 연구에서는 3-methacryloxypropyltrimethoxysilane(MPTMS) 실란 커플링제를 사용하여 자유 라디칼 중합이 가능한 메타크릴레이트(methacrylate)기를 셀룰로오스 나노결정(cellulose nanocrystal, CNC) 표면에 도입하였다. 위 MPTMS로 개질된 CNC(MPTMS-CNC)를 충전제로 사용하여 자외선 경화가 가능한 수지를 사용하여 thiol-ene 단계 성장 광중합법으로 나노복합체를 제조하는 연구를 수행하였다. 순수 CNC 및 MPTMS-CNC 충전제들이 나노복합체의 열안정성, 인장강도 및 탄성률 등 물성에 미치는…
The adhesion strength and water resistance of stainless steel and adhesive resin composites determine the long‐term performance of wires and cables; however, adhesion at stainless steel interfaces is difficult. Herein, we prepared ethylene acrylic acid/linear low‐density polyethylene (EAA/LLDPE) blends with good mecha…
This paper presents our study on the use of dissipative particle dynamics (DPD) simulations to discover the flow behavior in ultra high molecular weight polyethylene/polyamide 6 (UHMWPE/PA6) blends associated with extensional-shear coupled flow, based on the Souza-Martins method, for the first time. By way of simulati…
Abstract Biocompatible poly(4‐styrenesulfonic acid‐co‐maleic acid)‐stabilized GdF3 : Eu3+(Tb3+) nanoparticles were obtained by a one‐step coprecipitation method in ethylene glycol or water. The particles are very small (3 nm), have a narrow size distribution, and were detectable by fluorescence, magnetic resonance, an…
We developed a microwave-mediated continuous hydrogen production method from 2-PrOH using platinum on a spherical carbon-bead catalyst. The catalyst cartridge consisted of helical glass part, and straight glass part (helix−straight cartridge) was newly developed for the effective microwave heating of 2-PrOH in the pre…
Non-metal cation (NMC) pentaborate structures, in which some amino acids (valine, leucine, isoleucine, and threonine) were used as cations, were synthesized. The structural characterization of molecules was carried out by elemental analysis, FT-IR, mass, 11B-NMR, and thermal analysis (TGA/DTA) methods. The hydrogen st…
Using a highly stoichiometric magnetite, the pressure-induced phase transitions of Fe 3 O 4 have been revisited here by performing Fe K-edge X-ray absorption and magnetic circular dichroism measurements up to P = 65 GPa at room temperature and 71 GPa at 20 K. We have observed a structural transition at around 27 GPa f…
Developments of the high-speed response brushless excitation systems (HSRBESs) are ongoing in the power industry. This is because the transient response of the excitation system (ES) is a key performance indicator for the grid owner. In dealing with this problem, accurate prediction and control of the ES ceiling volta…
ABSTRACT In this study, styrene‐acrylonitrile‐glycidyl methacrylate (SAG) series copolymers were specially designed for producing the recycled acrylonitrile‐butadiene‐styrene (rABS)/poly(butylene terephthalate) (PBT)/SAG blends, which were prepared through the process of continuous melt blending and batch feeding. The…
Microcrystalline cellulose (MCC) is an important ingredient in pharmaceutical, food, cosmetic and other industries. In this research work, microcrystalline cellulose was synthesized from the alpha cellulose content of pretreated palm kernel de-oiled cake. The microcrystalline cellulose from palm kernel cake was obtain…
: Nanoparticles (NPs) have left their mark on the field of bioengineering. Fabricated from metallic, magnetic, and metal oxide materials, their applications include drug delivery, bioimaging, and cell labeling. However, as they enter the body, the question remains – where do they go after fulfilling their designated f…
A fully biodegradable ternary poly(L-lactide) (PLLA)/poly(diethylene glycol adipate) (PDEGA)/cellulose nanocrystal (CNC) composite was prepared with the objective of enhancing the crystallization of PLLA, which was significantly promoted due to the synergistic effect by the combination of PDEGA as a plasticizer and CN…
Complex liquids flow through channels faster than expected, an effect attributed to the formation of low-viscosity depletion layers at the boundaries. Characterization of depletion layer length scale, concentration, and dynamics has remained elusive due in large part to the lack of suitable real-space experimental tec…
Clinical imaging is widely used to detect, characterize and stage cancers in addition to monitoring the therapeutic progress. Magnetic resonance imaging (MRI) aided by contrast agents utilizes the differential relaxivity property of water to distinguish between tumorous and normal tissue. Here, we describe an MRI cont…
In this study, nanosheets of Mg-Al layered double hydroxide (LDH) were introduced on the polyester fabric surface through the conventional coprecipitation method with further hydrothermal treatment at various temperatures (80, 100, and 120 °C). The in situ growth mechanism of Mg-Al LDHs in the vertical direction in an…
A simple low cost chemical route has been used to synthesize cupric oxide nanoparticles. The synthesized CuO nanoparticles were characterized using XRD, TEM and UV-absorption. X-ray diffraction analysis showed the synthesized nanoparticles to be a pure cupric oxide. EDAX analysis showed the presence of copper and Oxyg…