Materials Literature
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The papers published in this issue of Philosophical Transactions of the Royal Society A are based on presentations made at a Discussion Meeting sponsored by The Hooke Committee of the Royal Society, named after Robert Hooke: ‘Ut Tensio sic vis’. After having examined silk fibres and fabrics,
The article is devoted to investigation of the composition and properties of dispersion-strengthened beryllium-based composite alloy, used in various industries, including the aircraft manufacture aircraft. Analyzed the properties of these materials are analyzed to ensure their quality management. The mathematical rel…
[Formula: see text]–[Formula: see text] samples have been synthesized at normal pressure at 860[Formula: see text]C. The main objectives of these experiments to study the role of inter-plane decoupling in suppressing the superconductivity of high temperature superconductors (HTSC). These samples have shown orthorhombi…
In severe accident conditions, the molten core material forms an internally heated debris bed and eventually becomes a molten pool of corium, which will cause or induce thermal and mechanical loads to the reactor vessel lower head (RVLH) resulting in penetrations leading to failure. A good understanding of the mechani…
The coating of nanosized Chitosan/TiO2 composit on cotton fabrics substrate and its performance for dye of Rhodamine B was studied. Nanosized Chitosan/TiO2 composit coated on cotton fabrics was done by dip-coating method through pad-dry-cure technic. Cotton fabric thats was coated by nanosized Chitosan/TiO2 composit w…
In previous researches it is demonstrated that reactivity and sensitivity of boron nitride nanotubes (BNNTs) toward gas molecules can be modified by impurity. In this work, oxygen defect for three nitrogen sites was used to study the adsorption of NO molecule through the surface of boroxol ring of oxygen doped BNNT (7…
A facile and scalable lithography-free technique(5) for the rapid construction of GaAs core-shell nanowires incorporating shell isolation from the substrate is reported. The process is based on interrupting NW growth and applying a thin spin-on-glass (SOG) layer to the base of the NWs and resuming core-shell NW growth…
Abstract Nanowires embedded in nanopores are potentially tough against surface scraping and agglomeration. In this study, we have fabricated Au and Ni nanowires embedded into anodic porous alumina (APA) and investigated their reflectance to study the effects of surface plasmon absorption properties and conversion from…
In this study we sought to formulate and evaluate sustained release matrix tablet of guaiphenesin by melt granulation technology. The sustained release tablets were prepared by melt granulation technique using rice bran wax as a drug retardant and dibasic calcium phosphate (DCP) as a channelling agent. Guaiphenesin is…
Abstract We discuss results on spontaneous emission intensity and lifetime anisotropy of cadmium selenide quantum dot monolayer films placed in close proximity to a porous block copolymer based photonic–plasmonic two dimensional array. The porous block copolymer cylinders can be filled with metal nanoparticles and the…
The spatial and temporal evolution of domain switching near the tip of a mixed-mode crack (e.g., an inclined crack) is observed in ferroelectrics. The birefringence technique is used to measure the optical quantities to demonstrate the domain switching near the crack tip. The results show an intriguing feature that th…
The pyroelectric properties of solid state solution single crystals of strontium-barium niobate Sr0.61Ba0.39Nb2O6 (SBN61) and calcium-barium niobate Ca0.28Ba0.72Nb2O6 (CBN28) in a wide temperature range was studied. It is shown that the value in the maximum of the pyroelectric coefficient and its temperature position…
To investigate the thermal conductivity and the structural properties of naturally cooled excimer-laser annealed Si, moleculardynamics (MD) simulations have been performed. The thermal conductivity of crystalline Si (c-Si) was measured by direct method at 1000 K. Steady-state heat flow was measured using a stationary…
Spodümen X-ışını, beta ve gama ışınları için yüksek termolüminesans cevabı veren bir alüminasilikattır. Kimyasal bileşiminden dolayı (LiAlSi 2 O 6 ) nötron dozimetri olarak kullanılmaktadır. Bu çalışmada Afganistan’ dan çıkarılan pembe spodümenin optik soğurma ve termolüminesans özellikleri incelenmiştir. Alınan ölçüm…
This study reports the magnetic and magnetotransport properties of 20 nm thick polycrystalline Ni films deposited by magnetron sputtering on unpoled piezoelectric (011) [PbMg1/3Nb2/3O3]0.68-[PbTiO3]0.32 (PMN-PT) substrates. The magnetoresistance (MR), as well as the magnetization reversal, is found to depend on the po…
Poly(lactide)(PLA)에 이산화탄소가 원료로 합성된 poly(ethylene carbonate)(PEC) 10 mol%을 블렌딩하여 용융압출 공정으로 쉬트를 제조하고 일축방향으로 연신하여 다양한 연신비로 필름을 제조하였다. 이 필름의 연신비에 따른 구조적 특성을 확인하고, 기계적, 열역학적, 물성 및 차단성을 연구하였다. PLA/PEC 블렌딩 쉬트 및 필름은 α
In this study, effect of loading angle on location of crack initiation in flattened Brazilian disc (FBD) specimens was studied by both numerical and experimental methods. FBD tests were conducted on disc samples with various loading angles and tests were simulated by finite element method (FEM). The results showed tha…
Shark liver oil (SLO) has been widely used as a food supplement to boost human immunity. The extraction method of shark liver oil is immature. In this study, four different extraction methods of shark liver oil were tried, the effect of the solid-liquid ratio, quality of the enzyme, reaction pH and temperature on SLO…
Ceramic based coatings are routinely being engineered to protect metallic components from high temperature environments in applications like gas turbines and jet engines. However, although a wellresearched technology, detailed and realistic information on the effects of thermal barrier coatings (TBCs) in improving the…
We review our efforts to develop and implement robust computational approaches for exploring phase stability to facilitate the prediction-to-synthesis process of novel functional oxides. These efforts focus on a synergy between (i) electronic structure calculations for properties predictions, (ii) phenomenological/emp…