Materials Literature
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Abstract Halloysite nanotubes (HNTs) were utilized to prepare polypropylene (PP) nanocomposites by simple melt-compounding approach. Compared with other silicates such as montmorillonite and kaolinite, HNTs show much better dispersion property. The PP nanocomposites with HNTs exhibit concurrence increase in tensile an…
Local environment surrounding Zr atoms in the thin films of nanocrystalline zirconia (ZrO2) has been investigated by using the extended x-ray absorption fine structure (EXAFS) technique. These films prepared by the ion beam assisted deposition exhibit long-range structural order of cubic phase and high hardness at roo…
UNLABELLED: A dosimetric analysis was performed to evaluate nanoliposomes as carriers of radionuclides ((188)Re-liposomes) and radiochemotherapeutic drugs [(188)Re-doxorubicin (DXR)-liposomes] in internal radiotherapy for colon carcinoma, as evaluated in mice. METHODS: Pharmacokinetic data for (188)Re-N, N-bis (2-merc…
Wettability control is of great importance in many applications, from manufacturing of water repellent surfaces to droplet frictionless motion in microfluidics, and biocompatibility tuning. Wetting or repellent behaviour is governed by both surface chemistry and topography. In particular, super-hydrophobicity is attai…
Superconducting boron-doped diamond samples were synthesized with isotopes of 10B, 11B, 13C and 12C. We claim the presence of a carbon isotope effect on the superconducting transition temperature, which supports the ‘diamond-carbon’-related nature of superconductivity and the importance of the electron–phonon interact…
Abstract Ferrium S53 was developed for use as a structural corrosion resistant steel for aircraft landing gear. S53 has a corrosion resistance equivalent to 440C, strength equivalent to or better than 300M (AMS 6257A) and SAE 4340 (see Mechanical Properties), optimum microstructure features for maximum fatigue resista…
Article a-PVA Gelation Affected by Different Ratio of DMSO/H2Q in Wide Range of Standing Temperature was published on December 1, 2008 in the journal Journal of Polymer Engineering (volume 28, issue 8).
Hierarchical pure ZnO nanostructures with controllable morphology were synthesized by two-step oxygen-controlled thermal evaporation method without any catalyst. Zn nanowires with little oxidation were deposited firstly on Si substrates located at the low temperature area at step one. The morphology of hierarchical Zn…
SiC ceramics were fabricated from submicron- and nano-sized starting powders with Y2O3 and AlN additives by SPS process. The SPS process and the use of AlN additive were found to be effective for achieving the nano-grained microstructure with retarded grain growth. The nanoporous SiC ceramics were also obtained under…
Abstract TH‐11, a bacterial strain with strong depolymerase activity that breaks down aliphatic esters such as poly(3‐hydroxybutyrate) (PHB) and poly(ethylene succinate) (PES) was isolated from a soil sample collected from the sediment of Tou‐Chain River, Taiwan, R.O.C. It was phenotypically and genetically characteri…
Abstract The electronic structure and atomic arrangement of a decagonal Al–Co–Ni quasicrystal have been investigated in terms of a model unit cluster by using a discrete variational X α (DV- Xα ) cluster calculation. The partial electronic density of states (DOS) and overlap population analysis for local clusters arou…
Triboelectric charging occurs in granular materials composed of insulating particles even when all particles are composed of the identical material. Large scale particle dynamics simulations are used here to address triboelectric charging in such systems. The model used in the simulations is based on the presence of e…
The effect of indium doping on the point defect formation in ZnO nanostructures is studied by scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS) techniques. While the incorporation of a donor dopant like indium should increase the n-type conductivity of ZnO nanostructures, it has been found…
Viscosities of molten RE-Mg-Si-O-N (RE=Y, Gd, Nd and La) glasses have been measured using rotating bob viscometer with a gas tight furnace at elevated temperature (~1873 K). Moreover, structural characterizations of these quenched vitreous samples have been investigated using solid state 29Si MAS-NMR, which would reso…
The dependence of electrical resistance R(p) versus pressure for the x-cut plate of Sn2P2S6 crystals is investigated. It is established that dependence R(p) decreases with increasing pressure in ferroelectric and paraelectric phases, and shows discontinuities in the vicinity of the phase transition (PT) pressure. The…
Abstract This article begins with a description of the classes and grades of ductile iron. It discusses the factors affecting the mechanical properties of ductile iron. The article reviews the hardness properties, tensile properties, shear and torsional properties, compressive properties, fatigue properties, fracture…
Abstract Friction (DREF II) spinning system is one of the promising spinning methods to produce yarns for technical textile applications. The core positioned exactly center and the spinning tension will be very less compare to ring and rotor spinning systems. In an experimental study to produce 6's Ne core spun yarns…
The excitation energy dependence and temperature dependence of photoluminescence from boron nitride nanotubes and hexagonal BN powder samples are reported. The results are discussed within a model attributing the broad 3.2 eV luminescence from these samples to self-trapped excitons in the low-dimensional structures of…
Kumas yuzeyi ile deri arasindaki surtunme, giysilerin konfor performanslarini belirleyen onemli bir parametredir. Bu calismada farkli oranda elastan iceren orme kumaslarda nem iceriginin surtunme katsayisina etkisi arastirilmistir. Olcumler Minho Universitesinde gelistirilip patent alinmis, kumaslarin surtunme katsayi…
Abstract In the field of polymer nanocomposite materials, carbon nanotubes have attracted lots of research interests in the recent past for their potentialities in improving a wide range of polymer properties. We present here a comprehensive study on polypropylene/carbon nanotube composites evaluating the morphology a…