Materials Literature
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The different amount of activated carbon of 5%, 10% and 15% from coconut and oil palm shells in powder form were applied to the polyester and cotton fabrics by pigment printing and coating technique to investigate their anti-odour properties. The treated fabrics were exposed to onion odour for 24 hours before the odou…
For convenient synthesis of polydiphenylamine with a bridged structure, oxidative polymerizations of diphenylamine with a bridged structure were carried out. Polymer was obtained when dibenzazepine (Azep) was used as a monomer, but oxidative polymerization of phenothiazine (Phen) did not afford polymer. Therefore, oxi…
Abstract A spherical cavity expansion model for concrete is first proposed by using an elastic-brittle-plastic material law with Hoek–Brown strength criterion. The constitutive model can capture the basic features of the mechanical response of concrete materials including the effects of strain-softening and pressure h…
Laser surface treatments represent some of the most advanced and versatile processes for enhanced materials applications. Laser hardening is a technique to generate a hard wear-resistant surface micro-structure in metals due to the rapid heating and cooling cycles imposed by a laser beam. This work intends to understa…
We theoretically investigate the emittance and dynamic dissipation of a nanoscale interconnect consisting of a metallic single-walled carbon nanotube using the non-equilibrium Green's function technique for AC electronic transport. We show that the emittance and dynamic dissipation depend strongly on the contact condi…
The data on the cladding mechanical response under rapid deformation are crucial for the safety assessment of LWR fuel rods for reactivity initiated accident (RIA) and for spent fuel shipping and storage cask-drop accidents. The reported data on the mechanical properties of the irradiated cladding under high strain ra…
Abstract A spherical cavity expansion model for concrete is first proposed by using an elastic-brittle-plastic material law with Hoek–Brown strength criterion. The constitutive model can capture the basic features of the mechanical response of concrete materials including the effects of strain-softening and pressure h…
Hydrogen ingress into zirconium alloy fuel cladding in light water reactors can degrade cladding performance as a result of the formation of brittle hydrides. In service, hydrides normally precipitate in the circumferential direction and are homogeneously distributed through the cladding thickness in ideal cases. Howe…
The sub-THz AC response of metallic single-walled carbon nanotubes (M-SWNTs) with a single atomic vacancy is investigated theoretically focusing on its diameter dependence. We find that the AC response behaves more capacitively in large-diameter M-SWNTs with a vacancy at the center of the SWNT in contrast to the diame…
The objective of the present research is to build a modeling method for delayed hydride cracking (DHC) of zirconium alloys. DHC tests were carried out on Zircaloy-2 cladding tubes in the chamber of a scanning electron microscope to directly observe the crack propagation and measure the crack velocity in the radial dir…
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The regioregular hexyl-substituted poly(3,4-ethylenedioxy-2-thiophenylthiophene) (PEDOTt), structurally alternating copolymer of EDOT and thiophene, was synthesized via the Grignard Metathesis (GRIM) using catalytic amounts of Ni(dppp)Cl2. The products were characterized by 1H NMR spectroscopy, UV-vis spectroscopy and…
Abstract The acid potassium salt of (E)-2-hydroxyimino-2-cyanoacetic acid ethyl ester (in other words: the acid Ksalt of (E)-2-cyanoethyl ester of 2-oxime or acid Ksalt of 2-oxime, or shortly speaking acid Ksalt-) has been prepared and characterized using inelastic, incoherent neutron scattering (IINS or shortly speak…
Porous anodic aluminum oxide (AAO) film is the most widely used template in combination with electrodeposition (ED) method to fabricate one-dimensional nanostructures such as nanowires, nanotubes and nanorods. However, the existing oxide barrier layer after the anodization blocks the application of AAO template in syn…
The objective of this paper is to present a methodology to analytically model the tool flank wear rate in near dry turning under built-up edge (BUE) effect. It involves the analysis of cutting forces, cutting temperatures and tool wear modes of abrasion, adhesion, and diffusion. The BUE formation is also considered in…
For researching the thermoelectric properties, bulk NiSb2 and the composite of CoSb3 and NiSb2 were prepared by sintering. The phases of samples were analyzed by X-ray diffraction and their thermoelectric properties were tested by electric constant instrument and laser thermal constant instrument. Experimental results…
The valence-shell excitations of nitrous oxide are studied by fast electron energy loss spectroscopy. From the spectra measured at 2.5 keV and scattering angles of 3.5°–8.5°, it is found that the asymmetric peak of the transition B 1 Δ can be well fitted by Haarhoff-Van der Linde function, while the symmetric peaks of…
ZnO-98% and Ga2O3-2% powder were consolidated by shock compaction technique, which uses a high performance explosive. The microstructural and electrical characteristics of ZnOGa2O3 compact with density of 97% and hardness of 220~250 Hv were investigated using SEM (Scanning Electron Microscope) and X-ray diffraction an…
Improvement in the quality of Liquid Crystal Displays (LCD) triggers a significant surge in the 3DTV market. A large segment of the 3DTV market has adopted active shutter glasses (active 3DTV). In this system, crosstalk is an important factor that affects the viewing quality of active 3DTV. This paper proposes a mathe…
Inter-residue pair contacts have been analyzed in detail for the four pairs of protein structures determined both by X-ray analysis (X-ray) and nuclear magnetic resonance (NMR). At contact distances < or = 4.0 angstroms in the four NMR structures the overall number of pair contacts are less by 4-9% and pair contacts a…