Alternatives to Image Quality (IQ) Mapping in EBSD
Xiaodong Tao, Alwyn Eades; Alternatives to Image Quality (IQ) Mapping in EBSD, Microscopy and Microanalysis, Volume 8, Issue S02, 1 August 2002, Pages 692–693,
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V 2 O 5 thin films deposited by means of d.c. magnetron sputtering from ceramic V 2 O 3 targets
Abstract The deposition of stoichiometric V 2 O 5 films for abrasion‐resistant V 2 O 5 /TiO 2 anatase catalysts was investigated. Direct current magnetron sputtering from ceramic oxide targets in an argon/oxygen atmosphere was chosen as the deposition technique. Layers were prepared with different oxygen mole fraction…
Chrome‐free pretreatment for aluminium composites
Abstract The effect of manganese pretreatment on the corrosion behaviour of AA6061 T6–10% Al 2 O 3 metal–matrix composite was investigated in aerated aqueous 3.5% NaCl solution using electrochemical impedance spectroscopy (EIS). The corrosion inhibition characteristics were studied for two series of manganese‐pretreat…
Numerical simulation of an arbitrarily ended asymmetrical slab waveguide by guided-mode extracted integral equations
The scattering phenomenon from an arbitrary-shaped end of a asymmetrical slab waveguide for the cases of TE and TM guided modes is simulated by means of boundary integral equations that are called guided-mode extracted integral equations. The integral equations that we derive can be solved by the conventional boundary…
Mechanically Stable Monoclinic Zirconia–Nickel Composite
A dense (>98% theoretical density), residual‐stress‐free m‐ZrO 2 /40 vol% nickel composite with K I C ∼ 5.4 MPa·m 1/2 and ς f ∼ 225 MPa has been obtained using a simple wet processing route and subsequent sintering at 1430°C in a 90% argon/10% hydrogen atmosphere. The mechanism for release of internal stresses by t…
Elastic and Magnetic Properties of Bilayer Manganites: La2-2xSr1+2xMn2O7 for x=0.35 and 0.40
We have grown single crystals of LSMO(327) for x =0.35 and x =0.40 and investigated the elastic properties systematically, together with the electrical resistivity, magnetoresistance and magnetization. Elastic anomaly around the magnetic transition temperature T c , at which remarkable metal-insulator transition occur…
Magnetic properties of copper metaborate CuB2O4
The results of experimental research on the magnetic and resonance properties, heat capacity, muon spin relaxation, and neutron scattering of single-crystal copper metaborate CuB2O4 are reviewed. The results of a symmetry analysis and of modeling by the method of the phenomenological thermodynamic potential are presen…
Thermal property and processability of elastomeric polymer alloy composed of segmented polyurethane and phospholipid polymer
To develop a thermoplastic elastomer with high blood compatibility, a 2-methacryloyloxyethyl phosphorylcholine (MPC) polymer was blended with the segmented polyurethane (SPU) for preparing the polymer alloy. A tensile strength measurement was carried out to evaluate its mechanical strength. The mechanical strength of…
Ferroelectric liquid crystals from banana-shaped achiral molecules with vinyl end groups
Banana-shaped achiral compounds, the 1,3-phenylene bis[4-(alkenyloxyphenyliminomethyl)benzoate]s, were synthesized with varying length of the alkenyl group; their ferroelectric properties are described. The smectic mesophases, including a switchable chiral smectic C (SmC*) phase, were characterized by differential sca…
Formation of Silica‐Coated Carbon Powder and Conversion to Spherical β‐Silicon Carbide by Carbothermal Reduction
Spherical β‐SiC powders that are a few micrometers in size have been prepared by heating a mixture of phenolic resin powder and fine‐grained fumed silica at 1600°C in argon. The overall process is composed of two consecutive steps: (i) the formation of silica‐coated spherical carbon powder and (ii) carbothermal reduct…
Far infrared spectra of K + in dioctahedral and trioctahedral mixed-layer minerals
Mixed-layer minerals were analyzed by far infrared (FIR) spectrometry. The FIR spectra show two bands, which occur at 84-87 and 108-114 cm -1 for mixed-layer illite-smectite (I-S) and at 71-79 and 103 cm -1 for mixed-layer phlogopite/vermiculite (P-V). The 103 cm -1 band seen in the P-V series from Palabora is indepen…
Crystalline phase orientation in biaxially stretched isotactic polypropylene films
The different kinds of crystalline orientations which can occur in industrially relevant isotactic polypropylene (i-PP) films are compared with those generally observed for other semicrystalline polymers. The peculiar bimodality typical of the uniplanar-axial orientation which is present in two-step biaxially stretche…
Alternative Splicing of the Primary Transcript Generates Heterogeneity within the Products of the Gene for Bombyx mori Chitinase
The gene of chitinase in the silkworm, Bombyx mori, generates four mRNA products by alternative splicing. Nucleotide sequences of the entire gene for chitinase and respective cDNAs demonstrate that the pre-mRNA undergoes alternative splicing at both the 5' and 3' regions. At the 5' region, the pre-mRNA experienced dif…
[Effect of chitosan in complex management of obesity].
UNLABELLED: The aim of the present study was to verify the effect of chitosan as a possible adjuvant in the complex management of obesity. METHOD: Fifty obese women (22-59 years, BMI > 30) participated in the study. A six months program consisted of 2-hour meetings with a physician, psychologist and dietitian, in a gr…
Preparation and characterization of Langmuir–Blodgett‐type arachidate films
Abstract Metal arachidate Langmuir–Blodgett (LB) films with Pb 2+ and Cd 2+ cations and varying numbers of monomolecular layers (2 and 4 monolayers, ML) were deposited on trimethylsilylated glass substrates. The arachidate salt formation was commenced during the film deposition from a water‐based solution. The extent…
Mechanism of 2/1- to 3/2-mullite transformation at 1650 °C
The transformation of 2/1-mullite single crystals into stable 3/2-mullite was investigated using reaction couples of 2/1-mullite cut parallel to (001) and silica glass at 1650 °C. A thin layer of 3/2- mullite formed at the surface of the parent 2/1-mullite crystal. Between 3/2- and 2/1-mullite a gradual transition lay…
Non‐destructive surface analysis applied to atmospheric corrosion of tin
Abstract Tin samples have been exposed in industrial, rural and urban outdoor atmospheres. Corroded surfaces were studied with Fourier transform infrared reflection absorption spectroscopy (FTIRAS), x‐ray diffraction (XRD), SEM, energy‐dispersive spectroscopy (EDS) analysis and Mössbauer spectroscopy. Corrosion is con…
In‐Plane Polarized 0.7Pb(Mg 1/3 Nb 2/3 )O 3 –0.3PbTiO 3 Thin Films
Ferroelectric 0.7Pb(Mg 1/3 Nb 2/3 )O 3 –0.3PbTiO 3 (PMN‐PT) thin films were deposited on ZrO 2 /SiO 2 /silicon substrates using a chemical‐solution‐deposition method. Using a thin PZT film as a seed layer for the PMN‐PT films, phase‐pure perovskite PMN‐PT could be obtained via rapid thermal annealing at 750°C for 60 s…
Thermo‐oxidative stability study of polypropylene composites by using cone calorimetry and thermogravimetry
Abstract The flammability of polypropylene (PP) and recycled PP composite systems was thoroughly investigated by using cone calorimetry and thermogravimetry techniques in order to quantify the effect of brominated and chlorinated fire‐retardant systems. In this study, the efficiency of the fire‐retarding systems was d…
Removal of Nitrogen Oxides in Diesel Engine Exhaust by Plasma Assisted Molecular Sieves
This paper reports the studies conducted on removal of oxides of nitrogen (NOx) from diesel engine exhaust using electrical discharge plasma combined with adsorbing materials such as molecular sieves. This study is being reported for the first time. The exhaust is taken from a diesel engine of 6 kW under no load condi…