Materials Literature
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Wheelabrator Technologies is owner and operator of the 2250 ton per day North Broward County, Florida, facility. The plant consists of three lines rated at 750 tons/day. Each line is equipped with a spray dryer absorber/fabric filter. The original fabric filter design was a shake-deflate baghouse with ten compartments…
The development of new high-performance refrigerants has been highly desired from the viewpoints of energy efficiency and environmental safety. Recently, we developed promising magnetic refrigerant compounds La(Fe1-xSix)13 (0.86≤x≤0.90), that show the first-order of itinerant-electron metamagnetic transition from the…
According to increase in a waste scrap, a process is noticed in which a waste scraps is consumed for sheet steel production within severe restriction of impurities concentration. In this study, evaluation of the effect on environmental load decline by LCA is applied to this new recycling technology.Target of this stud…
A higher-order shear-deformable beam model with gradient-dependent plasticity regularisation is presented in this work. The model takes into account a realistic non-linear variation of stresses and strains through the beam thickness. This enables mixed mode fracture analysis. Numerical results are presented for a mult…
The effects of alloy composition and heat treatment on the damping capacity and strength of MnCuNiFe damping alloys were investigated in this study. It is observed that: When Mn composition is varied from 70.5 to 75.9 mass%, the fcc-fct phase transformation temperature increases with the increase of Mn composition at…
Present results on intermediate temperature-operating solid oxide fuel cells (IT-SOFC) are mainly focused to obtain higher performance of single cell at lower operating temperature, especially with planar type. In order to develop a 1 kW-class SOFC system for Residential Power Generation (RPG) application that can be…
Recently, we reported about successful synthesis of crystalline carbyne from graphite by step‐like shock‐wave compression. Thin graphite foil was placed into the recovery assembly between two thick PTFE dicks. Shock pressure was 36 GPa, shock temperature was estimated as 730 K. In the recovered samples the volume cont…
The catalytic performance of silica-based supported ionic liquid-phase (SILP) Rh-sulfoxantphos/[BMIM][C 8 H 17 OSO 3 ] catalysts with different compositions, i.e. type of support, ionic liquid content and ligand-to-metal ratio, has been examined for continuous-flow gas-phase propene hydroformylation. The key parameter…
Na3MgTi(PO4)3 phosphate exists in both crystalline and vitreous forms. The glass-crystal transformation was investigated using DTA, XRD, Raman spectroscopy and ionic conductivity. The crystalline phase which belongs to the Nasicon type family structure, space group R3, contains isolated TiO6 octahedra whereas the corr…
The population (frequency of appearance) of group-subgroup symmetry descents (species) and of different combinations of ferroelastic and ferroelectric properties observed in crystals with a single phase transition have been derived from the updated Tomaszewski's database of structural phase transitions [1 Tomaszewski,…
The phase equilibrium behavior of a typical colloidal dispersion by the van der Waals-like theory was studied. In this theory, the colloid–colloid potential is split into two parts: a repulsive part modeled by the hard-core potential and an attractive part modeled by the square-well potential corrected by a linear tai…
We observe, in free-standing films of a chiral smectic liquid crystal, a series of discrete transitions in the relative orientation of the tilt of the interior and surface layers. These transitions include a remarkable reentrant synclinic-anticlinic-synclinic ordering sequence of the film surfaces in the presence of a…
For faster signal propagation in integrated circuits, new materials with lower dielectric constant (low-k) values are required with copper metal lines. Although integration of low-k materials (k<3.0) has been demonstrated, but ultra low-k materials possess many challenges due to their poor mechanical integrity and…
In this work, a growth analysis is made on the banded microstructure formation during directional solidification of peritectic alloys. The convection model, which has been proposed to explain the discrete banded microstructure formation, is extended in the part of the nucleation condition. Applying the nucleation and…
In the present work, the calculated growth stresses arising from iron oxide layers are compared to measurements of the macroscopic residual stresses. High temperature x-ray diffraction was used for determining the stress created in thin iron oxide layers formed on phosphated α-Fe, as a function of the oxidation time.…
The removal of ethylene oxide (EtO) in a combined system adsorber desorber/catalytic reactor has been investigated. The combined system was a modified draft tube spouted bed reactor loaded with Pt/Al2O3 catalyst. The annular region was divided into two sectons, the "hot" section contained about 7 % of catalyst and it…
Phosphogypsum is primarily classified as a heavy waste. The classification of phosphogypsum as dangerous waste may be only maintained under the condition that phosphates with the highest content of radio nuclides are used in the production of H3PO4 by the so called "wet procedure" (Morocco, Florida), which, due to the…
We discuss here the effect of water-insoluble pharmaceutical aids on the nature of drug release from composite polymeric prodrugs synthesized by mechanochemical solid-state polymerization. Magnesium stearate (Mgst) and hydrogen castor oil (HCO) were used as water-insoluble pharmaceutical aids. Composite polymeric prod…
A derivative of the Si3N4 ceramic is the quaternary SiAlON solid solution. In this paper the characteristic stress-strain response of the β-and c-SiAlON phases is investigated using an ab initio computational procedure, for the γ11 strain component, where different substitutions of the atomic pairs, Al-O, were perform…
Structured fluids (concentrated suspensions, emulsions, gels⋯.) typically exhibit an apparent yield stress. We show here that for a number of these fluids, a unique yield stress cannot be defined. Instead, when solicited above a critical stress, typical yield stress fluids (gels, clay suspensions) and soft glassy mate…