Materials Literature
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Initial burst release of drugs is a major shortcoming which needs to be addressed in treating osteomyelitis by using drug delivery systems (DDS). The aim of this study was to develop a novel DDS for reducing initial burst release based on the combination of chitosan (CS) microspheres and calcium polyphosphate/chitosan…
Many metal oxides with promising electrochemical properties were developed recently. Before those metal oxides realize the use as an anode in lithium ion batteries, their thermal stability at anaerobic environment inside batteries should be clearly understood for safety. In this study, copper oxide nanowires were inve…
The high quantum yield of 1 compared to 4 is explained by the S 1 –T 1 splitting energy, the transition dipole moment and the energy gap between 3 MLCT/π–π* and 3 MC d–d states. Complexes 2 and 3 are expected to be the potential phosphorescence emitters in OLEDs with high quantum efficiency.
Using a rigid ligand, pyridine-3,5-bis(phenyl-4-carboxylic) acid, six new coordination polymers have been synthesized and characterized, and their magnetic, photoluminescence and gas adsorption properties have been studied.
In this paper, burning performance of liquorices was tested by cone calorimeter. The results indicated that liquorices were easily to be ignited, the minimum ignition heat flux intensity theoretically can be speculated at 5.8822 kW • m-2;during the early time of the ignition of liquorices, in view of the thick carboni…
Au-loaded TiO2nanoparticles were synthesized by the modified sol-gel method together with the impregnation method. Anatase phase of TiO2was obtained in all samples with an average particle size of 20 nm. For the enhancement of DSSCs, the dye-sensitized solar cells composed of the ITO/Au-loaded TiO2/N-719/electrolyte/P…
In this study, investigation was conducted to study the use of solid biomass from palm oil mill as insulation material. The experimental study concentrates on using oil palm fiber to determine the unidirectional thermal conductivity, k. The experiment was conducted at different temperature ranges and packing density.…
Compression of the crystal structure and its impact on the charge transport properties of a model borinic quinolinate system.
InThe effect of aspect ratio on the piezoresistive behavior of the multiwalled carbon nanotubes/thermoplastic elastomer nanocomposites
This paper presents a failure analysis on a modern high performance diesel engine cylinder head made of gray cast iron. Cracks appeared intensively at the intersection of two exhaust passages in the cylinder head. The metallurgical examination was conducted in the crack origin zone and other zones. Meanwhile, the load…
A series of uranyl organophosphinates including one-dimensional chain or two-dimensional sheet structures has been synthesized using hydroxymethyl phenylphosphinic acid (HMPPA) as the ligand.
Two new near-infrared porphyrins exhibited energy conversion efficiency of 7.21% in dye-sensitized solar cells.
In the present work, a new method to predict the stress-strain curves for three-phase materials has been developed. It was applied using the example of an Mg-stabilized zirconia reinforced TRIP-matrix-composite. The content of the ceramic phase was varied between 5% and 20%, whereas the particle size of the ceramic wa…
The tail drive shaft (TDS) of a helicopter is vital component which is responsible for its stability, is often prone to impact damage during combat and is damaged. Usually when the tail drive shaft is damaged, it is replaced during maintenance. But during the time of conflict, the replacement shaft may not always be a…
This paper proposes an optimal d-axis current to suppress the 2nd radial force, which is caused by the fundamental permanent flux. Under the no-load condition, the flux distribution is approximated in order to calculate the radial force. Considering the cyclic nature of 3-phase, the optimal d-axis current reference to…
Development of a reliable 3D integrated system is largely dependent on the choice of filler materials used in through-silicon vias (TSVs). This research paper presents carbon nanotube (CNT) bundles as prospective filler materials for TSVs and provides an analysis of signal integrity for different single- (SWCNT), doub…
This paper proposes a design method for stepped skewing of rotor magnets to selectively eliminate the harmonics of the no-load electromotive force (EMF) and the ripple torque, which is generated by the interaction of the stator current magnetomotive force with the rotor magnet flux distribution. The method is based on…
An ultra-high strength steel sheet with a tensile strength over 1500 MPa and excellent low-temperature impact toughness was obtained by either using controlled rolling plus air cooling (CR+AC) or laboratorial thermo-mechanical controlled processing (TMCP). The effects of CR+AC and the TMCP processes were then examined…
The multiscale analysis in the authors’ finite element code confirmed possibility of fracture, because of not sufficiently high level of compressive residual stress in the TiN deposited by physical deposition method and varied mechanical properties of the thin film and substrate. The residual stress cannot be identifi…
A smooth particle hydrodynamic (SPH)-based scratch model was proposed to study the influences of residual stress induced by the first cutting on subsequent scratch. In this paper, comparisons were made between the results of only scratching the specimen and those of subsequent scratching the specimen after cutting und…