Materials Literature
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Optical transmission and reflection measurements for crystals of potassium tetrachlorozincate (KZC) doped with Mn2+ or Ni2+ in different concentrations and irradiated with different γ-doses have been carried out along the three crystallographic axes. The results were analyzed to determine the absorption coefficient (α…
Silicone rubber/mineral powder composites have been prepared by surface modification and ultrafinecrashing of mineral powder, mixing and vulcanizing with silicone rubber resin. The surface and interface energy for mineral filler and silicone rubber matrix were investigated. It was found that there is a correlation bet…
Poly(ethylene terephthalate) (PET) / poly(ethylene naphthalate) (PEN) blends with 50/50 composition have been prepared by melt-mixing at the temperatures above 280°C and subsequent heating at 280°C before hot-press molding. Progress of transesterification reaction and formation of PET-PEN random copolymers during thes…
New positive-working photosensitive polyimides (PSPIs) based on polyimides bearing sulfo groups (PISs) and 1-{1,1-bis[4-(2-diazo-1-(2H)naphthalenone-5-sulfonyloxy)phenyl]ethyl} -4-{1-[4-(2-diazo-1(2H)naphthalenone-5-sulfonyloxy)phenyl]methylethyl}benzene (S-DNQ) as a photosensitive compound have been developed. PISs w…
Establishment of Condition Based Maintenance (CBM) for hydrogenerator is very important for monitoring the insulation of stator windings. The partial discharge (PD) testing is a promising method of stator winding insulation of hydrogenerator conditions monitoring. Therefore, the on-line PD testing has been used to pro…
The effects of grain size and doping on the photovoltaic current in (Pb1-xLax)TiO3 ceramics were investigated under uniform illumination. The effects are discussed on the basis of an electro-potential barrier associated with the grain boundary. Photo-excited electrons were trapped at the grain boundary and then built…
High-quality SrBi2Ta2O9 single crystals were grown by self-flux solution method. According to x-ray topography the crystals with layered habitus and typical dimensions up to ∼ 7 × 5 × 0.05 mm3 show perfect (001)-orientation with the edges directed along [110] axes. The quality of the crystals was also confirmed by hig…
This paper discusses the possibility of correcting the aberrations of concave holographic gratings recorded by means of supplementary concave mirrors. It is shown that, to compensate 1st-3rd-order aberrations, it is adequate to use a single supplementary cylindrical mirror whose axis lies in the dispersion plane of th…
We report on the magnetic properties and magnetocaloric effects of Mn5Ge3-xGax compounds with x=0.1,0.2,0.3,0.4,0.6 and 0.9. All samples crystallize in the hexagonal Mn5Si3-type structure with space group P63/mcm and order ferromagnetically.The Curie temperature of these compounds decreases with increasing x, from 306…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation V. A. Buryachenko, A. Roy; Modeling for thermoelastic properties of advanced nanocomposites of ra…
In this article, preparation of nano-graphite powders in a steel chamber by using pure TNT (trinitrotoluene) explosives has been reported. X-ray diffraction results indicated that the black solid powders which were collected from the wall and the bottom of the chamber after detonation have the graphite structure and t…
Pulse irradiation simulating reactivity-initiated-accident (RIA) condition was conducted for test rod prepared from fuel irradiated in a commercial reactor and fission gas release behavior from fuel pellet during pulse irradiation was investigated. Optical microscopy (OM) and scanning electron microscopy (SEM) observa…
The thermal conductivities of granular UO2 compacts with and without uranium particles were measured to evaluate the thermal performance of vibro-packed granular MOX fuels containing metallic fine particle oxygen getters. The thermal conductivity of the compact with 10 wt% of uranium particles was higher than that of…
"Effect of Trace Elements On The Properties Of Grey Cast Iron." Materials Technology, 19(3), pp. 153–154
We demonstrate the potential of interference lithography in the DUV by examples of two-dimensional patterns that have been obtained by multiple exposure techniques. Using immersion prisms we realized gratings with more than 10 000 lines/mm.
This paper presents research achievements and development trends of automobile light-weight in developed world, and mainly on the production characteristics of AHSS, besides that, discusses the customer-oriented application technology in automobile steel sheet. Also, this paper discusses the future of automobile light…
The effect of crosslink density of unsaturated polyester resin on the corrosion resistance was investigated. Cured unsaturated polyesters with different crosslink density were immersed in pure water and potassium hydroxide solution. Since the weight of resin increased in proportion to the square root of immersion time…
An attempt has been made as a fundamental study on monitoring of high temperature oxidation of carbon steel with an AC impedance method. A typical environment of hot air at 873K was preferred for acceleration tests of oxide film growth. Two specimens of carbon steel were faced with each other with a narrow gap, which…
In order to improve the corrosion resistance and biocompatibility of NiTi surgical alloy, TiO2 and TiO2-SiO2 thin films were prepared by sol-gel method. The surface characteristics of the film, which include surface composition, microstructure and surface morphology, were studied by X-ray diffraction (XRD), atomic for…
PbZrO3 (PZO)/PbTiO3 (PTO) artificial superlattices have been grown on La0.5Sr0.5CoO3 (LSCO) (100)/MgO (100) substrate by pulsed laser deposition (PLD) with various stacking periods from 1 to 100 unit-cells. The ferroelectric properties of the superlattices were investigated by scanning probe microscopy (SPM). We have…