Materials Literature
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Thin films with tungsten trioxide (WO 3 ) nanorods were fabricated by using an ArF pulsed laser deposition system. Because the ArF excimer laser operates at a very short wavelength of 193 nm, short enough to expect strong absorption of the photons in the semiconductor oxide targets, and because the clusters incoming t…
Controlled titanium dioxide (TiO2) thin films were deposited on stainless steel surfaces using the flame-aerosol synthetic technique, which is a one-step coating process that does not require further calcination. Solid state characterization of the coatings was conducted by different techniques, including X-ray diffra…
Magnetic Barkhausen Noise (MBN) can be used for non-destructive evaluation of structural properties of ferromagnetic materials. An EMF due to Barkhausen noise is induced in a coil near the surface or encircling a ferromagnetic material which is subjected to an alternating external magnetic field. MBN measurements were…
In 2001 it was reported that in North America alone, corrosion to the Oil & Gas pipeline distribution network cost approximately $2-3.3 billion per annum with 10% of that cost being associated with actual failure of the pipeline. In addition pipelines are also susceptible to erosion and mechanical damage producing fur…
The peak value of three-phase transformer's inrush current depends, among other factors, on value of the residual flux in the iron core. Higher residual flux produces the inrush current of greater value. Diminishing of magnetism in the core can reduce value of the current. This article presents demagnetization of the…
Directional solidified turbine blades of Ni-based superalloy are widely used as key parts of the gas turbine engines. The mechanical properties of the blade are greatly influenced by the final microstructure and the grain orientation determined directly by the grain selector geometry of the casting. In this paper, mat…
Structural characteristics of numerous globular proteins in the denatured state have been reviewed using literature data. Recent more precise experiments show that in contrast to the conventional standpoint, proteins under strongly denaturing conditions do not unfold completely and adopt a random coil state, but conta…
Coir/silk fiber-reinforced polypropylene (PP) based unidirectional composites (40 wt.%) were manufactured by compression molding. Coir/silk fibers and PP sheets were treated with ultraviolet radiation at different intensities and then composites were fabricated. It was found that mechanical properties of irradiated si…
Amorphous Ge1−xMnx thin films have been prepared by co-depositing Ge and Mn on SiO2/Si using an ultrahigh vacuum molecular beam epitaxy system. Across a range of growth temperatures and Mn concentrations (2.8 at. %, 10.9 at. %, and 21.3 at. %), we achieved enhanced magnetic and electrical properties with non-magnetic…
Mt Etna (Italy) is the highest, active volcano in Europe. Thanks to the availability of descriptive documents and maps, it is possible to date the formation of several Etna soils. We evaluated the effect of soil formation age on the composition of the soil organic matter (SOM) and humic acids (HAs) from two Etna andis…
This time, rattan bark fiber’s used in furniture industries and home industries because it is easy to get, cheap,not to be danger for our health, and it can lesson environment pollution (biodegradability); so, with exploit ascomposites lasing fibre, later, it can overcome the environment problem. The rattan bark devel…
Abstract Lysozyme‐loaded polymeric composite microparticles were successfully coprecipitated by solution‐enhanced dispersion by supercritical CO2 (SEDS), starting with a homogeneous organic solvent solution of lysozyme/poly(L‐lactide)/poly(ethylene glycol) (lysozyme/PLLA/PEG). The effects of different drug loads (5, 8…
In this paper, an inversion algorithm has been proposed and validated, based on a fast simulator of pulsed eddy current testing (PECT) signals and a deterministic optimization strategy, for the profile reconstruction of wall thinning in pipes of nuclear power plants. Local wall thinning is modelled as a group of plana…
The importance of radial (i.e. perpendicular to the magnetic surface) electric fields was already recognised early in the research on controlled thermonuclear fusion. An initial description of electric field effects in toroidal confinement was given by Budker. Such a configuration with combined magnetic and electric c…
Xin-hua Tian1, Feng Wei1, Tian-xiao Wang2, Peng Wang1, Xiao-ning Lin1, Jun Wang2, Dong Wang2, Lei Ren2,31Neurosurgical Department of Affiliated Zhongshan Hospital, 2Research Center of Biomedical Engineering, Department of Biomaterials, College of Materials, 3State Key Laboratory for Physical Chemistry of Solid Surface…
In this paper, ultrafine CaCO 3 particles were modified by four acrylate macromolecular modifiers, AC730, AC532, AC235 and AC037 with glass transition temperature from low to high, and subsequently added into PVC to investigate their influence on morphology and mechanical properties of the composites. Dispersity tests…
We investigated the critical conditions to realize reliable and nano-engineered templates for surface-plasmon enhanced Raman scattering (SERS). Ultra-sensitive SERSs of thymine oligonucleotides were successfully realized on the template of Au nanoparticle arrays which were prepared by the combination of electron-beam…
By using ordinary lathe, carried out cutting experimental study with cylindrical turning 45# steel on TiB2 ceramic cutting tool. By using Stereo Microscopy and Scanning Electron Microscopy, recorded cutting tool surface’s friction and wear conditions. The results showed that higher cutting speed could made surface rou…
We report on microcrystalline silicon thin films and a-Si:H/a-SiGe:H/μc-Si:H triple-junction p-i-n solar cells deposited on large-area glass substrate. Microcrystalline silicon (μc-Si:H) bottom cells were deposited at a VHF-PECVD deposition system with 40.68MHz. It is necessary to develop the uniformity of μc-Si:H thi…
The very poor hot workability of high-alloyed GH4742 superalloy is represented in the aspects of very narrow available deformation temperature range, high deformation-resistant force and poor ductility. In this paper, a special heat treatment to change the ingot microstructure is proposed to improve the hot workabilit…