Materials Literature
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The paper presents the results of the first stage of the experimental research of intermediate (barrier) silicon and germanium coating deposition on the substrates not proned to the formation of carbides (steel, titanium, aluminum) by laser ablation. These experiments were carried out using modified YAG-Nd3+ solid sta…
In order to improve the corrosion resistance and the hardness of the 45 steel, under comparison tests, the electroless Ni-B was prepared on the 45 steel. We made a contrast test to get the optimal formula. The coating under the optimal formula was characterized by Scanning Electron Microscopy(SEM), Energy Dispersive S…
The Cemented carbide cutting tool is widely used in more machining factory, the 5 types of cemented carbide materials: YT30+Ta, YTS25, YH1, 726 and 758 and Selected to make brazing and cutting test. The experiment results shown that: (a) the hardness of cemented carbide cutting tool after being brazed does not change,…
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 Chang Fu Dee, Seong Ling Yap, Chi Chin Yap, Chiow San Wong, Burhanuddin Yeop Majlis; Study on the…
The frequency dependent dielectric response of Ar+ implanted CR-39 specimens has been studied. Samples were implanted with 130 keV Ar+ ions to various doses ranging from 5×1014 to 1×1016 cm−2. The frequency response of dielectric constant (e) and dielectric loss has been studied both in the pristine and argon ion impl…
The number of studies on Zinc oxide (ZnO) have increased tremendously over the last ten years due to its widespread applicability as optoelectronic device, sensor, catalyst, transparent conductive oxide layer (TCO) in solar cells and piezoelectric device. The potential compliance of ZnO in those various field is due t…
A systematic study of the effect of cobalt, selectively substituted for Ni and Mn, in the modulated orthorhombic (7M) Ni50Mn29Ga21 alloy has led to interesting correlations between the resultant structure and microstructure. Substitution of Co for Mn resulted in the stabilization of a non-modulated tetragonal (NM) pha…
New biodegradable compounds having high renewable resources starting materials content were developed and formulated at Lab, pilot and industrial level. Pipes were prepared using the here developed compounds, and perfectly mimic the mechanical behavior as well as the chemical resistance of the currently used polyethyl…
The Cr-Si-Zr (or Y) modified aluminide coatings were produced on Ni-base INC738 by a novel single step pack cementation process and their behavior was evaluated in cyclic oxidation and hot corrosion conditions. A dual layer pack with different composition was applied to produce Cr-Si-Zr or Cr-Si-Y modified aluminide c…
Cobalt (II) complexes were synthesis by chemical rout method. The samples were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Extended X-ray absorption fine structure (EXAFS). XRD analysis shows that sample is crystalline in nature and having particle size in the range of few micro meters,…
Article Crystal structure of methanol[μ-N-(5-phenyl-1,3,4-oxadiazol-2-yl)- 4-nitrobenzamide-κ2N1,O1:κN2]sodium, Na(CH4O)(C15H9N4O4) was published on June 1, 2012 in the journal Zeitschrift für Kristallographie - New Crystal Structures (volume 227, issue 2).
A dynamic cavity-expansion penetration model for concrete targets impacted by non-deformable projectile is developed. Based on the dynamic cavity-expansion penetration model, the equations of the final penetration depth were determined including the effect of additional mass and sliding frictional coefficient. The pre…
In this paper, a chemical plant of chromium salt was selected as the typical chromium slag contaminated site. The range and level of chromium in soil were tested by way of digestion and leaching in order to investigate the pollution of chromium slag. Speciation of chromium in soil was simultaneously analyzed by way of…
Pentakis(diethylamido)tantalum (PDEAT) was synthesized by electrochemical reaction involving diethylamide with a sacrificial tantalum anode and stainless steel cathode in the presence of tetraethylammonium bromine as the conductive additive and acetonitrile as the inert support electrolyte. The condensates were isolat…
We predict protein structure using our recently developed free energy function for describing protein stability, which is focused on solvation thermodynamics. The function is combined with the current most reliable sampling methods, i.e., fragment assembly (FA) and comparative modeling (CM). The prediction is tested u…
In this paper, we investigated the effect ofthetemperatureand the initial concentration of sodium bromateon the soluble-insoluble self-oscillation of a nonthermoresponsiveself-oscillatingpolymer chain. The polymer chain consisted of Acrylamide (AM) main-chain covalently bonded to Ru (bpy)3as a catalyst of the Belousov…
The Energy Dispersive X-ray Diffraction, generally referred as EDXD, has shown to be a valid alternative to the conventional Angular Dispersive X-ray Diffraction, the ADXD. EDXD exhibits several advantages to its AD counterpart, mainly related to the properties of the polychromatic X-ray beam utilized for diffracting,…
Various three-dimensional fast spin echo (3D-FSE) sequences are used for non-contrast magnetic resonance angiography (MRA). Differences in the ability to detect vascular stenosis using these sequences, however, have not yet been evaluated. The purpose of this study is to evaluate the usefulness of each sequence for th…
We present an Erbium-doped fiber laser operating at 10 GHz, hybrid mode-locked using an electro-optical phase modulator and carbon nanotubes (CNT) saturable absorbers generating pulses with duration of 1.77 ps and bandwidth of 4.04 nm.
The silicon carbide powders are prepared by carbothermal reduction of domestic mineral resources (white and brown sepiolite), at relatively low temperatures (1200 - 1600oC). Carbothermal reduction process is greatly influenced by chemical composition of sepiolites and type of carbon used. Obtained SiC powders consist…