Materials Literature
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Three kinds of in-situ growth TaC whiskers toughening Al2O3 matrix ceramic cutting tool materials were prepared by two steps, which were in-situ synthesis of TaC whiskers in Al2O3 matrix powder by carbothermal reduction process and hot pressing of the composites respectively. The preparation process, microstructure, m…
Coordination framework synthesis offers a versatile path towards the construction of novel multifunctional materials. The incorporation of metal centres capable of spin-state switching into robust framework hosts allows for the integration of the two properties of spin crossover and nanoporosity. By combining these tw…
Obtaining a sufficient sampling of conformational space is a common problem in molecular simulation. We present the implementation of an umbrella-like adaptive sampling approach based on function-based meshless discretization of conformational space that is compatible with state of the art molecular dynamics code and…
In this research, a hardness and tensile strength tested. A test using medium carbon steel with methods quenching, and tempering variying at 30, 60, and 90 minutes, as well as original material. A Testing Machine Type MR - 20 - CT no. 6592 is used for the tensile strength test and Vickers Hardness Tester using the Mat…
We study exciton-induced degradation of various organic/metal interfaces in organic optoelectronic devices. The results show that organic/metal interfaces are susceptible to irradiation in general, resulting in a deterioration in charge transport across the interfaces. We find that organic/metal interfaces containing…
Two coordination polymers, {[Cu2(L)(en)2(H2O)2]·8H2O}n (1) and {[(CuSaen)3(HL)(H2O)2]·4H2O}n (2) (H4L = 2,2′,6,6′-Tetracarboxybiphenyl, HSaen = N-salicylaldehyde-1,2-diaminoethane and en = Ethylenediamine) have been assembled from 2,2′,6,6′-tetracarboxybiphenyl ligand and Schiff base metal complex CuSaenAc (HAc = acet…
To define the ratio of the signal of the desired pixel and the noise of adjacent pixels, noise and signal sources are theoretically identified. While defining these values, atmospheric attenuation, losses at transmitting surfaces and wave characteristics of light are considered. For presentation purposes, a standard N…
We investigate kinetic pathways of the DNA melting transition using modified versions of the Poland–Scheraga (PS) and Peyrard–Dauxois–Bishop (PDB) models. The models have been generalized to include variable-range energetic interactions. Using Monte Carlo and Brownian dynamic simulations on the PS and PDB models, resp…
Combined reflection and transmission ellipsometry of film-substrate systems provides a wealth of experimental information that proves helpful with extracting the system parameters. In such a technique, both the reflection and transmission ellipsometric functions are simultaneously measured. The technique itself requir…
As limited results were reported in terms of the evolution of sliding friction with growth of oxide layer in thickness during running-in, a pin-on-disc wear test was carried out in this study. 4.8Ni-1.5Cr cast iron as core layer and low carbon steel as outer layers, were thermo-mechanically processed via three differe…
The table-top generation of high average power coherent soft x-ray radiation in a compact set up is of high interest for numerous applications. We have demonstrated the generation of bright soft x-ray laser pulses at 100 Hz repetition rate with record-high average power from compact plasma amplifiers excited by an ult…
Herein we report on the fabrication and the properties of two highly efficient blue light emitting multilayer polymer light emitting diodes (PLEDs). The first device structure combines a thermally stabilized polymer with a material processed from an orthogonal solvent, allowing for the fabrication of a triple layer st…
A series of novel thieno[3,2-c]pyridine-based RGBY phosphorescent Ir complexes have been synthesized and characterized. Solution-processable double-layered OLEDs fabricated with theses materials as the light-emitting layer exhibit high efficiencies. The monochromatic large-area of 40 x 83 mm2 Yellow and Green OLEDs ha…
Three new solution processable small molecular host materials based on bis-[3,5-di(9H-carbazol-9-yl)phenyl] structural moiety have been developed for blue phosphorescence (FIrpic dopant) organic light-emitting diodes. Whereas N,N-bis-[3,5-di(9H-carbazol-9-yl)phenyl]methylamine (CzPAMe) has the highest solid state trip…
Ductile Iron has been a great material in water carrying pipes, heavy duty parts of farm equipment and other heavy applications. This work looked into the corrosion rate of ductile iron in different environments of usage and storage for a period of six (6) months. The environments were outside air, air conditioned (A/…
Face milling is the most common milling operation and can be performed using a wide range of different tools. Tool life is an important indicator of the milling operation in manufacturing process. In high speed machining, there are two forms of security lapse including cutter body rupture and flying out to effect face…
This study presents a TFT structure which has less photo process and higher cost competitiveness in AMOLED display markets. A novel LTPS based 6 masks TFT structure for bottom emission AMOLED display is demonstrated in this paper. High field effect mobility (PMOS < 80 cm2/Vs ) and high reliability (PBTS △Vth< 0.02V @…
The dynamical correlation function, , of liquid germanium at 1500°C is obtained from the Fourier transform using experimental . The limiting value for time to zero of was compared with experimental . From this result, the validity of present is confirmed. From the result of , the value of correlation of located betwee…
With the development of the coating technology, coated tools have been widely used in processing industries. Thread turning is one of its applications. The performance of coated thread inserts varies with the change of coating material, coating thickness, matrix material and tool structure. Two tungsten-cobalt type al…
The transmittance curves describing effects important in the behavior of the diffracted fields generated by coherent illuminated. However, when it is performed a spatial transform on a transmittance curve, this can be done by tilting the screen, for example, the projection of a circle curve is an ellipse as result the…