Materials Literature
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The original mixed-mode model is reformulated by considering the soft impingement effect and applying a general polynomial method of dealing with the concentration gradient in front of the interface. Comparison with the numerical solution shows that the reformulated mixed-mode model is more precise than the original m…
High temperature operation of power plant increases their efficiency and reduces emissions. Low gamma-prime fraction nickel-based superalloys, such as IN617, are becoming increasingly important in substituting for conventional steel components due to their better performance at higher temperatures. The aim of this wor…
The present authors recently presented the time-dependent Ginzburg-Landau (TDGL) formulation for L12 type ordering processin binary alloys, taking into account the symmetrical relationships of these ordered phases. Extending the formulation, the authors have developed the TDGL model for microstructural evolution of D0…
With scanning Kelvin probe and microscopy technique, the degradation process of the micro-arc oxidation (MAO) treated magnesium alloy was investigated under a 3% NaCl droplet. Because of the unique two-layer structure of the MAO specimen, the droplet penetrated in and spread through the external loose layer during the…
Batai (paraserianthes moluccana) tropical wood species was impregnated with three levels of polyvinyl alcohol (PVA) solutions (25%, 50% and 75%) for composite manufacturing. Manufactured wood polymer composites (WPCs) were characterized using Fourier Transform Infrared spectroscopy (FTIR), Scanning Electron Microscopy…
The paper describes results of investigation on sputtered NiFe Films to determine the sputter deposition condition that could produce magnetic field sensors with the desired magnetic and magnetoresistive properties. The magnetic thin films materials used in such devices should have a low coercive force, a low anisotro…
In this paper, we have investigated the geometries and electronic structures of B-N co-doped carbon nanotube with inside adsorption of water molecules. The charge distributions, band structures and local density of states are calculated by using the first-principles theory in detail. The results show that the water mo…
Photosensitivity in ferroelectric liquid crystal (FLC) material has been developed by dispersing Cadmium Sulfide (CdS) nano-particles in FLC (CdS-FLC) host. The nematic (N*) – ferroelectric (SmC*) phase transition temperature for the CdS-FLC sample in absence and presence of white light excitation decreases by 6 and 1…
The purpose of this study was to investigate washing effects according to the rinsing conditions and the characteristics of soiled fabrics. In this study rinsing conditions including rinsing cycle, time, temperature, and bath ratio were examined. The foamability of rinsing bath was also examined. The quantity of LAS i…
In Malaysia, especially Borneo Island Sarawak has a large scale of tropical wood species. In this study, selected raw tropical wood species namely Artocarpus Elasticus, Artocarpus Rigidus, Xylopia Spp, Koompassia Malaccensis and Eugenia Spp were chemically treated with sodium meta periodate to convert them into wood p…
The Y/MCM-41 composite molecular sieves were synthesized in the method of hydrothermal crystallization with cetyltrimethylammonium bromide (CTMABr) as the template agent. The as-prepared composite molecular sieves were characterized by the means of X-ray powder diffraction (XRD), Fourier transform infrared spectroscop…
The microstructure formed in a steel after a partial martensitic transformation contains martensite-austenite assemblies with similar chemical composition in the two phases. In the absence of carbide precipitation, further annealing or tempering of this microstructure is believed to promote carbon partitioning from th…
The objective of this study was to investigate the virus removal from artificial groundwater using Mg-Fe layered double hydroxide (LDH).Batch experiments were conducted under various experimental conditions to examine bacteriophage T7 removal with Mg-Fe LDH.Results showed that the removal of T7 by Mg-Fe LDH was a fast…
We compare three models of 2D precipitation kinetics that give access to different time-space scales. Kinetic Monte Carlo simulations (KMC), cluster dynamics (CD) and nucleation-growth-coalescence model (NGCM), based on a same atomic model, lead to an excellent agreement as long as the interfacial free energy is evalu…
In this study, the goose meat was used as raw material and the formula of composite tender agent was optimized by Response Surface Methodology. Goose breast meat were soaked with exogenous protease of plants, phosphate and Ca2+ for 3 hours at 2 °C. The influence of different composite tender agent on the water-holding…
Nanocrystallite Mg-3Al-Zn alloy was synthesized by ball milling of elemental powders of Mg, Al and Zn under hydrogen atmosphere. The powders of Mg, Al and Zn were mechanical alloying and disproportionated by ball milling under hydrogen and desorption-recombination was then performed. The structural changes due to both…
리빙 프리 라디칼 중합법은 ATRP, NMP, RAFT 등의 방법이 있으며, 지난 수 십년간 매우 빠르게 발전해 왔다. 그 중에서 RAFT 중합법은 다른 방법들에 비해 최근에 학문적으로 크게 주목 받고 있다. RAFT 중합법은 다른 리빙 프리 라디칼 중합법에 합성할 수 있는 단량체의 종류나 합성의 제한이 비교적 작아서, 다양한 기능성 고분자를 쉽게 중합할 수 있으며, 합성한 고분자의 분자량 분포 또한 좁게 만들 수 있는 장점이 있다. 따라서 RAFT 중합법을 통해 다양한 형태의 블록 공중합체, 댄드리머 등을 합성하는데 이용되고 있다. 이 논문에서는 위와 같은 RAF…
In this paper, a novel design for a dual-band negative group delay circuit (NGDC) is proposed. Composite right/left-handed (CRLH) ${\lambda}/4$ short stubs are employed as a dual-band resonator. A CRLH ${\lambda}/4$ short stub is composed of a typical transmission line element as the right-handed component and a high-…
This paper focuses on the electrodeposition of nickel from a Ni Watts solution in the presence and absence of a permanent parallel magnetic field (PPMF) to the cathode surface. It was found that the difference between the mass deposition were enhanced in the presence of PPMF and absence of a PPMF (B = 4.4 T) with incr…
The room-temperature fluorescence of a charge-transfer (CT) complex different from those of the component donor/acceptor in polar organic solvent is not very common. The phenomenon is even rarer in aqueous medium. The present work demonstrates that a CT complex formed between reserpine (Res) and 2,3-dichloro-5,6-dicya…