Browsing School of Materials Engineering (Articles) by Title
Now showing items 1-20 of 560
-
An ab initio density functional study of the optical functions of 9-Methyl-3-Thiophen-2-YI-Thieno [3,2e] [1,2,4] Thriazolo [4,3c] Pyrimidine-8-Carboxylic Acid Ethyl Ester crystals
(Elsevier B.V., 2012-09)An ab initio investigation of the optical constants of 9-Methyl-3-Thiophen- 2-YI-Thieno [3,2e] [1,2,4] Thriazolo [4,3c] Pyrimidine-8-Carboxylic Acid Ethyl Ester crystal is performed within a framework of local density ... -
Absorption and photoconductivity spectra of Ag 2GeS 3 crystal: Experiment and theory
(Elsevier B.V., 2012-07)Spectral features of polycrystalline Ag 2GeS 3 samples synthesized from high-purity elements (at least 99.99 wt.% purity) in quartz ampoules evacuated to 0.1 Pa were explored. The band energy gap of Ag 2GeS 3 crystals ... -
Accounting oxygen vacancy for half-metallicity and magnetism in Fe-doped CeO2 dilute magnetic oxide
(Elsevier B.V., 2013)The present work explores the electronic and magnetic properties of Ce 1-xFexO2 (x = 0.125 and 0.06) with and without oxygen vacancies by full potential linear augmented plane wave method (FPLAPW) based on density functional ... -
Acentric nonlinear optical 2,4-dihydroxyl hydrazone isomorphic crystals with large linear, nonlinear optical susceptibilities and hyperpolarizability
(American Chemical Society, 2012-04)A systematic ab initio study of the linear, nonlinear optical susceptibilities, and hyperpolarizability of noncentrosymmetric-monoclinic 2,4-dihydroxyl hydrazone isomorphic crystals (DHNPH) within density functional theory ... -
Adsorption behavior of cationic and anionic dyes onto acid treated coconut coir
(Taylor and Francis Group, LLC., 2013-09)The adsorption of Methylene Blue (MB) and Acid Orange 7 (AO7) from aqueous solutions by acid treated coconut coir was investigated under laboratory conditions to assess its potential in removing cationic and anionic dyes. ... -
Alteration in the microstructure of fly ash geopolymer upon exposure to elevated temperatures
(Trans Tech Publications, 2013)This paper represents the mechanical and microstructure changes in geopolymeric material synthesized by the alkali activation of locally source fly ash at high temperatures of 400, 600 and 800 °C. The high compressive ... -
Aluminium parts from scrap using new technique
(Journal of Ultra Scientist of PhysicalFaculty of Science and Professional Arts,Sciences, Universiti Putra Malaysia Terengganu, 2000)A new method for making aluminium parts using scrap under Asian condition has been suggested. The new technique is known as Powder Metallurgy (P/M) and is the technology of future. The process is economic, clean, requires ... -
Amino acid 2-aminopropanoic CH 3CH(NH 2)COOH crystals: Materials for photo- and acoustoinduced optoelectronic applications
(Springer Science+Business Media, LLC, 2012-10)Photo-induced treatment of L-alanine single crystals grown by slow evaporation method at an ambient temperature was performed using a 25 ps Nd:YAG pulsed laser in the presence of an external acoustic filed. The changes of ... -
Application of clay - based geopolymer in brick production: A review
(Trans Tech Publications, 2013)This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ... -
Application of clay - based geopolymer in brick production: a review
(Trans Tech Publications/Scientific.Net, 2012-12)This paper reviews and summarizes the current knowledge and application of clay as a geopolymer material in production of geopolymer brick. As we understand, the nature of source materials give a significant impact to the ... -
Austenitic stainless steel by powder metallurgy-promises and problems
(Powder Metallurgy Association of India (PMAI)Aligarh Muslim University, Aligarh, 1984)Production techniques and properties of austenitic stainless steel powders have been described in brief. Influence of oxygen accretion during sintering, factors affecting compressibility and influence of annealing powders ... -
Band structure, density of states, and crystal chemistry of ZrGa₂ and ZrGa₃ single crystals
(Elsevier, 2013-04)Using FP-LAPW Method we have performed calculations of the band structure of the ZrGa₂ and ZrGa₃ crystals. The all-electron full potential linearized augmented plane wave method was used to solve the Kohn Sham DFT equations. ... -
Bicolor laser stimulated elastooptical effect in the 2-cyclooctylamino-5-nitropyridine-C70 system
(Springer, 2013-01)For the first time the piezooptical effect has been observed in the 2-cyclooctylamino-5-nitropyridine doped with intermolecular strong acceptor—fullerene C70. The observed effect may be used for optically operated ... -
Biodegradability analysis of KBF reinforced poly (lactic acid) biocomposites
(Trans Tech Publications, 2012)Poly (lactic acid) (PLA) and kenaf bast fiber (KBF) were melt-blended using brabender into films in the PLA/KBF ratios of 100/0, 90/10, 70/30 and 50/50 for natural soil burial test. This formulation was used to study the ... -
Bismuth in gallium arsenide: Structural and electronic properties of GaAs 1-xBi x alloys
(Elsevier Inc., 2012-02)The structural and electronic properties of cubic GaAs 1-xBi x alloys with bismuth concentration 0.0, 0.25, 0.50, 0.75 and 1.0 are studied using the 'special quasi-random structures' (SQS) approach of Zunger along with the ... -
A brief review of layered rock salt cathode materials for lithium ion batteries
(Trans Tech Publications, 2013)Nowadays, many researchers have been studying on the layered rock salt-type structure as cathode materials for the lithium ion batteries. LiCoO2 is the most commonly used cathode material but Co is costly and toxic. Thus, ... -
Calcined kaolin geopolymeric powder: Influence of water- to geopolymeric powder ratio
(Trans Tech Publications, 2012-07)This paper describes the synthesis of calcined kaolin geopolymeric powder from the alkaline activation of calcined kaolin followed by solidification and pulverizing process. The geopolymeric powder was used by just adding ... -
Calculation of the lattice constant of hexagonal compounds with two dimensional search of equation of state and with semilocal functionals a new package (2D-optimize)
(Elsevier B.V., 2013-04-05)A new package for calculating lattice constants and equation of state for hexagonal and tetragonal structure is released. We call it as 2D-optimize. The new package is compatible with the highly accurate all-electron ... -
Case Carburizing Behaviour of Sintered Phosphorus-Containing Ternary Ferrous Powder Compacts
(Z.H. College of Engineering and Technology, Aligarh Muslim University, India, 1983)The carburizing response of sintered compacts of iron containing phosphorus (0.6%), nickel or molybdenum (2% to 4%) and copper (2% to 4%) has been studied. Hardness variation from case to core was measured for sintered and ... -
Characterization and phase evolution of cordierite based glass synthesis from pure oxide and minerals
(Trans Tech Publications, Switzerland, 2011)α Cordierite is very important phase in MgO-Al2O 3-SiO2 system because of their very outstanding thermal, chemical and electrical properties. In this presents study non-stoichiometry cordierite (MgO:Al2O3:SiO2 = 3:1.5:5) ...