Browsing Center of Excellence for Geopolymer and Green Technology (CEGEOGTECH) (Articles) by Title
Now showing items 5-24 of 136
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Characterisation at the bonding zone between fly ash based geopolymer repair materials (GRM) and ordinary portland cement concrete (OPCC)
(MDPI AG, 2020-12)In recent years, research and development of geopolymers has gained significant interest in the fields of repairs and restoration. This paper investigates the application of a geopolymer as a repair material by implementation ... -
Characterization of different additives of sintered cobalt F-75 alloy in biomaterial applications
(Trans Tech Publications, 2014)A Co-Cr-Mo (ASTM CoF-75) alloy is normally used because of their good in physical, mechanical, wear and as well as biocompatibility. In order to obtain similarity chemical structure of bone, addition of HAP or TCP into ... -
Characterization of geopolymer ceramic reinforced Sn-0.7Cu composite solder: effect of milling time and speed
(IOP Publishing Ltd, 2019-12)The effect on the addition of optimally ball milled kaolin and fly ash geopolymer ceramic as reinforcement on the morphology and electrical properties of Sn-0.7Cu composite solder were explored. Geopolymer ceramics from ... -
Comparative study on human and bovine AT-SC isolation methods
(Elsevier Ltd., 2013-11)Mammalian adipose tissue derived stem cells (AT-SC) have a tremendous potential in regenerative medicine for tissue engineering and somatic nuclear transfer (SNT). The isolation methods of human and bovine adipose tissue ... -
The comparison between four PLCC packages and eight PLCC packages in personal computer (PC) using computational fluid dynamic (CFD), fluent software™ using epoxy moulding compound material (EMC)
(Trans Tech Publications, 2013)The paper present the three dimensional numerical analysis of heat and fluid flow through Plastic Leaded Chip Carrier (PLCC) packages in inline orientation horizontally mounted on a printed circuit board in a wind tunnel ... -
Comparison of original and sintered LUSI mud from East Java, Indonesia as raw material for making a geopolymer
(American Scientific Publishers, 2013-01)This paper presents the characterization of LUSI mud from East Java, Indonesia, as a potential raw material for making a geopolymer. Two types of LUSI mud were analyzed, i.e., original LUSI mud and LUSI mud that had been ... -
Compressive strength and morphology of fly ash based geopolymer as artificial aggregate with different curing temperature
(Trans Tech Publications, 2014)This paper presented the compressive strength of geopolymer paste with different NaOH concentration and morphology analysis for sintered artificial aggregate. This artificial aggregate was produce based on mix design with ... -
Compressive strength of fly ash based geopolymer / glass fiber composite via filament winding
(Trans Tech Publications, 2014)In general, filament winding technique is used to fabricate the composite pipes using continuous fiber and matrix resin. In this study, fly ash based geopolymer resin composites reinforced by continuous glass fiber were ... -
Copper ion-exchanged channel waveguides optimization for optical trapping
(Elsevier Ltd., 2013-08)Optical trapping of particles has become a powerful non-mechanical and non-destructive technique for precise particle positioning. The manipulation of particles in the evanescent field of a channel waveguide potentially ... -
Cu-SiCp composites as advanced electronic packaging materials
(Trans Tech Publications, 2014)The demand for advanced thermal management materials such as silicon carbide particles reinforced copper matrix (Cu-SiCp) composites is increasing due to the stringent design requirement in the electronic packaging industries. ... -
The density functional study of electronic structure, electronic charge density, linear and nonlinear optical properties of single crystal alpha-LiAlTe₂
(Elsevier, 2014)Self-consistent calculations is performed using the full potential linear augmented plane wave (FP-LAPW) technique based on density functional theory (DFT) to investigate the electronic band structure, density of states, ... -
Density functional study of electronic, charge density, and chemical bonding properties of 9-methyl-3-Thiophen-2-YI-Thieno [3,2-e] [1, 2, 4] Thriazolo [4,3-c] pyrimidine-8-Carboxylic acid ethyl ester crystals
(Elsevier B. V., 2014-06)A comprehensive theoretical density functional investigation of the electronic crystal structure, chemical bonding, and the electron charge densities of 9-Methyl-3-Thiophen-2-YI-Thieno [3, 2-e] [1, 2, 4] Thriazolo [4,3-c] ... -
Density of states, optical and thermoelectric properties of perovskite vanadium fluorides Na₃VF₆
(Elsevier/NORTH-HOLLAND, 2014)The electronic structure, charge density and Fermi surface of Na₃VF₆ compound have been examined with the support of density functional theory (DFT). Using the full potential linear augmented plane wave method, we employed ... -
Development of nano-material (nano-silver) in electronic components application
(AENSI Publisher All rights reserved, 2013-10)This paper presents the development of nano-material in electronic components especially in Plastic Leaded Chip Carrier (PLCC) application. The effect of nano-material in Plastic Leaded Chip Carrier (PLCC)will improve ... -
Disorder dependent half-metallicity in Mn2CoSi inverse Heusler alloy
(Elsevier Ltd., 2013)Heusler alloys based thin-films often exhibit a degree of atomic disorder which leads to the lowering of spin polarization in spintronic devices. We present ab-initio calculations of atomic disorder effects on spin ... -
Dispersion of the second harmonic generation from CdGa₂X₄ (X = S, Se) defect chalcopyrite: DFT calculations
(Elsevier, 2014)All electron full potential linear augmented plane wave method was used for calculating the nonlinear optical susceptibilities of CdGa₂X4₄(X = S, Se) within the framework of density functional theory. The exchange correlation ... -
Drift and diffusion component studies in cdte structure for photovoltaic application
(ESG, 2014-01)A photovoltaic cell is designed to convert sunlight into electrical energy through the photoelectric effect. Solar cells are the most attractive source to harness solar energy; it is not only has high efficiency, but also ... -
Effect of Alkaline Activator to Fly Ash Ratio for Geopolymer Stabilized Soil
(EDP Sciences, 2017)Geopolymer technology have been developed and explored especially in the construction material field. However, lack of research related to geopolymer stabilized soil. In this research, the utilization of geopolymer has ... -
Effect of annealing atmosphere on the morphology of copper oxide thin films deposited on TiO₂ substrates prepared by sol-gel process
(Trans Tech Publications, 2014)Copper oxide films were prepared via sol-gel like spin coating starting from methanolic solutions of cupric chloride onto the TiO₂ substrates. Films were obtained by spin coating under room conditions (temperature, 25-30 ... -
Effect of beta tricalcium phosphate (β-TCP) on properties of Mg-Zn composites
(Trans Tech Publications, 2014)In this work, Mg and Zn powder were used to prepare the Mg-Zn/β-TCP composites with different β-TCP composition by using powder metallurgy technique. The composite were mixed using ball mill and compacted at 500 MPa. The ...