Listar Instrumentación y Física de la Materia Condensada – GIFIMAC por título
Mostrando ítems 20-39 de 39
-
Manufacture of oxy-acetylene thermally sprayed coating on refractory subtrates from unconventional feedstock material
(DYNABogota , Colombia, 2018-04-01)A chromite mineral and two industrial residues produced in the petrochemical and thermoelectric industries, were selected, characterized, processed and deposited on refractory bricks. By means of X-ray fluorescence and ... -
Manufacturing of Photoactive β-Bismuth Oxide by Flame Spray Oxidation
(Journal of Thermal Spray Technology, 2021-03-21)Photoactive tetragonal bismuth oxide powder with different semiconducting characteristics was synthesized from Bi-pellets by flame spray oxidation. The effect of feedstock particle size and standoff distance (SOD) on the ... -
Mechanical and tribological behavior of red clay ceramic tiles coated with fly ash powders by thermal spraying technique
(Journal of Physics: Conference SeriesBogota , Colombia, 2017)The mechanical and tribological performance of red clay ceramic tiles uncoated and coated by oxy-fuel thermal spraying process from fly ash powders was evaluated. The ceramic tile substrates were manufactured by uniaxial ... -
Microstructure, physical and mechanical properties of kaolin - diatomite composite reinforced with CaCO3
(DYNA, 2019-07-01)The present work reports the microstructure, physical and mechanical properties of a material composed of kaolin, diatomite and calcium carbonate reinforcement (CaCO3). The ceramic prototypes were shaped by the slip casting ... -
Modelling the effect of temperature on the physical and mechanical properties of ceramic composites filled with foundry sand waste
(Journal of Physics: Conference SeriesLondres, Reino Unido, 2019-11-29)The aim of this research is to describe the temperature effect on the water absorption, linear shrinkage, density and compressive strength of ceramic composites produced by mixing clay with additions of foundry sand waste ... -
Obtaining and characterization of nanostructured coatings of zirconiaalumina- ceria by thermal spray flame
(Journal of Physics: Conference Series, 2019-11-19)Zirconia, alumina and ceria powders were agglomerated, by granulator disk, to be used as raw material in the manufacture of coatings on red clay substrates by flame spray. Three mixtures of different compositions were made ... -
Obtaining and characterizing of WC-Co coatings obtained from thermal spray by flame
(Journal of Physics: Conference SeriesLondres, Reino Unido, 2019-11-29)Tungsten carbide is used in the production of cutting tools for steel and as protection against wear due to its extremely high hardness. High speed oxygen fuel spraying process has been widely used to deposit WC-Co coatings. ... -
Optimization of the parameters for obtaining zirconiaalumina coatings, made by flame spraying from results of numerical simulation
(Journal of Physics: Conference SeriesLondres , Inglaterra, 2017-12-29)The K-Sommerfeld values (K) and the melting percentage (% F) obtained by numerical simulation using the Jets et Poudres software were used to find the projection parameters of zirconia-alumina coatings by thermal spraying ... -
Optimization of the Tensile Properties of Polymeric Matrix Composites Reinforced with Magnetite Particles by Experimental Design
(TecnoLógicasBogota , Colombia, 2020-05-15)A full-factorial 33 experiment was used in this study to determine the optimal values of the tensile properties of three composite materials manufactured based on three polymeric resins: Derakane Momentum epoxy vinyl ester ... -
Porous covering compound of clay matrix and coal ashes
(Contemporary Engineering SciencesSofia , Bulgaria, 2018-11-05)Here are presented the elaboration and characterization of a composite material with an atomized ceramic paste and flying ashes product of the coal combustion. The samples consist of prismatic tiles of 10x5x1 cm, formed ... -
Projection parameters for zirconia-alumina-ceria coatings made by flame spraying from results of numerical simulation
(Journal of Physics: Conference SeriesLondres, Inglaterra, 2017-12-29)A numerical simulation was performed with the software Jets et Poudres, the results let choose the parameters to deposit zirconia-alumina-ceria coatings of different composition on substrates of red clay, by thermal spraying ... -
Silver colloidal nanoparticles by electrochemistry: temporal evaluation and surface plasmon resonance
(Reino Unido, 2021-06-04)The electrochemical technique for obtaining silver nanoparticles has advantages over other methods. For the synthesis, a colloidal silver generator (Colloidal Silver Generator® model 1001) was used, where two electrodes ... -
Structure, mechanical and thermal behaviour of mixtures of polyester resin and dental ceramic waste
(Journal of Physics: Conference SeriesLondres, Reino Unido, 2016-02-12)The tensile strength and bending strength, structure and thermal behaviour of mixtures of polyester resin (P-2000) and powders (ASTM sieve 200, <75μm) of dental ceramic wastes (dentals impressions, alginate and gypsum) was ... -
Tortuosidad y permeabilidad de materiales cerámicos mesoporosos de caolín y diatomita
(Revista UIS IngenieríasBogota , Colombia, 2019-01-01)Se reporta la permeabilidad y tortuosidad de cerámicas mesoporosas de caolines y diatomitas. Las muestras cilíndricas con porcentaje en peso de 60 % diatomita, 30 % caolín y 10 % CaCO3, fueron elaboradas por colado, con ... -
Treatment of subterranean mining water through filtration using ceramic bilayer membranes based of recycled diatomites and kaolin
(Contemporary Engineering SciencesSofia , Bulgaria, 2018-10-22)The treatment of underground wastewater is presented. Used at the San Martín 5 mine in the San Roque sector of the municipality of Sardinata (Norte de SantanderColombia); through the process of filtration through bilayer ... -
Ultrasound irradiation effect on photosynthesis and transpiration of aquatic lirium plants
(International Journal of Radiation BiologyLondres, Reino Unido, 2021-08-23)To find possible causes of the photobaric response decrease in photoacoustic measurements on Aquatic Lirium plants after ultrasonic irradiations reported elsewhere contributing to understanding the effect of ultrasonic ... -
Use of recycled diatomaceous earth from breweries as a means of transporting of macronutrients
(Revista UIS IngenieríasBogota , Colombia, 2019-09-16)Se reporta la caracterización físico-química de tierras diatomáceas recicladas de la industria cervecera, y su uso como medio de transporte de macronutrientes (Nitrógeno, Fósforo, Potasio (NPK)), con el fin de dar una ... -
Use of strontium aluminate powders in the photocatalytic removal of dyes present in water
(Reino Unido, 2021-06-04)The removal of Iris No. 17 fabric dye in water using strontium aluminate powders doped with europium and dysprosium, and the radiation from an ultraviolet C lamp during photocatalysis, is reported. The degradation of the ... -
Water treatment using porous ceramics based on recycled diatomite and kaolin
(Contemporary Engineering SciencesSofia , Bulgaria, 2018-09-06)The treatment of waters using filtering process through sintered porous ceramics based on diatomite and kaolin is reported. The water samples were prepared in low = 50%, medium = 100% and high = 150% concentrations, ... -
Wear and corrosion behaviour of Al2O3-TiO2 coatings produced by flame thermal projection
(Journal of Physics: Conference SeriesBogota , Colombia, 2017-12-29)Evaluated the wear resistance and the coatings corrosion behaviour of Al2O3-TiO2 prepared by thermal spraying by flame on AISI 1020 carbon steel substrates, previously coated with an alloy base Ni. For this purpose, were ...