Browsing Tecnología Cerámica – GITEC by Author "d0ab25696c12a7e94a910bc7647be528"
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Biocompatibility of bismuth silicate coatings deposited on 316L stainless steel by sol-gel process
Bautista-Ruiz, Jorge; Olaya-Flórez, Jhon Jairo; Aperador Chaparro, William Arnulfo (Revista Facultad de IngenieríaColombia, 2017-09-25)Bismuth silicate, (BSO) thin films have been fabricated by sol–gel process. The stable sol was synthesized by using bismuth nitrate (III) pentahydrate and tetraethyl orthosilicate (TEOS). The films were deposited by ... -
Effect of forming technique BixSiyOz coatings obtained by solgel and supported on 316L stainless steel
Bautista-Ruiz, Jorge; Aperador Chaparro, William Arnulfo; Olaya Flórez, J (Journal of Physics: Conference SeriesEstados Unidos, 2016-02-12)BixSiyOz type coatings via sol-gel synthesized from bismuth nitrate pentahydrate, and tetraethyl orthosilicate as precursors; glacial acetic acid and 2-ethoxyethanol as solvents, and ethanolamine as complexing. The coatings ... -
Effect of nitrogen flow ratio on microstructure, mechanical and tribological properties of TiWSiN x thin film deposited by magnetron co-sputtering
Olaya, Jhon; Macias Ramirez, Hugo Alejandro; Aperador Chaparro, William Arnulfo; Yate, L; L.E, Coy (Applied Surface ScienceBogota , Colombia, 2018-10-31)We investigate the deposition of TiWSiNx thin films by means of the method of reactive magnetron co-sputtering, setting the nitrogen flow ratios N2/(Ar + N2) at 4.8%, 9.1%,16.7 and 33.3%. The crystallographic structure of ... -
Effect of Temperature on the Tribological Properties of Hafnium Carbonitrides Coatings
Aperador Chaparro, William Arnulfo; Bautista-Ruiz, Jorge; Sanchez Molina, Jorge (Metals, 2023-04-21)For industrial processes in which refractory metals are necessary, hafnium carbonitride exhibits excellent performance due to its high thermal conductivity and resistance to oxidation. In this study, hafnium carbonitride ... -
Evaluation of micro-abrasion-corrosion on SiO2-TiO2-ZrO2 coatings synthesized by the sol-gel method
Bautista-Ruiz, Jorge; Aperador Chaparro, William Arnulfo; Caballero Gómez, J (Journal of Physics: Conference SeriesEstados Unidos, 2016-02-12)The medical science and the engineering, work to improve the materials used in the manufacture of joint implants, since they have a direct impact on the quality of people life. The surgical interventions are increasing ... -
Geopolymers Based on a Mixture of Steel Slag and Fly Ash, Activated with Rice Husks and Reinforced with Guadua angustifolia Fibers
Aperador Chaparro, William Arnulfo; Bautista-Ruiz, Jorge; Sanchez Molina, Jorge (Sustainability (Switzerland), 2023-08-15)At present, the conservation of the environment represents an objective that everyone wants to achieve. The construction industry has influenced the advancement of alternative materials that comply with sustainable ... -
Sol-Gel Synthesis of Titanium/Bismuth Oxide Coatings for Biocompatibility Applications on 316L Stainless Steel
Aperador Chaparro, William Arnulfo; Bautista-Ruiz, Jorge; Caicedo, J. C. (Indian Journal of Science and TechnologyNueva Delhi, 2018-05)Objectives: This study was carried out in order to establish the potential offered by the sol-gel method to obtain Titanium/ Bismuth oxide coatings on 316L Stainless Steel (SS) substrates in biocompatibility applications. ... -
Tribocorrosion-Resistant Surface for TiO2 as a Function of Load and Sliding Speed
Bautista-Ruiz, Jorge; Aperador Chaparro, William Arnulfo; Sanchez Molina, Jorge (Lubricants, 2023-02-21)The applications projected in the coatings are in implants with the lower extremities since they require a great load capacity and are essential for walking. Therefore, the use of devices or implants is necessary for ...