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Grinding methods effects on the synthesis of Potassium-Sodium Niobate powders by oxide mixing

Efectos de los métodos de molienda en la síntesis de polvos de Niobato de Sodio y Potasio por mezcla de óxidos

dc.creatorQuintero, María C.
dc.creatorRincón, Miryam
dc.creatorOsorio-Guillén, Jorge M.
dc.creatorLópez, Diana
dc.creatorLondoño-Badillo, Fernando Andrés
dc.date2019-09-20
dc.date.accessioned2021-03-18T21:12:26Z
dc.date.available2021-03-18T21:12:26Z
dc.identifierhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/1269
dc.identifier10.22430/22565337.1269
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/11789
dc.descriptionPiezoelectric materials are widely used in electronic devices and, traditionally, various lead-based materials have been implemented in such applications. However, because of the damage caused by lead, other materials with similar characteristics that do not cause a negative impact on human health and the environment have been developed. A material with those characteristics is potassium-sodium niobite K0.5Na0.5 Nbo3. In this study, we investigate the thermogravimetric, structural, and microstructural properties of powders of such system obtained through oxide mixing with the aim of establishing the effect and efficiency of grinding (using a horizontal and a planetary ball mill grinder) on the production of the final material. It was determined that horizontal grinding and calcination at 900°C create the optimal conditions for obtaining K0.5Na0.5 Nbo3 powders, by oxide mixing, with the adequate structure and microstructure to continue the densification and/or doping processes.en-US
dc.descriptionLos materiales piezoeléctricos son ampliamente utilizados en dispositivos electrónicos. Tradicionalmente, para tales aplicaciones, se han utilizado diversos materiales a base de plomo; sin embargo, debido al daño causado por este elemento, se han desarrollado materias primas con características similares que no causen un impacto negativo a la sociedad o al medio ambiente. Un material con estas características es el niobato de potasio y sodio K0.5Na0.5 Nbo3. En este artículo, se realizaron análisis termogravimétricos, estructurales y microestructurales para los polvos del sistema K0.5Na0.5 Nbo3 obtenidos mediante mezcla de óxido, con el objetivo de determinar el efecto y la eficiencia de la molienda utilizando molinos de bolas, planetario y horizontal en la etapa de mezcla de los reactivos, para la producción del polvo final. Se determinó que el uso de la molienda horizontal y la calcinación a 900 °C crean las condiciones óptimas para obtener polvos  con una estructura y microestructura adecuadas para continuar los procesos de densificación y/o dopaje.es-ES
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dc.languageeng
dc.publisherInstituto Tecnológico Metropolitano (ITM)en-US
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/1269/1330
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/1269/1442
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/1269/1457
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dc.rightsCopyright (c) 2019 TecnoLógicasen-US
dc.rightshttp://creativecommons.org/licenses/by-nc-sa/4.0en-US
dc.sourceTecnoLógicas; Vol. 22 No. 46 (2019); 15-23en-US
dc.sourceTecnoLógicas; Vol. 22 Núm. 46 (2019); 15-23es-ES
dc.source2256-5337
dc.source0123-7799
dc.subjectPotassium-sodium Niobateen-US
dc.subjectoxide mixtureen-US
dc.subjectlead-freeen-US
dc.subjectNiobato de sodio y potasioes-ES
dc.subjectmezcla de óxidoses-ES
dc.subjectlibre de plomoes-ES
dc.titleGrinding methods effects on the synthesis of Potassium-Sodium Niobate powders by oxide mixingen-US
dc.titleEfectos de los métodos de molienda en la síntesis de polvos de Niobato de Sodio y Potasio por mezcla de óxidoses-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeResearch Papersen-US
dc.typeArtículos de investigaciónes-ES


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