Optimization of the technological properties of porcelain tile bodies containing rice straw ash using the design of experiments methodology

This study examines the effects of replacing fluxing and filler materials with rice straw ash (RSA) in manufacturing porcelain stoneware tile, using the design of experiments (DOE) methodology. The results of the characterization were used to obtain statistically significant, valid regression equations, relating the technological properties of the dried and fired test pieces to the raw materials content in the unfired mixtures. The regression models were analysed in relation to the X-ray diffraction and scanning electron microscopy results and used to determine the most appropriate combinations of traditional raw materials and RSA to produce porcelain stoneware tiles with specific technological properties. The studied range of tile body compositions: clay (40 wt%), feldspar (20–50 wt%), feldspathic sand (5–20 wt%), and RSA (0–25 wt%) was shown to be appropriate for porcelain stoneware tile manufacture

• Autores: Gordillo Suárez, Marisol; Delvasto Arjona, Silvio M.; Guzmán, A. Álvaro; Francisca Quereda, V. María; Sánchez, V. Enrique
• Tipo de recurso: Article of journal
• Fecha de publicación: 2016
• Institución: Universidad Autónoma de Occidente
• Repositorio: RED: Repositorio Educativo Digital UAO
• Idioma: eng
• OAI Identifier: oai:red.uao.edu.co:10614/11049
• Acceso en línea: http://hdl.handle.net/10614/11049; https://doi.org/10.1016/j.ceramint.2016.06.184
• Palabra clave: Cascarilla de arroz; Residuos agrícolas; Residuos agrícolas - Propiedades mecánicas; Baldosas; Modelos matemáticos; Propiedades mecánicas - Mechanical properties; Pavements, Tile; Mathematical models; Rice straw ash; Porcelain stoneware tile; Sodium feldspar; Feldspathic sand; Design of experiments
• Rights: openAccess
• License: Derechos Reservados - Universidad Autónoma de Occidente