Combining mixture design of experiments with phase diagrams in the evaluation of structural ceramics containing foundry by-products
authors Coronado, M; Segadaes, AM; Andres, A
nationality International
journal APPLIED CLAY SCIENCE
author keywords Recycling; Structural ceramics; Mixture design of experiments; Foundry sand; Waelz slag; Phase diagrams
keywords TRIAXIAL PORCELAIN BODIES; INDUSTRIAL; WASTES; BRICKS; OPTIMIZATION; TILES; SAND
abstract This work compares the effects of the incorporation of foundry by-products (foundry sand dust and Waelz slag) on the technological properties of three different ceramic products fabricated with different clays and fired at different temperatures: wall bricks (850 degrees C), roof tiles (950 degrees C) and face bricks (1050 degrees C). To this aim, the mixture design of experiments (M-DoE) methodology was used to define the minimum number of mixtures necessary to model and predict the technological properties (water absorption, flexural strength, open porosity, linear firing shrinkage, weight loss and apparent density) in terms of raw materials contents: clay, foundry sand dust and Waelz slag. The results obtained were interpreted in terms of the chemical and mineralogical compositions of the final products, which showed the importance of combining the M-DoE methodology with the phase equilibrium predictions to better understand the development of the fired products final properties. (C) 2014 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0169-1317
year published 2014
volume 101
beginning page 390
ending page 400
digital object identifier (doi) 10.1016/j.clay.2014.05.021
web of science category Chemistry, Physical; Materials Science, Multidisciplinary; Mineralogy
subject category Chemistry; Materials Science; Mineralogy
unique article identifier WOS:000345807700053
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journal analysis (jcr 2017):
journal impact factor 3.641
5 year journal impact factor 3.616
category normalized journal impact factor percentile 75.255
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