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CHARACTERIZATION OF CERAMIC COMPOSITE WASTE OF GRANITE, MARBLE AND CAULIM FOR PRODUCTION OF COATING PLATES

By J. L. Sales, C. R. S. Morais, L. M. R. Lima, J. L. Araújo and J. C. B. Cibalde

Abstract

Abstract. The mining industry generates large amounts of waste resulting in a very strong environmental impact. Its reuse in ceramic matrix composites are used as coating for floors that have high strength properties with low porosity due to the addition of a structuring polyester resin. This perspective, this work aims at the use of waste generated in the exploration and kaolin processing industries, and solid waste from the cutting of ornamental marble and granite, studying their properties in anticipation of production of coating plates. The residues were benefited by using the process of dry grinding in mill gauges and passed through sieve 0.074 mm ( No. 200 ABNT). Were performed on composites testing technology ( water absorption, apparent porosity, bulk density and flexural strength) and microstructural ( Scanning Electron Microscopy- SEM). The results showed that the composites showed water absorption ≤ 0.5 having no direct relationship with the porosity, which showed strength within the required standards ( ABNT 13,816) for coating plates. Variations in composition ( resin / residue) showed that composites with higher strength and increased amount of waste resin showed less porous structure, a fact which can be attributed to a better adherence of these residues to the polymer resin and a process of mixing the components more efficient, showing the viability of its production having demonstrated satisfactory properties

Topics: Key-words, Solid waste, composite resin, coating plates
Year: 2016
OAI identifier: oai:CiteSeerX.psu:10.1.1.950.8952
Provided by: CiteSeerX
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