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Evaluation of Oven and Microwave Drying of Ceramic Material with Adition of Quartzito to Form a Composite
Abstract:
This study aims to assess the stage of drying ceramic composite through kinetic curves of drying , to evaluate the drying time and shrinkage of the material during the process carried out in an oven at 50 oC and microwave at 10 % of maximum power 700 W. For this study, compositions with addition of “São Tomé” stone and clay in a 1:4 mass ratio were prepared and this composite was compared with the samples fabricated only with clay. To evaluate the structure resulting from the drying computed microtomography analysis was performed. The results indicated that the addition of stone “São Tomé” contributed to reducing the processing time by decreasing the conformation water. The use of microwave drying process as favored gain strength of the product due to the lower fraction of pores, and also ensure a shorter processing time due to the increased rate of drying.
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Pages:
325-330
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Online since:
August 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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