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Title: Influence of curing age on microstructure in barium titanate - Portland cement composites
Authors: R. Rianyoi
R. Potong
N. Jaitanong
A. Chaipanich
Keywords: Engineering
Materials Science
Issue Date: 28-Jul-2011
Abstract: The objective of this study was to find out the influence of curing age on microstructure in barium titanate - Portland cement composites. Barium titanate, BaTiO3 (BT) particles was mixed with Portland Cement (PC) and BT content of 50% by volume to produce the composites. All composites were cured in chamber of 60°C and 98% relative humidity for 1, 2, 3, and 7 days. Thereafter, scanning electron microscope (SEM) was used to examine the interfacial zone between cement and BT ceramics. SEM observation indicated that the BT-PC composite cured for 7 days clearly showed calcium silicate hydrate gel (an essential hydration product of Portland cement) surrounding the BT particles and has lower porosity. In BT-PC composite cured for 1 day, the gel can be seen but of less quantity and has higher porosity which clearly affected the interfacial zone. © (2011) Trans Tech Publications, Switzerland.
ISSN: 10139826
Appears in Collections:CMUL: Journal Articles

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