Effect of Curing Profile on Kaolin-based Geopolymers
By C. Heah, Hussin Kamarudin, A. Bakri, M. Binhussain, M. Luqman, I. Nizar, C. M. Ruzaidi, Y. Liew. 2011
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Abstract Depending on the processing conditions, geopolymers can exhibit a wide variety of properties and characteristics. Curing profile serves as a crucial parameter in synthesis of geopolymers. In this paper, the influence of curing temperature and curing time on the properties of kaolin-based geopolymer was studied. The samples were separated into several curing conditions; including curing at ambient temperature, 40 °C, 60 °C, 80 °C and 100 °C for 1 day, and up to 3 days. The compressive strength and SEM analysis of geopolymer products were evaluated. Results showed that curing condition has a significant effect on the mechanical properties of kaolin-based geopolymer. Generally, curing at ambient temperature was not feasible, while increase in temperature favored the strength development. In addition, prolonged curing time improved the geopolymerization process, and led to higher strength gain. However, curing at high temperature for a long period of time caused failure of the sample at a later age.
Subfields: Civil and Structural Engineering, Environmental Engineering
View Paper: https://www.semanticscholar.org/paper/9beb184bb99e5856162f42740ca7ba1c686fcc0f
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Citations in the corpus
- Methods of curing geopolymer concrete: A review (2018, background): “, 2007; Kani and Allahverdi, 2009; Rovnanik, 2010; Heah et al., 2011) were carried out for determining the influence of curing conditions on the physical and mechanical properties geopolymer paste and concrete. For near perfect geopolymerisation the curing temperatures were observed between 40°C to ”