2008
DOI: 10.1631/jzus.a0820051
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Microstructure of ferrospheres in fly ashes: SEM, EDX and ESEM analysis

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Cited by 33 publications
(31 citation statements)
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“…An important point to note at this stage is that fly-ashes are essentially defined as micro-sized particles [30]. Seames [31] and Buhre et al [32] have shown that the PM1 ultra fine fraction of fly-ashes -measuring less than 1 µm diameter -represents less than 1 wt % of the total amount of ashes generated by the coal combustion.…”
Section: Discussionmentioning
confidence: 99%
“…An important point to note at this stage is that fly-ashes are essentially defined as micro-sized particles [30]. Seames [31] and Buhre et al [32] have shown that the PM1 ultra fine fraction of fly-ashes -measuring less than 1 µm diameter -represents less than 1 wt % of the total amount of ashes generated by the coal combustion.…”
Section: Discussionmentioning
confidence: 99%
“…Haïder et al [57] evaluó la utilización de ultrasonidos para la disgregación de aglomerados de humo de sílice y su efecto en la…”
Section: Efecto De La Incorporación De Materiales Basados En Sílice Sunclassified
“…After the activation, the SEM analysis shows some unreacted spheres and aluminosilicate gel with the molar ratios (Si/ Al: 1.6-1.8) and (Na/Al: 0.46-0.68) for mortars activated only with NaOH. When the activator contains also waterglass the final product is more compact, with the following molar ratios (Si/Al: 2.7) and (Na/Al: 1.5).Phair and Deventer [57] indicate that the dissolution of Si and Al species from metakaolin is high for pH 12. F. Pacheco-Torgal et al / Construction and Building Materials 22 (2008) Un incremento en la temperatura de curado acelera la cinética de la reacción de geopolimerización ya que favorece la disolución de las especies activas y con ello se puede obtener mejores resistencias mecánicas del material.…”
mentioning
confidence: 99%
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