Paper Title:
Effect of the Particle Size of the Grog on the Properties and Microstructure of Bricks
  Abstract

Crushed fired brick waste, known as grog, screened at two different particle size, 840 (20 mesh) and 420 μm (80 mesh), was used in mixtures with clayey body to make typical red ceramics for bricks. The effect of the grog addition up to 20 wt.% on the properties and microstructure of bricks fired at 700oC was evaluated. The results indicated that both the particle size and the amount of grog addition changed the fired properties of the clayey body. Additions above 5 wt.% of grog, with a coarser particle size, decreased the mechanical strength of both the dry body and the fired ceramic pieces. By contrast, grog with a finer particle size may be used up to 10% wt. without deteriorate the properties and corresponding microstructure of the clayey body.

  Info
Periodical
Materials Science Forum (Volumes 530-531)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
438-443
DOI
10.4028/www.scientific.net/MSF.530-531.438
Citation
C. M. F. Vieira, S. N. Monteiro, "Effect of the Particle Size of the Grog on the Properties and Microstructure of Bricks", Materials Science Forum, Vols. 530-531, pp. 438-443, 2006
Online since
November 2006
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Price
$32.00
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