Paper Title:
Study on the Difference of Amorphous Substances of Coal Ashes
  Abstract

There is much difference among the amorphous substances of different coal ashes, the important basis for their utilization. The micromorphology and content of the amorphous substances were measured by scanning electron microscopy (SEM) and chemical method respectively, and the 28d compressive strength ratio was also used to characterize their contribution to the cement-coal ashes system. The results show that the amorphous substances of BFBC/CFBC ashes are irregular and loose textured, which are significantly different from those of PC fly ashes that are spherical and compact. The content and the pozzolanic activity of the amorphous substance of BFBC ashes are greater than that of PC fly ashes.

  Info
Periodical
Advanced Materials Research (Volumes 287-290)
Chapter
Building Materials
Edited by
Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li
Pages
1189-1192
DOI
10.4028/www.scientific.net/AMR.287-290.1189
Citation
B. Wang, Y. M. Song, "Study on the Difference of Amorphous Substances of Coal Ashes", Advanced Materials Research, Vols. 287-290, pp. 1189-1192, 2011
Online since
July 2011
Export
Price
$32.00
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