Paper Title:
Phase Transformation of Tangshan Ironstone-Tailings at Different Temperatures
  Abstract

The phase transformation of Tangshan ironstone-tailings between 900°C ~1200°C in air was investigated by DTA-TG. XRD and SEM analyses indicated that the ironstone-tailings, sintered at 900° and 1000°C respectively, mainly were composed of α-quartz, anorthite [(Na0.45Ca0.55)(Al1.55Si2.45O8)], tremolite and a little of hematite. For the sample sintered at 1100°C, augite appeared and tremolite disappeared. Fayalite formed in the sample sintered at 1200°C. The two samples both exhibited contraction character in the range of experimental temperature.

  Info
Periodical
Key Engineering Materials (Volumes 368-372)
Edited by
Wei Pan and Jianghong Gong
Pages
1532-1534
DOI
10.4028/www.scientific.net/KEM.368-372.1532
Citation
K. Zhao, J. Z. Yang, Z. H. Huang, M. H. Fang, Y. G. Liu, "Phase Transformation of Tangshan Ironstone-Tailings at Different Temperatures", Key Engineering Materials, Vols. 368-372, pp. 1532-1534, 2008
Online since
February 2008
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