Effect of CuO on the formation mechanism of calcium sulphoaluminate

被引：0
|
作者：
Suhua Ma
Xiaodong Shen
Yeping Huang
Baiqian Zhong
机构：
[1] Nanjing University of Technology,College of Materials Science and Engineering
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2008年 / 23卷
关键词：
copper oxide; calcium sulphoaluminate; formation mechanism;
D O I：
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学科分类号：
摘要：
Calcium sulphoaluminate was prepared with chemical reagents in this paper. The formation mechanism of calcium sulphoaluminate and effect of CuO on the formation mechanism of calcium sulphoaluminate were investigated by the chemical analysis, X-ray diffraction (XRD), and differential scanning calorimetry (DSC). The results show that there are three ways in the formation of calcium sulphoaluminate. CuO can promote the decomposition of calcium carbonate and decrease the formation temperature of calcium sulphoaluminate[graphic not available: see fulltext]. When the burning temperature is below 1 000 °C, the addition of CuO can promote the formation of calcium sulphoaluminate, while CuO can not favor the formation of calcium sulphoaluminate above 1 000 °C.
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页码：518 / 521
页数：3
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