Effect of minor elements on silicate cement clinker

Huang Congyun; Zhang Mingfei; Zhang Meixiang; Long Shizong; Chen Yuankui; Ma Baoguo

doi:10.1007/BF02835044

Journal of Wuhan University of Technology Materials Science Edition ›› 2005, Vol. 20 ›› Issue (3) : 116 -118. DOI: 10.1007/BF02835044

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Effect of minor elements on silicate cement clinker

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Abstract

The effect of rare-earth and HX addition agent on the burn-ability of silicate cement clinker was investigated by orthogonal experiment. The result shows, compared with blank sample, f-CaO of the samples added with rare-earth and HX agent drops by 84.95%, its 3d and 28d comprssive strength enhances by 24.40% and 16.90%, respectively. It was discovered by means of X-ray diffraction and high temperature microscope analysis that sintering temperature of the sample added with rare-earth and HX addition agent is about 1320°C. At the same time, the burning temperature of tricalcium silicate desends and its crystal growth forming-rate increases. Tricalcium silicate content in burning clinker is higher and its crystal is larger.

Keywords

rare-earth / silicate clinker / f-CaO / tricalcium silicate / strength

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Huang Congyun, Zhang Mingfei, Zhang Meixiang, Long Shizong, Chen Yuankui, Ma Baoguo. Effect of minor elements on silicate cement clinker. Journal of Wuhan University of Technology Materials Science Edition, 2005, 20(3): 116-118 DOI:10.1007/BF02835044

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References

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