Melting Temperature of a Selected Area in CaO-MgO-Al2O3-SiO2 Slag System

Ji Fang Xu; Jie Yu Zhang; Chang Jie; Lei Tang; Kuo Chih Chou

doi:10.4028/www.scientific.net/AMR.194-196.169

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 194-196Melting Temperature of a Selected Area in...

Melting Temperature of a Selected Area in CaO-MgO-Al₂O₃-SiO₂ Slag System

Abstract:

The characteristic temperatures of the selected quaternary CaO-MgO-Al₂O₃-SiO₂ slags have been measured by the hemisphere method. The effects of the basicity value and Al₂O₃ content studied. The results indicated that basicity and the Al₂O₃ content had obvious influence on the characteristic temperatures of the selected slags. All of the softening temperature, the hemisphere temperature and the flow temperature decrease with the increasing of the basicity value. Under the same content of CaO, the characteristic temperature decreased sharply by adding Al₂O₃. The solidus and liquidus temperatures computed from the FactSage database were compared with the present experimental observations as well as the melting temperature information of the DSC measurements. The results also indicated that it is possible to get a reasonable idea of the solidus temperature from the hemisphere temperature while the flow temperature would indicate the liquidus temperature.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

169-174

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.169

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Online since:

February 2011

Authors:

Ji Fang Xu, Jie Yu Zhang, Chang Jie, Lei Tang, Kuo Chih Chou

Keywords:

Alumina, Basicity, Melting Temperature, Slag

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