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Phase compatibility in the system CaOSiO2Al2O3Fe2O3SO3 referred to sulphoaluminate belite cement clinker

✍ Scribed by S. Sahu; J. Majling

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
353 KB
Volume
23
Category
Article
ISSN
0008-8846

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✦ Synopsis

The individual subsystems of the basic five component oxide system CaO-SiO2-AI203-Fe203-SO 3 are analysed for their subsolidus phase relationship. The study is confined to the portion of the system in which C2S, the key mineralogical component of belite clinker is present. As a result eighteen equilibrium phase assemblages, each containing five phases relevant to belite clinkers were identified.

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Relationship between raw mixture and min
Relationship between raw mixture and mineralogical composition of sulphoaluminate belite clinkers in the system CaOSiO2Al2O3Fe2O3SO3
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The mineralogical (phase) composition of sulphoaluminate belite cement clinkers was calculated using phase compatibility data of the relevant portion of the five component oxide system CaO-SiO2-A1203-Fe203-SO 3 and was plotted in the plane of three component raw mix. In result a phase fields map (PF

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## Tobermorite formation was studied in the system C; C3S-S-A-N-H in suspension at 180°C. Tobermorites forw~d were ~vestigated by the molybdate method and by ='AI and ~Si MAS NMR with a purpose to evaluate the influence of aluminum and sodium ions on the changes of secondary arrangements of basic