Journal
JOURNAL OF MATERIALS SCIENCE
Volume 43, Issue 22, Pages 7141-7147Publisher
SPRINGER
DOI: 10.1007/s10853-008-3028-9
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Funding
- Specialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20050698034]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry [200555]
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The hydration mechanism and mineral phase structures by waterglass activation of granulated blast furnace slag (GBFS) are investigated in detail by means of XRD and FTIR. The results show that the network structures of glassy phases are disintegrated and there is not any new material phase formed in the early stage of hydration processes. With evolution of hydration, the polycondensation reaction takes place between [SiO4](4-) and [AlO4](5-) species and some new mineral phases are produced. A hydration mechanism for the formation of geopolymer by waterglass activation of GBFS is proposed in detail.
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