Thermal decomposition of tricalcium silicate hydrate

Yoshihiko Okada, Hideki Ishida, Takeshi Mitsuda

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Nuclear magnetic resonance examination confirms the existence of dimer silicate anions in C3SH1.5, suggesting the possible composition Ca6(Si2O7)(OH)4. Upon being heated, C3SH1.5 dehydrates at 520-550 °C with a sharp endothermy and decomposes to CaO plus a calciochondrodite-like phase, which on further heating dissociates, with a gradual weight loss, to α′L-C2S with CaO at 800 °C.

Original languageEnglish
Pages (from-to)2277-2282
Number of pages6
JournalJournal of the American Ceramic Society
Issue number9
Publication statusPublished - 1994 Sep

ASJC Scopus subject areas

  • Ceramics and Composites


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