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Hydration Reactions in the System CaO‐SiO 2 ‐CaF 2
Author(s) -
ODLER* IVAN,
ABDULMAULA SAMIR
Publication year - 1987
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1987.tb04850.x
Subject(s) - stoichiometry , doping , fluorine , mineralogy , silicate , phase (matter) , chemistry , calcium silicate hydrate , materials science , analytical chemistry (journal) , chemical engineering , inorganic chemistry , cement , composite material , metallurgy , organic chemistry , optoelectronics , engineering
The phases existing in the system CaO‐SiO 2 ‐CaF 2 were synthesized and their hydraulicity was determined. Out of these only the phase which corresponds to the formula Ca 6–0.5x Si 2 O 10‐x F x exhibited distinct hydraulic properties. The hydration rate of tricalcium silicate doped with CaF 2 declined with increasing degree of doping, while its compressive strength—found at a given degree of hydration—increased. The stoichiometry and specific surface area of the formed hydrates were altered because of the presence of fluorine in the crystalline lattice.