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Heteroepitaxial Growth of Calcium Silicate Hydrate on Calcium Germanate Hydrate
Author(s) -
Martin Roger I.,
Brown Paul W.
Publication year - 1992
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.1151-2916.1992.tb05626.x
Subject(s) - germanate , hydrate , calcium silicate hydrate , calcium , silicate , calcium silicate , mineralogy , morphology (biology) , seeding , materials science , chemical engineering , chemistry , inorganic chemistry , geology , ion , composite material , metallurgy , cement , thermodynamics , organic chemistry , paleontology , physics , engineering
The hydration of tricalcium silicate at 25°C was accelerated by seeding with 5 wt% tricalcium germanate. Based on heat evolution, seeding resulted in the elimination of the induction period. However, the shape of the hydration peak remained the same. Because tricalcium germanate hydrates first, the microstructure of the calcium silicate hydrate which subsequently forms is influenced by the calcium germanate hydrate morphology. Calcium silicate hydrate formed in the presence of calcium germanate hydrate exhibits the morphology typical of the latter. Acceleration of hydration and morphological variation indicate heteroepitaxial growth.