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Moisture Expansivity of Fired‐Clay Ceramics
Author(s) -
Hall Christopher,
Hoff William D.
Publication year - 2012
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.1551-2916.2012.05109.x
Subject(s) - moisture , materials science , ceramic , power law , composite material , thermodynamics , mathematics , physics , statistics
Long‐term progressive moisture expansion occurs generally in fired‐clay ceramics. A new moisture expansivity property is defined in terms of the (time) 1/4 power‐law model of the kinetics of long‐term moisture expansion. We show how this quantity may be determined and demonstrate its usefulness in relation with manufacture and performance. We draw particular attention to the temperature dependence of the moisture expansivity and associated practical consequences.