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Thermal Strains During Firing of a Ceramic Body
Author(s) -
MITOFF STEPHAN P.,
PASK JOSEPH A.
Publication year - 1954
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.1151-2916.1954.tb14017.x
Subject(s) - grog , thermal expansion , materials science , ceramic , composite material , thermal , temperature gradient , mineralogy , thermodynamics , geology , physics , quantum mechanics
The tendency of a ceramic body to crack in firing owing to thermal stress was examined. Use was made of the physical measurement of three factors: (1) thermal gradient as affected by firing rate and thermal reactions, (2) coefficient of thermal expansion at each temperature, and (3) maximum strain, also a function of temperature. Each factor was determined individually during the firing of appropriate samples of a body consisting of 60% kaolin and 40% grog. Plastic flow was noted during the measurement of maximum strain. The effect of all these variables on the development of firing schedules was considered.