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Thermal Stress Failure of Pure Refractory Oxides
Author(s) -
SCHWARTZ BERNARD
Publication year - 1952
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.1151-2916.1952.tb13058.x
Subject(s) - materials science , composite material , cubic zirconia , thermal expansion , atmospheric temperature range , fracture (geology) , thermal , elasticity (physics) , stress (linguistics) , plasticity , thermodynamics , ceramic , philosophy , physics , linguistics
An investigation was carried out to study the thermal stress failure of three pure, dense refractory oxides, namely alumina, stabilized zirconia, and magnesia. Thermal stress resistances were determined by means of a direct test and by calculation from the physical properties of the material. The properties measured included strength, elasticity, and thermal expansion. All the tests were conducted within the temperature range 25° to 1500°C. For hollow cylindrical specimens, heated uniformly from the inner surface, resistance to fracture was expressed quantitatively by the heat flow at steady state required to cause fracture. This resistance was found to be a function of (1) the physical properties of the material, (2) the temperature range of testing, and (3) the temperature distribution within the specimen.