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Strength Distributions of SiC Ceramics After Oxidation and Oxidation Under Load
Author(s) -
EASLER T. E.,
BRADT R. C.,
TRESSLER R. E.
Publication year - 1981
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.1151-2916.1981.tb15896.x
Subject(s) - materials science , ceramic , composite material , transient (computer programming) , degradation (telecommunications) , electronic engineering , computer science , engineering , operating system
The room‐temperature strength distributions of a sintered and a hot‐pressed SiC were examined as‐machined, after oxidation at 1370°C, and after oxidation under load at 1370°C. The strengths were observed to be dependent on both the duration of oxidation and the magnitude of the applied load. Processes resulting in both strengthening and weakening behavior were observed to occur, at times simultaneously within the same strength distribution. This dynamic situation indicates that the strength‐controlling flaw populations are highly transient in nature.