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High temperature failure mechanisms in ceramic polycrystals

Author
Evans, A. G.
Published
United States : [publisher not identified], 1983
Springfield, Va.: National Technical Information Service, [approximately 1983]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Blumenthal, W.

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Summary
The high temperature failure of ceramics has been observed to occur by the nucleation, growth and coalescence of cracks. Each process involves diffusive cavity nucleation and growth, either within a damage zone or at microstructural heterogeneities. The specific cavitation and cracking mechanisms pertinent to ceramics are described and available models are presented. Particular emphasis is placed on continuous crack nucleation at microstructural heterogeneities and the crack coalescence process that causes eventual failure. Failure time data are also reviewed and correlated with models.
Report Numbers
DE84006641; LBL-16192; CONF-8404103-1
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: AC03-76SF00098
OSTI Identifier 5277403
Research organization: Lawrence Berkeley Lab., CA (USA).
View MARC record | catkey: 47338654