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Non-steady state cracking in ceramic matrix compositesA micromechanics analytical model based on the consistent shear lag theory is developed for predicting the failure modes in a fiber-reinforced unidirectional ceramic matrix composite. The model accounts for the relatively large matrix stiffness. The fiber and matrix stresses are established as functions of the applied stress, crack geometry, and most importantly, the microstructural properties of the constituents. From the predicted stress, the mode of failure is established based on the point stress criterion. The role of the microstructural properties on the failure mode and ultimate strength is assessed.
Document ID
19900040028
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Dharani, L. R.
(Missouri Univ. Rolla, MO, United States)
Chai, L.
(Missouri-Rolla, University Rolla, United States)
Date Acquired
August 14, 2013
Publication Date
October 1, 1989
Publication Information
Publication: Ceramic Engineering and Science Proceedings
Volume: 10
ISSN: 0196-6219
Subject Category
Composite Materials
Accession Number
90A27083
Distribution Limits
Public
Copyright
Other

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