SYMPOSIA PAPER Published: 01 January 1994
STP12788S

Determination of Defect Distributions for Use in Failure Theories of Load Bearing Ceramics

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Probabilistic failure theories have been developed for predicting the structural reliability of complex components subjected to conditions of multiaxial stress. Embodied in these theories are material failure characteristics which describe the statistical variation of defects within the volume and over the surface of the material. In this paper a method is presented for analysing the strength data. It is shown how the respective volume and surface defect distributions can be analysed to yield the strength parameters required by the various probabilistic multiaxial failure stress theories.

Author Information

Margetson, J
Defence Research Consultancy Limited, Aylesbury, Bucks, U.K.
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Details
Developed by Committee: C28
Pages: 280–288
DOI: 10.1520/STP12788S
ISBN-EB: 978-0-8031-5268-7
ISBN-13: 978-0-8031-1864-5