Engineering Mechanics

International Conference

Proceedings Vol. 9 (2003)


May 11 – 15, 2003, Svratka, Czech Republic
Editors: Jiří Náprstek and Cyril Fischer

Copyright © 2003 Institute of Theoretical and Applied Mechanics, Academy of Sciences of the Czech Republic, v.v.i., Prague

ISBN 80-86246-18-3 (printed, Extended Abstracts)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

list of papers scientific commitee

Crack growth aspects of mixed modes
Brož P., Novotný R.
pages 34 - +8p., full text

To the interpretation of crack growth, it is substantial to estimate the plastic region geometry in front of a crack. Performed here is a study for predicting crack growth direction for mixed-mode I and II loading. It is suggested that under complex loading the crack will extend in the course where the radius of the plastic zone accomplishes a minimum value. There exists satisfactory correspondence between the predicted issues calculated on the basis of introduced criteria and testing data. In the paper presented, for initial mixed modes, the characteristics of propagation phenomena for fatigue cracks are given, in particular failure mechanisms and growth criteria by virtue of various factors.

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All papers were reviewed by members of the scientific committee.

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