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Instrumented End Notched Flexure - Crack propagation and process zonemonitoring. Part I: Modelling and analysis
Abstract
Analysis of the three-point bending, End Notched Flexure (ENF), test is presented for exploitation with a new experimental methodology using the backface strain monitoring technique. The model consists oftwo Timoshenko beams joined with a two parameter elastic foundation, to evaluate stress and strain fields in both adherends and the adhesive layer, together with the specimen compliance and energyrelease rate. This model is compared to a simplified case, from which a comprehensive experimental method is proposed for precise monitoring of crack propagation and measurement of interface shearcompliance during the ENF experiment. In addition, simple formulae are proposed for evaluating mode II energy release rate, and possible experimental artefacts due to asymmetric loading conditionsare evidenced.
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- Accepted or Published Version
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- Copyright (2012 Elsevier Ltd.)
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
no. 50,
pages 297 - 309,
ISSN: 0020-7683 - Language:
- English
- Publication year:
- 2013
- Bibliographic description:
- Jumel J., Budzik M., Ben Salem N., Shanahan M.: Instrumented End Notched Flexure - Crack propagation and process zonemonitoring. Part I: Modelling and analysis// INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES. -Vol. 50, nr. iss. 2 (2013), s.297-309
- Verified by:
- Gdańsk University of Technology
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