Crack onset assessment near the sharp material inclusion tip by means of modified maximum tangential stress criterion

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675411020180105.pdf(1.56 MB)
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2017-10-01
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Gruppo Italiano Frattura
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Abstract
In the case of particle reinforced composites, where the particles are in a form of sharp material inclusions, singular stress concentration exists on each tip of each inclusion. This is due to the geometric and material discontinuities between matrix and particle. These points of stress concentration are susceptible of crack initiation and thus often responsible for failure of the whole structure. The modified maximum tangential stress criterion is employed in order to predict crack onset conditions.
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Keywords
Sharp Material Inclusion, Singular and Non-singular Stress Terms, Generalized Fracture Mechanics
Citation
Frattura ed Integrita Strutturale. 2017, vol. 11, issue 42, p. 66-73.
https://www.fracturae.com/index.php/fis/article/view/IGF-ESIS.42.08
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Peer-reviewed
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en
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Creative Commons Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
DOI
10.3221/IGF-ESIS.42.08
URI
http://hdl.handle.net/11012/180644
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