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True strength of ceramic fiber bundles : experiments and simulations
Citation Link: https://doi.org/10.15480/882.3233
Publikationstyp
Journal Article
Date Issued
2021-01-01
Sprache
English
TORE-DOI
TORE-URI
Journal
Volume
14
Issue
1
Article Number
64
Citation
Materials 14 (1): 64 (2021)
Publisher DOI
Scopus ID
Publisher
Multidisciplinary Digital Publishing Institute
A study on the strength of ceramic fiber bundles based on experimental and computational procedures is presented. Tests were performed on single filaments and bundles composed of two fibers with different nominal fiber counts. A method based on fiber rupture signals was developed to estimate the amount of filament rupture during the test. Through this method, the fiber bundle true strength was determined and its variation with the initial fiber count observed. By using different load-sharing models and the single filament data as input parameter, simulations were also developed to verify this behavior. Through different approaches between experiments and simulations, it was noted that the fiber bundle true strength increased with the fiber count. Moreover, a variation of the fibers’ final proportion in the bundles relative to the initial amount was verified in both approaches. Finally, discussions on the influence of different load-sharing models on the results are presented.
Subjects
alumina fiber
fiber bundle
load sharing
tensile behavior
simulation
DDC Class
540: Chemie
More Funding Information
National Council for Scientific and Technological Development (CNPq, Brazil)
Publication version
publishedVersion
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