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Publisher DOI: 10.3390/ma14010064
Title: True strength of ceramic fiber bundles : experiments and simulations
Language: English
Authors: Neckel, Leandro 
Faller, Cristian A. 
Babič, Matej 
Montedo, Oscar R. K. 
Bergmann, Carlos P. 
Janßen, Rolf 
Keywords: alumina fiber;fiber bundle;load sharing;tensile behavior;simulation
Issue Date: 25-Dec-2020
Publisher: Multidisciplinary Digital Publishing Institute
Source: Materials 14 (1): 64 (2021)
Journal or Series Name: Materials 
Abstract (english): 
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.
DOI: 10.15480/882.3233
ISSN: 1996-1944
Other Identifiers: doi: 10.3390/ma14010064
Institute: Keramische Hochleistungswerkstoffe M-9 
Document Type: Article
Funded by: National Council for Scientific and Technological Development (CNPq, Brazil)
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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