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  4. The influence of the manufacturing process and test boundary conditions on the buckling load of thin-walled cylindrical CFRP shells
 
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The influence of the manufacturing process and test boundary conditions on the buckling load of thin-walled cylindrical CFRP shells

Citation Link: https://doi.org/10.15480/882.4900
Publikationstyp
Journal Article
Date Issued
2023-01-06
Sprache
English
Author(s)
Hartwich, Tobias S.  
Panek, Stefan  orcid-logo
Wilckens, Dirk  
Bock, Matthias  
Krause, Dieter  orcid-logo
Institut
Produktentwicklung und Konstruktionstechnik M-17  
TORE-DOI
10.15480/882.4900
TORE-URI
http://hdl.handle.net/11420/14697
Journal
Composite structures  
Volume
308
Article Number
116674
Citation
Composite Structures 308: 116674 (2023-03-15)
Publisher DOI
10.1016/j.compstruct.2023.116674
Scopus ID
2-s2.0-85146051467
Publisher
Elsevier
Thin-walled cylindrical CFRP shells tend to buckle under compressive loads. The experimental buckling load is significantly lower than the theoretical one. The reason for this are various kinds of imperfections which are partially caused by the manufacturing process and the test conditions. A major challenge in the design of these shells is the lack of experimental data. Additionally, the quality of test results is rarely critically reviewed in the validation of design approaches. In this paper, the influence of two different manufacturing processes on the geometric imperfections and the influence of three different test rigs on the buckling load are investigated in an experimental campaign with 12 cylindrical CFRP shells. Furthermore, the influence of varying the test rig boundary conditions is analysed.
Subjects
Buckling
Composite shells
Imperfections
Test rig
DDC Class
600: Technik
Funding(s)
Zuverlässigkeitsbasierte Auslegung unversteifter CFK-Zylinder- schalen unter Material- und Strukturunsicherheiten  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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