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  4. A statistical assessment of the fatigue strength improvement of butt joints by flush grinding
 
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A statistical assessment of the fatigue strength improvement of butt joints by flush grinding

Citation Link: https://doi.org/10.15480/882.8736
Publikationstyp
Journal Article
Date Issued
2023-10
Sprache
English
Author(s)
Braun, Moritz  orcid-logo
Baumgartner, Jörg  
Hofmann, Gloria  
Drebenstedt, Karl  
Bauer, Niklas Michael  
Bakhschi, Hadi  
Kuhlmann, Ulrike  
Institut
Konstruktion und Festigkeit von Schiffen M-10  
TORE-DOI
10.15480/882.8736
TORE-URI
http://hdl.handle.net/11420/14684
Journal
Welding in the world  
Volume
67
Issue
10
Start Page
2345
End Page
2359
Citation
Welding in the World 67 (10): 2345-2359 (2023-10)
Contribution to Conference
International Institute of Welding (2022)  
Publisher DOI
10.1007/s40194-023-01569-5
Scopus ID
2-s2.0-85166305372
Publisher
Springer
Peer Reviewed
true
All major rules and guidelines include fatigue design (FAT) classes for flush ground butt-welded joints. These FAT classes vary between FAT110 and FAT155; however, in the majority of cases, the underlying database and specimen-related details are unclear or unknown. This study evaluates 1003 fatigue test results gathered from various literature sources and tries to relate the fatigue strength improvement to typical specimen types and test conditions. To this goal, statistical methods based on correlation analysis are employed. Next, proposals for updates of rules and guidelines for flush ground butt-welded joints made of steel are established by determining new FAT classes and a suitable slope exponent. In addition, an overview of design standards and recommendations is given and main influencing factors are discussed.
Subjects
Post-weld treatment
Fatigue strength improvement
Weld grinding
Statistical assessment
IIW recommendations
Eurocode 3
DDC Class
620: Engineering
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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