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Statistical analysis of sub-zero temperature effects on fatigue strength of welded joints
Citation Link: https://doi.org/10.15480/882.4147
Publikationstyp
Journal Article
Date Issued
2022-01
Sprache
English
Author(s)
TORE-DOI
Journal
Volume
66
Issue
1
Start Page
159
End Page
172
Citation
Welding in the World 66 (1): 159-172 (2022)
Publisher DOI
Scopus ID
Publisher
Springer
Ships and offshore structures in Arctic environments are exposed to severe environmental actions and sub-zero temperatures. Thus, the design of such structures has to account for the Arctic environment and must be cost-efficient at the same time. A vital part of the design process is to ensure that fatigue-induced failure does not occur in the lifetime of the structure. While effects of high temperatures on material behavior are well covered in international standards and guidelines, there is no comprehensive guidance for sub-zero temperature fatigue strength assessment. Additionally, stress-life (S–N) test data of welded joints at sub-zero temperatures is particularly scarce. Hence, this study presents an extensive review of recent test results of various weld details tested in the range of − 50 to 20 °C. This data could build the basis for future considerations of temperature effects in fatigue design guidelines and recommendations. For this purpose, the fatigue test results are submitted to a rigorous statistically assessment—including a summary of the limitations of current design guidelines with respect to sub-zero temperature effects.
Subjects
Arctic conditions
Ductile–brittle transition
Fatigue testing
Fatigue transition temperature
Sub-zero temperatures
Temperature dependence of fatigue curves
DDC Class
600: Technik
Funding(s)
More Funding Information
The work was performed within the research project ESM-50 “Fatigue of welded structures at sub-zero temperatures,” funded by the German Research Association of the Working Group of the Iron- and Metal-processing Industry e.V. as part of the Donors’ Association for the Promotion of Sciences and Humanities in Germany under project number AVIF-No. A 301 and by the German Federal Ministry for Economic Affairs and Energy (BMWi) in the framework of MarTERA ERA-NET Cofound scheme (MarTERA – FATICE (03SX465B)).
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