scholarly journals Enhancement and Thickness Effect of Fatigue Strength in Steel Joints with Improved Weld

1992 ◽  
Vol 1992 (172) ◽  
pp. 617-626 ◽  
Author(s):  
Atsushi Seto ◽  
Isao Soya ◽  
Yoichi Tanaka
Keyword(s):  
Fatigue Strength ◽  
Thickness Effect ◽  
Steel Joints

scholarly journals Re-Evaluation of Fatigue Thickness Effect Based on Fatigue Test Database

2020 ◽  
Vol 8 (11) ◽  
pp. 895 ◽  
Author(s):  
Wangwen Zhao ◽  
Wei-Ting Hsu
Keyword(s):  
Fatigue Strength ◽  
Oil And Gas ◽  
Offshore Wind ◽  
Thickness Effect ◽  
Research Programmes ◽  
Offshore Oil And Gas ◽  
Corrosive Environments ◽  
Steel Joints ◽  
Test Database ◽  
Current Standards

This paper reassesses the detrimental effect on fatigue performance of welded structural steel joints due to thicker sections based on an extensive fatigue strength test database, taken from research programmes worldwide over the past half century, mostly from the offshore oil and gas and marine industries. The data entries in the database were evaluated to ensure its data integrity. Statistical analyses on these S-N data were performed with or without the thickness correction at different exposure levels to a corrosive environment, in order to re-evaluate the suitability of current standards in regard to the thickness effect. The study concentrated on T-joints, transverse butt-welded joints and tubular joints, as these are the most commonly used joint types in the offshore wind industry. The analysis indicates a general agreement of fatigue strength with the thickness effects in current standards for in-air conditions, but great conservatism for corrosive environments. In addition, the statistical models determined in this study can be used for a broader range of studies, such as probabilistic fatigue analysis.

scholarly journals Thickness Effect on Fatigue Strength of Welded Joint Improved by HFMI

2016 ◽  
Vol 34 (4) ◽  
pp. 249-259 ◽  
Author(s):  
Toshiaki IWATA ◽  
Toshio NIWA ◽  
Yoshihisa TANAKA ◽  
Takahiro ANDO ◽  
Yosuke ANAI
Keyword(s):  
Fatigue Strength ◽  
Welded Joint ◽  
Thickness Effect

scholarly journals Effect of Upset Burr on Torsional Fatigue Strength of Friction Welded Carbon Steel Joints

2001 ◽  
Vol 50 (9Appendix) ◽  
pp. 166-171
Author(s):  
Yoshiaki YAMAMOTO ◽  
Takashi KISHIMOTO ◽  
Hiizu OCHI ◽  
Koichi OGAWA ◽  
Hiroshi YAMAGUCHI ◽  
...  
Keyword(s):  
Fatigue Strength ◽  
Carbon Steel ◽  
Torsional Fatigue ◽  
Steel Joints
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