scholarly journals Influence of residual stress on fatigue strength of non-load-carrying fillet weld joints.

1991 ◽  
Vol 9 (1) ◽  
pp. 36-42 ◽  
Author(s):  
Kazuyoshi Matsuoka ◽  
Ichihiko Takahashi ◽  
Tokuharu Yoshii ◽  
Eisuke Fujii
Keyword(s):  
Residual Stress ◽  
Fatigue Strength ◽  
Fillet Weld ◽  
Weld Joints ◽  
Load Carrying

scholarly journals Influence of plate thickness and heat input on fatigue strength of non-load-carrying fillet weld joints

1990 ◽  
Vol 1990 (168) ◽  
pp. 507-517 ◽  
Author(s):  
Kazuyoshi Matsuoka ◽  
Ichihiko Takahashi ◽  
Tokuharu Yoshii ◽  
Hiroo Iidaka ◽  
Eisuke Fujii
Keyword(s):  
Fatigue Strength ◽  
Heat Input ◽  
Plate Thickness ◽  
Fillet Weld ◽  
Weld Joints ◽  
Load Carrying

Effect of residual stress on fatigue strength of non-load-carrying fillet welded joints

1991 ◽  
Vol 5 (12) ◽  
pp. 936-943
Author(s):  
K Matsuoka ◽  
I Takahashi ◽  
T Yoshii ◽  
E Fujii
Keyword(s):  
Residual Stress ◽  
Fatigue Strength ◽  
Welded Joints ◽  
Load Carrying

Effects of Residual Stress on Fatigue Strength of Small-Diameter Welded Pipe Joint

1997 ◽  
Vol 119 (4) ◽  
pp. 428-434 ◽  
Author(s):  
T. Yamashita ◽  
T. Hattori ◽  
K. Iida ◽  
T. Nomoto ◽  
M. Sato
Keyword(s):  
Residual Stress ◽  
Fatigue Strength ◽  
Residual Stresses ◽  
Large Diameter ◽  
Small Diameter ◽  
Local Stress ◽  
Element Analysis ◽  
Fillet Weld ◽  
Pipe Joints ◽  
Welded Pipe

Bending fatigue tests were conducted to investigate the fatigue strength of small-diameter socket welded pipe joints. In most cases of large-diameter socket joints, a fatigue crack started from the root of the fillet weld, though the stress amplitude at the root was smaller than that at the toe of the fillet weld. Additionally, the fatigue strength was affected by the weld bead sequence. The residual stress was considered to be one of the important parameters governing fatigue strength; therefore, its effects were investigated. In several types of pipe joints, the local stress and residual stress distributions were calculated by finite element analysis. The residual stresses were compressive at the toe and tensile at the root of the socket welded joints. Based on these results, the effects of residual stresses on the fatigue strength are discussed for small-diameter welded pipe joints in the present work.

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