SYMPOSIA PAPER Published: 01 January 1982
STP32435S

Low-Cycle Fatigue Behavior of Welded Joints in High-Strength Steels

Source

Low-cycle fatigue tests are carried out on different types of welded joints in structural steels. The low-cycle fatigue strength of welded joints depends on the weld geometry and the weld toe quality. The influence of these parameters and the role of the microstructure on low-cycle fatigue are discussed. For cruciform joints, the weld toe ground increases the low-cycle fatigue strength. The butt joints present a higher fatigue strength, and this fatigue strength increases when the weld reinforcement decreases. Submerged arc welded butt joints (presenting small reinforcement) have the same low-cycle fatigue strength as as-rolled base metal. The test results are expressed as a function of different fatigue notch factors.

Author Information

Lieurade, H-P
Institut de Recherches de la Sidérurgie Française, Saint-Germain-en-Laye, France
Maillard-Salin, C
Institut de Recherches de la Sidérurgie Française, Saint-Germain-en-Laye, France
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Details
Developed by Committee: E08
Pages: 311–336
DOI: 10.1520/STP32435S
ISBN-EB: 978-0-8031-4835-2
ISBN-13: 978-0-8031-0713-7