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EFFECT OF YIELD STRENGTH ON THE BASIC FATIGUE STRENGTH OF WELDED JOINTS
Author(s) -
Ohta A.,
Maeda Y.,
Suzuki N.
Publication year - 1993
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.1993.tb00760.x
Subject(s) - consumables , materials science , ultimate tensile strength , welding , fatigue limit , yield (engineering) , residual stress , high strength steel , joint (building) , composite material , stress (linguistics) , strength of materials , structural engineering , metallurgy , engineering , linguistics , philosophy , marketing , business
— The basic fatigue strength of welded joints in four steels having different yield strengths has been obtained by tests in which the maximum applied stress was held constant and equal to the yield strength, to simulate the tensile residual stress in real large‐scale structures. In the long‐life region superior properties occurred with a decrease in the yield strength. It is therefore suggested that both low yield strength steel, which can be produced by a thermo‐mechanical control process without affecting the tensile strength, and steels or welding consumables which show a low transformation temperature, may have a high fatigue strength.