Factors Affecting Fatigue Strength of Welded Joints
Factors affecting metal fatigue strength, such as stress concentration, section size, medium, etc., also affect the welding fatigue strength. In addition, some characteristics of the welded structure itself, such as changes in properties near the joint and welding residual stress, may also affect the fatigue strength of the welded structure. Finding out the specific effects of these factors is conducive to improving the fatigue strength of the welded structure, The influence of these factors is discussed below.
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