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This is a Literature Review study (also classified as: In Vitro Study).

August 26, 2025Open Access

Fatigue life evaluation of root failure in welded joints based on displacement around the weld root

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The proposed method improves fatigue life predictions by using displacement around the weld root, leading to better reliability.
Analysis of 398 test results reveals a strong correlation between normalized fatigue damage and fatigue life in welded specimens.
Using a linear-elastic finite element model, displacement was accurately evaluated 1 mm from the weld root, enabling effective analysis.
This approach provides a physically interpretable method applicable to various welded joint geometries, addressing conventional limitations.

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This analysis demonstrates a new method for assessing fatigue life in welded joints, suggesting improved accuracy in complex geometries.

Pradana et al. (2025) studied this question.

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