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Experimental investigation on fatigue crack growth performance of Q690D steel butt weld

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Date of Publication:2024-11-29

Journal:Journal of Constructional Steel Research

Volume:224

ISSN No.:0143-974X

Key Words:Butt welding; Crack closure; Crack growth threshold; Fatigue crack closure; Fatigue crack growth rates; Fatigue-crack-growth tests; Fatigue crack propagation; Fatigue cracks; Fatigue damage; Fatigue testing; High-strength steels; Microscopic morphology; Q690d high strength steel; Stress ratio; Threshold-value; Welded steel structures

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