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What is Fracture Toughness in API X52 Welds about?

This study evaluates the fracture-toughness and fatigue crack growth rates of the longitudinal weld in an API X52 steel pipeline, using nonstandard curved specimens. The findings indicate that the low fracture-toughness is due to elements that promote brittle fracture and intrinsic porosity, which facilitates crack propagation. The research highlights the need for further investigation into the mechanical properties of seam welds in API 5L X52 pipelines, particularly in the transversal direction.

Author

toyita0127

Language

EN