journal article·2020-08

Effect of weld seam orientation and welding process on fatigue fracture behaviors of HSLA steel weld joints

Younghune Kim, Woonbong Hwang

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Abstract

Abstract Welded steel structures can be exposed to high dynamic forces and failure typically occurring at the weakest zone within a few (less than 102) cycles. In order to investigate low-cycle fatigue fracture in weld joints of high-strength low-alloy (HSLA) steels, we have studied the fatigue properties in different weld seam orientations and welding processes. The fatigue performance showed that with transverse welding, fatigue lives at high strains (2%) were approximately seven times higher than with diagonal welding, and, for laser welded seams, fatigue lives were approximately two times higher than those for the plasma arc welded seams.
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Research context

OpenAlex topics: Fatigue and fracture mechanics · Welding Techniques and Residual Stresses · Microstructure and Mechanical Properties of Steels

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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