Improving the service life of welded structures is a key goal in the energy, transportation, heavy manufacturing, and defense industries. Decreasing or delaying fatigue crack initiation can add years of service and reduce costs significantly for an ongoing operation.
EWI recently conducted an early-stage feasibility study to assess friction surface processing, a new technique for enhancing weld fatigue performance. The results of this work are discussed in Fatigue Performance of Hybrid FCAW-Friction Surfaced Welds, a new paper by EWI associates Drew Shipley, Tom McGaughy, and Michael Eff.
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