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Thermally induced residual stress

Submitted by Yumlembam2 on

The residual stress that I am talking about is mostly tensile and thermally induced. The stress is observed on the surface only upto a very small depth in the thickness direction. Is this kind of stress significantly damaging from a fatigue perspective?

Also, what would be effect of the residual on the strength?

Is it possible that some sort stress relaxation could occur and the residual gets dissipated?