Hoop residual stress es in the weld vicinity are tensile in both inner and outer surfaces.

焊缝及附近的环向残余应力在内、外表面均为拉应力。

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Hoop residual stress es in the weld vicinity are tensile in both inner and outer surfaces.

焊缝及附近的环向残余应力在内、外表面均为拉应力。

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