weld residual stress 焊接残留应力
The distribution of residual stress of weld joints is analyzed.
并分析了焊接接头残余应力的分布规律。
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。
The weld residual stress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。
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