In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.

本文测定了燃气用PE80管材热板焊接接头的蠕变柔量，研究了蠕变对焊缝裂尖应力场的影响。

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The microstructure and properties of welded joint of EH40 grade ship steel plate by submerged-arc welding process were analyzed.

对EH40船板钢埋弧焊焊接接头的组织性能进行了试验分析。

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In this paper the effect of strength matching of welded joint on welding residual stress distribution in plate welded joints was studied by an thermal elastoplastic finite element method.

采用热弹塑性有限元方法，对平板对接接头中焊缝金属强度组配对焊接残余应力分布的影响进行了研究。结果表明，对于高组配接头，纵向残余应力的峰值接近焊缝金属的屈服极限，出现在焊缝中心。

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