Results shows that penning in the weakest region of welded joint may strengthen welded toe obviously, and substantially improve ductility and strengthen of weldment.

结果表明：锤击处理可明显强化焊接接头，特别是随焊锤击能够明显强化焊趾，提高焊件的强度和塑性。

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For the full development of beam ductility, different kinds of anchorage of beam reinforcements in the joint core and groove welded connction on longitudinal main beam b…

为了使梁的延性充分发挥，试验研究了梁内主筋在节点核芯区的不同的锚固方案以及装配式节点中梁内主筋的坡口焊焊接方法。

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The result shows that this method can increase not only thetensile strength but also the ductility of the alloy 2091 welded joint.

研究表明，对铝锂合金接头进行分级固溶时效处理、可以有效提高强度，改善塑性。

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