焊接试样
In manufacturing the sample for tension test, submerged-arc welded ( SAW) spiral seam pipe is likely to have plastic deformation as opposed to the deformation in its forming process, thus causing the Bauschinger Effect.
螺旋缝埋弧焊管在拉伸试样的制作时会产生和焊管成型过程中变形相反的塑性变形,从而引发包申格效应。
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