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首页> 外文期刊>Journal of Materials Processing Technology >Assessment of residual stress of welded structural steel plates with or without post weld rolling using the contour method and neutron diffraction
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Assessment of residual stress of welded structural steel plates with or without post weld rolling using the contour method and neutron diffraction

机译：轮廓法和中子衍射法评估带或不带焊后轧制的结构钢焊接板的残余应力

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摘要

The post-welding rolling technique was used to modify the welding residual stress profile of butt joints of S355 structural steel. Two different residual stress measurement techniques were used: contour method and neutron diffraction. A good agreement between the results of both measurement techniques was found, illustrating the capability of the contour method to provide data otherwise available only using costly neutron and synchrotron radiation. The effect of post-weld roller tensioning on residual stress consisted in a substantial change in residual stress profile, with the large tensile stresses along the weld seam becoming compressive.
机译：焊后轧制技术用于改变S355结构钢对接接头的焊接残余应力分布。使用了两种不同的残余应力测量技术：轮廓法和中子衍射。在两种测量技术的结果之间找到了很好的一致性，说明了轮廓法提供数据的能力，否则只能使用昂贵的中子辐射和同步加速器辐射才能获得数据。焊后辊张紧对残余应力的影响在于残余应力分布的显着变化，沿焊缝的大拉应力变成压缩应力。

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