Weld zones in tailor welded blanks have different mechanical properties than the base metals and thus have significant effects on formability. In this work, flow stresses of weld zones in laser-welded dissimilar dual-phase steels were measured. Strains at the weld zones of notched specimens were measured using the digital image correlation method and the flow stress data were corrected considering the anisotropy. For validation, finite element simulations were performed for the cup drawing process by considering the measured weld zone properties, and the weld line movements were compared with the measurements.

中文翻译：

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激光焊接拼焊板焊接区性能的测量及其在深冲中的应用

拼焊板中的焊接区具有与母材不同的机械性能，因此对可成形性具有重要影响。在这项工作中，测量了激光焊接异种双相钢中焊接区的流动应力。使用数字图像相关方法测量缺口试样焊接区的应变，并考虑各向异性来校正流变应力数据。为了进行验证，考虑到测量的焊接区域属性，对杯形拉拔过程进行了有限元模拟，并将焊接线的运动与测量结果进行了比较。