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Investigation of the forming of tailor welded blanks and the mechanism of weld line movement
Author(s): 
Pages: 123-128
Year: Issue:  z1
Journal: JOURNAL OF PLASTICITY ENGINEERING

Keyword:  拼焊冲压成形焊缝移动;
Abstract: 拼焊板冲压成形机理很复杂,该文以横向和纵向焊缝U形件及盒形件为例,主要采用数值模拟的方法,从压边圈的类型及其压边力的大小和分布、焊缝的位置和方向、应力应变的分布等角度进行分析,从简单的横向和纵向焊缝U形件出发,研究盒形件拼焊板金属流动和焊缝移动机制.研究分析了横向焊缝移动和纵向焊缝移动原因和移动趋向;分析了盒形件的底部、裙边和侧壁焊缝与U形件焊缝移动异同,并结合压边力、焊缝的原始位置等因素研究分析了盒形件的底部、裙边和侧壁上的焊缝移动的原因和规律.
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