The microstructure,subregion micro-hardness distribution and microwidth of flash welded HAZ of cold rolled low carbon sheets having different composition (steel A and B) were investigated.

• 研究了两种成分的钢(钢A和钢B)的冷轧低碳钢板闪光焊接HAZ的显微组织、焊接热影响区(HAZ)各区段的显微硬度分布和显微宽度。