But the welded joints can be pullled, bent and cold rolled without cracks formed on the bonding layer, so as the molten regions are small and distributed as isolated islands.

• 只要细小的熔化区孤立间断地分布在结合面上,焊接的接头能被拉伸、弯曲和冷轧,在结合层中无裂纹形成。