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冷金属过渡连接技术可数字化协调送丝运动和熔滴过渡,通过焊丝回抽帮助熔滴脱离焊丝,在异种金属焊接领域中具有独特的优势。阐述了铝-钢、镁-钢、铝-钛、镁-钛、铜-钛、镁-铜、铝-铜、铝-镁等异种金属冷金属过渡技术的发展及研究进展,指出界面反应机制、金属间化合物层、接头质量的控制方法、焊接新材料等是需要研究的重点和方向。
Cold-metal transitional connection technology digitally coordinates wire feed movement and droplet transfer, helps droplet detachment wire through wiredrawing, and has unique advantages in dissimilar metal welding. The development and research progress of the cold metal transitional technologies of dissimilar metals such as aluminum-steel, magnesium-steel, aluminum-titanium, magnesium-titanium, copper-titanium, magnesium-copper, aluminum-copper and aluminum-magnesium are described. The interface reaction mechanism , Intermetallic compound layer, joint quality control methods, welding of new materials is the need to study the focus and direction.