铝合金型材是工业中应用广泛的一类有色金属结构材料，在航空、航天、汽车、机械制造、船舶，建筑，装修。及化学工业中已大量应用。随着近年来科学技术以及工业经济的飞速发展，对铝合金焊接结构件的需求日益增多，使铝合金的焊接性研究也随之深入。铝合金的广泛应用促进了铝合金焊接技术的发展，同时焊接技术的发展又拓展了铝合金的应用领域假山制作 不锈钢铸件 铝箔真空袋 七孔梅花管 hdpe硅芯管 液压钢坝 PVC软管 飞行激光打标机 沥青保温泵，因此铝合金的焊接技术正成为研究的热点之一。
Aluminum alloy profile is a kind of non-ferrous metal structure material widely used in industry, which is used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding, construction and decoration. It has been widely used in chemical industry. In recent years, with the rapid development of aluminum alloy welding technology, as well as the rapid development of aluminum alloy welding technology. The wide application of aluminum alloy promotes the development of aluminum alloy welding technology. At the same time, the development of welding technology expands the application field of aluminum alloy. Therefore, the welding technology of aluminum alloy is becoming one of the research hotspots.