长输管道激光-电弧复合焊接技术研究
摘要
传统的电弧焊工艺由于受到焊接速度和焊层厚度的制约,难以进一步提高焊接施工效率。激光-电弧复合焊将激光和电弧两种热源复合在一起,实现优势互补,为管道施工提供了一种新的焊接方法。激光-电弧复合焊速度快,熔深大,可以显著提高施工效率。国外多家研究机构在试验室内成功实现了管道全位置激光-电弧复合焊,但未能实现工业化应用。光纤激光器的发明为激光-电弧复合焊现场应用提供了可能。初步试验表明,光纤激光-电弧复合焊能够满足管道环焊缝焊接的要求,力学性能满足现行标准要求。
引文
[1]Eboo M.Steen and W M and Clarke J.Arc-augmented laser welding[A].Advanced in welding processes proceedings[C].4th international conference,Harrogate,1978,May 9-11,257-265.
[2]W.M.Steen.Arc augmented laser processing of materials[J].Journal of application physics,,1980,51(11):5636-5641.
[3]马晓丽,华学明,沈甘迪.高效弧焊设备与方法在船舶制造中的应用现状,[J].中国激光,2005,32(11):1571-1576.
[4]Jasnau U,Hoffmann J and Seyffarth P.Nd:YAG laser gas metal arc hybrid welding:a chance for the use of the advantages of laser technology and flexible automation in shipbuilding and steel construction[A].2002International Conference on Robotic Welding,Intelligence and Automation,Shanghai[C].2002,12:9-12.
[2]W.M.Steen.Arc augmented laser processing of materials[J].Journal of application physics,,1980,51(11):5636-5641.
[3]马晓丽,华学明,沈甘迪.高效弧焊设备与方法在船舶制造中的应用现状,[J].中国激光,2005,32(11):1571-1576.
[4]Jasnau U,Hoffmann J and Seyffarth P.Nd:YAG laser gas metal arc hybrid welding:a chance for the use of the advantages of laser technology and flexible automation in shipbuilding and steel construction[A].2002International Conference on Robotic Welding,Intelligence and Automation,Shanghai[C].2002,12:9-12.