摘要
采用 4kW的YAG固体激光器 ,利用激光切割 焊接 热处理组合工艺对热轧酸洗线上硅钢卷板拼接进行了试验研究 ,以解决高牌号硅钢难焊的问题。对Hi B钢进行了组合工艺试验 ,论证了该方案的可行性 ,探索了在不同工艺规范条件下焊缝成形、接头机械性能和金相组织的变化情况 ,得出了最佳工艺参数 ,通过了在线生产试验。
To solve the difficulty of high silicon steel welding on the hot rolled sheet pickling line,new joining technology composed of laser cutting,laser welding and laser heat treating by a 4kW YAG laser has been presented.After testing on Hi B steel,this paper has explored the effects of welding parameters on the joint mechanical properties,profile and microstructure,and then optimized technological parameters.The study has proved feasibility of the presented method which has succeeded in industrial on line production testing.
出处
《激光技术》
CAS
CSCD
北大核心
2004年第1期16-19,共4页
Laser Technology
