摘要
用断裂力学观点分析了铸铁补焊的防裂与止裂,提出了具体工艺措施及实例。
The reason in service cracking and recracking after repair welding for the cast iron end pipe is analized. The measures to improve the stress distribution, to apply a reverse prestressing force and to figure out the reasonale repair welding procedure are tested and founded, the cracking on end pipe is repaired successfully.
出处
《焊接》
北大核心
1990年第11期20-22,共3页
Welding & Joining
