Treating weld toes properly can improve the fatigue performance. Ultrasonic impact treatment (UIT) is a more effective and convenient method to enhance the fati
<正>The infrared camera is used to investigate the temperature field of gas metal arc welding.The results show that the temperature distribution of weld pool an
In this paper, the closure-welded joint is studied through experiment after canceling telescopic joint of penstock in the hydropower station at dam toe. The clo