In situ X-ray imaging of melt pool dynamics in underwater arc welding

• Published in: Materials & design Vol. 179; p. 107899
• Main Authors: Xu, Changsheng, Guo, Ning, Zhang, Xin, Jiang, Haiyue, Chen, Hao, Feng, Jicai
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 05.10.2019; Elsevier
• Subjects: Bubble evolution; In situ X-ray imaging; Melt pool dynamics; Ultrasonic vibration; Underwater wet welding; In situ X-ray imaging; Bubble evolution; Underwater wet welding; Ultrasonic vibration; Melt pool dynamics

The dynamic behavior of the underwater melt pool was firstly in-situ observed with the X-ray transmission method. A method for quantitatively characterizing the melt pool stability was pioneered. Comparing with conventional melt pool composing metal liquid, the pool was filled with bubbles in underw...