Effects of gas flow parameters on droplet spatter features and dynamics during large-scale laser powder bed fusion

• Published in: Materials & design Vol. 225; p. 111534
• Main Authors: Liu, Zixin, Yang, Yongqiang, Han, Changjun, Zhou, Hanxiang, zhou, Heng, Wang, Meng, Liu, Linqing, Wang, Han, Bai, Yuchao, Wang, Di
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2023; Elsevier
• Subjects: Image processing; Laser powder bed fusion; Spatter dynamics; Spatter features; Statistical analysis; Laser powder bed fusion; Statistical analysis; Image processing; Spatter features; Spatter dynamics

[Display omitted] •A novel image processing method and spatters feature extraction algorithm were used to obtain the spatter number, the total spatter area, the spattering angle and the spattering velocity of 8 scenarios.•The droplet spatter features and dynamics exhibited a strong correlation with...