期刊
JOURNAL OF LASER APPLICATIONS
卷 23, 期 3, 页码 -出版社
AMER INST PHYSICS
DOI: 10.2351/1.3597830
关键词
laser; welding; spatter; droplets; theory; classification
资金
- VINNOVA
- Swedish Governmental Agency for Innovation Systems [2006-00668, 2006-00563]
- Knut and Alice Wallenberg Foundation [KAW 2007.0119]
- Swedish Steel Producers' Association (Jernkontoret) [34012]
Spatter, the ejection of melt from a weld pool, is a major problem whenever it occurs in a welding process. The ejection of droplets from the weld metal results in a weld with underfill, undercuts, craters, blowholes, or blowouts-all of which can have a detrimental effect on the mechanical properties of the weld. This paper presents a systematic description of the different types of spatter phenomena which occur during laser welding. A categorization system is proposed to facilitate the comparison and combination of research findings on spatter. This should allow researchers in this area to act as a more effective team in future. (C) 2011 Laser Institute of America.
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