NDLI: A study on the plasma-augmented laser welding for small-diameter STS tubes

Content Provider	Springer Nature Link
Author	Yoon, S. H. Hwang, J. R. Na, S. J.
Copyright Year	2006
Abstract	Laser welding is an effective method to join small, thin parts, such as small stainless steel tubes. Laser power can be precisely adjusted to melt only a small part of the tubes, and the heat-affected zone can be controlled accurately. But laser welding systems are generally expensive; therefore, the welding speed is restricted by the maximal laser power capacity. Also, the laser welding method is very sensitive to the joint clearance and tolerance, and this makes laser welding difficult to obtain consistent welding qualities over time. Recently, solutions of these problems are being tried by introducing another heat source, such as a plasma arc. Additional plasma arc energy can make the overall welding speed faster, and sensitivity to the joint clearance can be reduced by the plasma arc. Plasma-augmented laser welding (PALW) is one of this kind of welding method, where a plasma arc is used to augment the laser welding. In this study, plasma arc welding (PAW) was added to the existing single-laser heat source to join the conventional V-grooved butt joint of thin stainless steel strips for manufacturing small-diameter stainless steel tubes. The effect of the welding speed enhancement was investigated by experiments and simulations. Finite element (FE) thermal analysis considering multiple reflections of a laser beam in the V-groove was conducted and verified.
Starting Page	1134
Ending Page	1143
Page Count	10
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	32
Issue Number	11-12
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-04-11
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plasma-augmented laser welding Plasma arc welding Laser welding STS tube Small-diameter tube Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics Industrial and Production Engineering
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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