NDLI: Experimental Investigation of Friction Stir Seal Welding of Tube-Tubesheet Joints

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Fadi, A. Al-Badour Merah, Nesar Shuaib, Abdelrahman Bazoune, Abdelaziz
Copyright Year	2013
Abstract	To ensure heat exchanger tube-tubesheet joints tightness, industrial standards may recommend performing a combination of roller expansion and seal welding, using conventional fusion welding processes. Solid state friction stir welding (FSW) has several advantages over the conventional fusion welding but has not yet proven its usefulness in seal and strength welding of heat exchanger tube-tubesheet joints where the available space is very limited and weld pass is of a relatively complex contour. In this work, a newly designed tool and procedure are applied to friction stir seal weld (FSSW) tube-tubesheet joints. The effects of process conditions such as welding speed and tool offset on dependent process parameters including welding loads and joint quality are investigated on a 600-series aluminum three-tube test cell. The results revealed that the quality of the seal weld of tube-tubesheet joints is affected by the preceding parameters at different levels.
Sponsorship	Pressure Vessels and Piping Division Nondestructive Evaluation Engineering Division
File Format	PDF
ISBN	9780791855713
DOI	10.1115/PVP2013-97762
Volume Number	Volume 6B: Materials and Fabrication
Conference Proceedings	ASME 2013 Pressure Vessels and Piping Conference
Language	English
Publisher Date	2013-07-14
Publisher Place	Paris, France
Access Restriction	Subscribed
Subject Keyword	Heat exchangers Friction Welding Rollers Aluminum Stress
Content Type	Text
Resource Type	Article

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