Effect of heat assisting backing plate in friction stir welding of high strength Al-Li alloy.

Authors :: Alam, Md Parwez
Sinha, Amar Nath
Source :: Energy Sources Part A: Recovery, Utilization & Environmental Effects. 2022, Vol. 44 Issue 2, p2851-2862. 12p.
Publication Year :: 2022
Abstract: Latest generation of Al-Li alloys are considered as a futuristic material for aerospace industries. Friction stir welding process has been emerged as a suitable joining process for these materials. In this paper, a heat-assisted backing plate is proposed for preheating the workpiece to enhance the quality of weld joint in friction stir welding. A heating element is employed just beneath of the welded line to preheating the material. It was found that the tensile strength has increased after the application of preheat in friction stir welding. It was also observed that the tool wear rate reduces by preheating and thus life of tool enhanced. [ABSTRACT FROM AUTHOR]

Subjects :: *FRICTION stir welding
*ALUMINUM-lithium alloys
*JOINING processes
*FRICTION stir processing
*AEROSPACE materials
*MANUFACTURING processes

Language :: English
ISSN :: 15567036
Volume :: 44
Issue :: 2
Database :: Academic Search Index
Journal :: Energy Sources Part A: Recovery, Utilization & Environmental Effects
Publication Type :: Academic Journal
Accession number :: 158287422
Full Text :: https://doi.org/10.1080/15567036.2019.1651793

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