Process operational windows and industrialization scenarios for assembly or large aluminium structures by robotic friction stir welding

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DOIResolve DOI: http://doi.org/10.5589/q15-004
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TypeArticle
Journal titleCanadian Aeronautics and Space Journal
ISSN1712-7998
Volume60
Issue3
Pages7081; # of pages: 12
AbstractIn this work, friction stir welding (FSW) of 3.18 mm thick AA6061-T6 sheets in the butt- and lap-joint configuration was investigated with the objective of industrializing the process using low-cost serial industrial robots. The influence of weld pitch on the welding defects, microstructure, hardness, and bend performance of butt and lap welds was examined to identify process operational windows for both joint types. In parallel with these trials, a methodology based on kinetostatic analysis was developed to identify and evaluate viable robotized scenarios for FSW. On the basis of the experimental FSW process development results, this methodology was then applied to identify optimized FSW scenarios for the fabrication of large integrated AA6061 structural components with stringer-to-skin and skin-to-skin joints. Candidate workcell layouts are also presented.
Publication date
LanguageEnglish
AffiliationAerospace; National Research Council Canada
Peer reviewedYes
NPARC number21276027
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Record identifier0c96fed3-ad7f-44b5-9c50-fa8416c11ee8
Record created2015-09-15
Record modified2016-05-09
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