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Research Article

Dissimilar titanium-aluminum skin-stringer joints by FSW: process mechanics and performance

, ORCID Icon, ORCID Icon & ORCID Icon
Pages 471-484 | Received 27 Jul 2022, Accepted 08 Aug 2022, Published online: 28 Aug 2022
 

ABSTRACT

Ever since its inception, friction stir weldingFootnote1 (FSW) is being validated by scientific investigations as an effective substitution for fusion-based conventional joining technologies. One of the main strengths of FSW is the possibility to produce dissimilar joints, even using materials extremely different in terms of thermal and mechanical properties. The goal of the present research is to investigate the feasibility of both Al-Ti skin-stringer and reversed Ti-Al skin-stringer joints, highlighting the effect of joint configuration and main process parameters on material flow and joint mechanical properties. During the investigation, the essentiality of the proper heat input through balancing

GRAPHICAL ABSTRACT

Disclosure statement

No potential conflict of interest was reported by the author(s).

Notes

1. Friction stir welding, FSW; Revolutionary pitch, RP; Tool Revolution, TR; Feed, F; Specific thermal contribution, STC; Friction stir welded, FSWed; Scanning electron microscopy, SEM; Energy-dispersive X-ray spectroscopy, EDS; Dynamic recrystallization, DRX.

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