Healable Al alloys production by Friction Stir Processing

Arseenko, Mariia;Zhao, Lv;Ding, Lipeng;Idrissi, Hosni;Simar, Aude;et.al.
(2019) The 6th International Conference on Scientific and Technical Advances on Friction stir Welding & Processing (FSWP’2019) — Location: Louvain-la-Neuve, Belgium (11.September.2019)

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  • Arseenko, MariiaUCLouvain
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  • Zhao, Lvorcid-logoUCLouvain
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  • Ding, LipengUCLouvain
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  • Idrissi, HosniUCLouvain
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  • Simar, Audeorcid-logoUCLouvain
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Abstract
Aluminium alloys are commonly used in studies related to Friction Stir Welding (FSW) and Processing (FSP), due to their wide variety of applications. FSP provides grain size reduction; intermetallic rounding, size reduction and redistribution; and an overall increase in ductility. Moreover, FSP becomes a popular method for Metal Matrix Composites (MMCs) production, owing to the homogeneous distribution of reinforcement particles and their good interface with the initial matrix. In this work, a healable Al alloy from a base of Al 6063 is produced using FSP. FSP causes a uniform healing particle precipitation (with a size up to 1 μm), as well as the breakage of Fe-rich intermetallics in the nugget zone. This changes damage mechanism, meaning the classical failure source of Al 6063 - Fe-rich intermetallics - remain intact while the healing particles are broken. Further, at the healing stage, a heat treatment is applied to heal the damage.
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Arseenko, M., Zhao, L., Ding, L., Idrissi, H., Eric Maire, Julie Villanova, & Simar, A. (2019). Healable Al alloys production by Friction Stir Processing. The 6th International Conference on Scientific and Technical Advances on Friction stir Welding & Processing (FSWP’2019), Louvain-la-Neuve, Belgium. https://hdl.handle.net/2078.5/123981