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    Fabrication of AA6061/316 composites via a double pin FSP tool

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    Publication date
    2022-09
    Author
    Liu, S.
    Paidar, M.
    Mehrez, S.
    Ojo, O.O.
    Cooke, Kavian O.
    Wang, Y.
    Keyword
    316 stainless steel
    AA6061 aluminium alloy
    Friction stir processing
    Aluminium matrix composite
    Corrosion
    Mechanical properties
    Rights
    (c) 2022 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (https://creativecommons.org/licenses/by/4.0/)
    Peer-Reviewed
    Yes
    Open Access status
    openAccess
    
    Metadata
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    Abstract
    In this study, a new double pin tool was utilized for the development of AA6061/316 stainless steel reinforced composite by employing the friction stir processing technique for the first time. The microstructure, hardness, tensile, tribological, and corrosion behaviors of the fabricated composites were investigated and comparative assessments were made with the results obtained from the single-pin tool. The results showed that particle-matrix reaction did not occur in the composites irrespective of the nature of the tool profile. The double-pin tool outstandingly boosted the grain refinement (7.01–5.78 μm), particle fragmentation, and distribution within the Al matrix due to the additional pin-assisted plastic deformation, high straining, dynamic recrystallization, and Zener pinning effects. The double-pin tool improved the microhardness (127–141 HV), tensile strength (162–233 MPa), and corrosion resistance of the composite with respect to the single-pin tool counterparts. The replacement of the single pin tool with a double pin tool diminished the specific wear rate (0.38–0.22 mm3/Nm) of the composite. The double-pin tool has a favourable impact on the structure, mechanical, and corrosion behaviours of the AA6061/316 stainless steel reinforced composite. It is thus recommended for composite development.
    URI
    http://hdl.handle.net/10454/19147
    Version
    Published version
    Citation
    Liu S, Paidar M, Mehrez S et al (2022) Fabrication of AA6061/316 composites via a double pin FSP tool. Journal Of Materials Research And Technology. 20: 2826-2840.
    Link to publisher’s version
    https://doi.org/10.1016/j.jmrt.2022.07.156
    Type
    Article
    Collections
    Engineering and Informatics Publications

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