The influence of assembly friction stir weld location on wing panel static strength

A. Murphy; T. Ekmekyapar; D. Quinn; M. Özakça; K. Poston; G. Moore; J. Niblock

doi:10.1016/j.tws.2013.11.004

The influence of assembly friction stir weld location on wing panel static strength

A. Murphy, T. Ekmekyapar, D. Quinn, M. Özakça, K. Poston, G. Moore, J. Niblock

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

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Abstract

Finite Element simulations and mechanical tests are undertaken to assess the impact of weld joint location on stiffened panel static strength. An upper wing cover panel, with a manufacturing process of welding multiple near-net-shape multi-stiffener extrusions with a final net-shape machining phase is investigated. The 7000 series aluminium alloy extrusions and skin bay longitudinal friction stir butt welds are examined. Geometric imperfections exhibit the greatest influence on panel collapse, thus for static strength design the selection of weld joint location should minimise imperfection generation. Moreover the analysis demonstrates limited impact on panel collapse strength when an optimised welding process is employed.

Original language	English
Pages (from-to)	56-64
Number of pages	9
Journal	Thin-Walled Structures
Volume	76
DOIs	https://doi.org/10.1016/j.tws.2013.11.004
Publication status	Published - 01 Mar 2014

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10.1016/j.tws.2013.11.004

The influence of assembly friction stir weld location on wing panel static strength
NOTICE: this is the author’s version of a work that was accepted for publication in Thin-Walled Structures. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication.
Accepted author manuscript, 12.5 MB

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title = "The influence of assembly friction stir weld location on wing panel static strength",

abstract = "Finite Element simulations and mechanical tests are undertaken to assess the impact of weld joint location on stiffened panel static strength. An upper wing cover panel, with a manufacturing process of welding multiple near-net-shape multi-stiffener extrusions with a final net-shape machining phase is investigated. The 7000 series aluminium alloy extrusions and skin bay longitudinal friction stir butt welds are examined. Geometric imperfections exhibit the greatest influence on panel collapse, thus for static strength design the selection of weld joint location should minimise imperfection generation. Moreover the analysis demonstrates limited impact on panel collapse strength when an optimised welding process is employed.",

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AU - Özakça, M.

AU - Poston, K.

AU - Moore, G.

AU - Niblock, J.

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N2 - Finite Element simulations and mechanical tests are undertaken to assess the impact of weld joint location on stiffened panel static strength. An upper wing cover panel, with a manufacturing process of welding multiple near-net-shape multi-stiffener extrusions with a final net-shape machining phase is investigated. The 7000 series aluminium alloy extrusions and skin bay longitudinal friction stir butt welds are examined. Geometric imperfections exhibit the greatest influence on panel collapse, thus for static strength design the selection of weld joint location should minimise imperfection generation. Moreover the analysis demonstrates limited impact on panel collapse strength when an optimised welding process is employed.

AB - Finite Element simulations and mechanical tests are undertaken to assess the impact of weld joint location on stiffened panel static strength. An upper wing cover panel, with a manufacturing process of welding multiple near-net-shape multi-stiffener extrusions with a final net-shape machining phase is investigated. The 7000 series aluminium alloy extrusions and skin bay longitudinal friction stir butt welds are examined. Geometric imperfections exhibit the greatest influence on panel collapse, thus for static strength design the selection of weld joint location should minimise imperfection generation. Moreover the analysis demonstrates limited impact on panel collapse strength when an optimised welding process is employed.

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The influence of assembly friction stir weld location on wing panel static strength

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The influence of assembly friction stir weld location on wing panel static strength

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