24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-5.6.3

THE STATIC STRENGTH ANALYSIS OF FRICTION STIR WELDED STIFFENED PANELS FOR PRIMARY FUSELAGE STRUCTURE

A. Murphy, F. Lynch, M. Price, P. Wang
School of Aeronautical Engineering, Queen’s University Belfast, Belfast, N. Ireland

Keywords: friction stir welding, stiffened panels, crippling analysis, finite element analysis

The introduction of friction stir welding as an alternative joining process to riveting in the manufacture of primary aircraft structure has the potential to realise reductions in both manufacturing costs and structural weight. This paper reports on the work undertaken to develop and validate analysis procedures for the crippling failure of welded skin-stringer sub-components.

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