Microstructure, mechanical properties, and corrosion of friction stir welded Al 5456

RW Fonda, PS Pao, HN Jones, CR Feng, Brian Connolly, Alison Davenport

Research output: Contribution to journalArticle

54 Citations (Scopus)


Friction stir welds in Al 5456 were analyzed to determine their microstructure, mechanical properties, and corrosion behavior as a function of position across the transverse cross-section of the weld. The microstructural evolution that occurred in each weld-affected region was correlated to the properties of those regions to determine the microstructural basis for the observed tensile, fatigue, and corrosion properties. In particular, the effects of weld-induced deformation recovery (both in terms of reduced dislocation density and its implications on solute content and precipitation), grain growth, and precipitate evolutions will be discussed. Published by Elsevier B.V.
Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalMaterials Science and Engineering A
Issue number1-2
Publication statusPublished - 1 Aug 2009


  • Friction stir welding
  • Fatigue
  • Aluminum
  • Corrosion
  • Microstructure


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