Mechanics & Industry
Volume 16, Number 4, 2015
|Number of page(s)||5|
|Published online||27 April 2015|
Characterization of intergranular stress corrosion cracking behavior of a FSW Al-Cu-Li 2050 nugget
I2M, UMR 5295, Université de Bordeaux, CNRS,
351 Cours de la Libération,
2 I2M, UMR 5295, Arts et Métiers Paris-Tech (Centre de Bordeaux-Talence), Esplanade des Arts et Métiers, 33405 Talence, France
a Corresponding author:
Accepted: 7 January 2015
This study deals with the in service durability of an alloy Al-Cu-Li 2050 friction stir welded. In an aeronautical context, this material could be submitted to mechanical stresses and a corrosive environment. Thus, the aim of this study is to characterize the intergranular stress corrosion cracking (IGSCC) behavior of the 2050 FSW weld nugget. First, a link has been established between several microstructural heterogeneities induced by the welding process and local strain variations, then between these heterogeneities and the initiation and propagation of IGSCC cracks.
Key words: Aluminium alloy / friction stir welding / intergranular stress corrosion
© AFM, EDP Sciences 2015
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