The 2xxx series aluminium alloys are important advanced functional materials due to their high yield strength, good fracture toughness and excellent fatigue properties [1]. Due to the extremely important role… Click to show full abstract
The 2xxx series aluminium alloys are important advanced functional materials due to their high yield strength, good fracture toughness and excellent fatigue properties [1]. Due to the extremely important role that the 2xxx series aluminum alloys play in the aviation industry, much attention has been devoted to understanding their structures and properties [1-2]. Particularly, comprehensive investigations have been made to elucidate the morphological dependence of the precipitates on material composition, thermal treatment history, and impurity elements to optimize the materials performance for designed applications [1-2].
               
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