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Dark-field Transmission electron microscopy (DFTEM) results were obtained and presented. The results are discussed with regard to additional microstructural characterisation of the primyra Phase and creep experiments of alloy 2618A. Different methods to determine the volume fractions of precipitate phases are presented.
The influence of heat treatment and creep loading on the microstructure of an Al-Cu-Li alloy was investigated. Especially the formation of different precipitates (T1 and Theta') were characterized and the microstructural changes under different ageing conditions (with and without external strain) were investigated to determine the effect od stress on the ageing process.
The influence of heat treatment and creep loading on the microstructure of an Al-Cu-Li alloy was investigated. Especially the formation of different precipitates (T1 and Theta') were characterized and the microstructural changes under different ageing conditions (with and without external strain) were investigated to determine the effect od stress on the ageing process.