Evaluation of precipitation reaction in 2024 Al–Cu alloy through ultrasonic parameters

► The sharp acceleration in the velocities in region A is due to the formation and growth of Cu–Mg co-cluster (GPB zone) and other intermediate phases. ► The maximum in velocities at 10 h is mainly due to higher volume fraction of partially coherent S′(Al 2CuMg) precipitate in association with the n...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2011-05, Vol.528 (12), p.4152-4158
1. Verfasser:	Muthu Kumaran, S.
Format:	Artikel
Sprache:	eng
Schlagworte:	2024 Al-alloys Aging Aluminum base alloys Applied sciences Coarsening Copper Cross-disciplinary physics: materials science rheology Elastic constants Elasticity. Plasticity Exact sciences and technology Materials science Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Microstructure Nanostructure Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Phases Physics Precipitates Precipitation Ultrasonic attenuation Ultrasonic velocity
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