About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
|
Symposium
|
Phase Transformations and Microstructural Evolution
|
Presentation Title |
Through-thickness Precipitate Distribution and Microstructural Evolution in Hot Rolled 7075 Aluminum Alloy |
Author(s) |
Damilola Alewi, Paul Rottmann, Haluk Karaca, Kirk Lemmen, Heather Murdoch, Daniel Magagnosc |
On-Site Speaker (Planned) |
Damilola Alewi |
Abstract Scope |
Optimal strength of 7xxx aluminum alloys is contingent on the development of micro- and nanometer scale precipitates through thermomechanical processes. Due to complex interactions relating to defects and recrystallization, the size, shape, and distribution of precipitates is difficult to predict for hot rolled ingots. In this study, representative samples were taken at various depths from the surface of a 32 mm thick hot rolled AA7075 plate with the aim of understanding the influence of the precipitate distribution evolution on the through-thickness mechanical property of this alloy. The size and distribution of the microscale (>50 nm) and nanoscale (<20 nm) precipitate phases were quantified with a combination of large area scanning electron microscopy (SEM) and small angle x-ray scattering technique (SAXS). These results were then correlated with through-thickness mechanical properties obtained through microscale tensile testing. |
Proceedings Inclusion? |
Planned: |
Keywords |
Aluminum, Mechanical Properties, Other |