About this Abstract |
Meeting |
2020 TMS Annual Meeting & Exhibition
|
Symposium
|
Materials Design Approaches and Experiences V
|
Presentation Title |
Microstructural Design for Advanced Aluminium and Magnesium Alloys |
Author(s) |
Jian-Feng Nie |
On-Site Speaker (Planned) |
Jian-Feng Nie |
Abstract Scope |
Precipitation hardened aluminium and magnesium alloys often contain plate-shaped precipitates of intermediate or equilibrium phases that form on rational planes of the matrix phase. While it is commonly accepted that a higher number density of such precipitates is critical for achieving higher strength, the potential effect of the shape of such precipitates on strengthening is still not widely recognized. Micro-alloying additions can change the shape and/or distribution of these precipitate plates, but the precise roles of the micro-alloying elements in the formation of such precipitate plates are again a subject of debate. In this talk, the latest understanding of such issues will be presented. The emphasis will be placed on the formation mechanism of the precipitate plates, solute segregation at precipitate-matrix interfaces and planar defects, and the development of strengthening models that account for the real particle shape. |
Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |