About this Abstract |
Meeting |
6th World Congress on Integrated Computational Materials Engineering (ICME 2022)
|
Symposium
|
6th World Congress on Integrated Computational Materials Engineering (ICME 2022)
|
Presentation Title |
Understanding the Interplay between Orientation, Temperature and Lamellar Thickness of Fully Lamellar Titanium Aluminides: A Crystal Plasticity Finite Element Study |
Author(s) |
Balaji Selvarajou, Quek Siu Sin, Mark Hyunpong Jhon, Raju Ramanujan |
On-Site Speaker (Planned) |
Balaji Selvarajou |
Abstract Scope |
Titanium aluminide (TiAl) based alloys are used in aero engine turbines owing to their high strength to weight ratio at the high temperatures experienced during operation. In this work, we investigate the deformation behaviour of a polysynthetically twinned (PST) TiAl/Ti3Al two-phase alloy using crystal plasticity finite element (CPFE) simulations. The constituent phases are described by a crystal plasticity constitutive model taking into account the slip and twin systems in the respective phases. CPFE simulations are used to establish the structure-property linkages between the orientation of the PST, microstructural variables such as lamella width and domain size and the temperature dependent yield strength, including the yield stress anomaly. |
Proceedings Inclusion? |
Definite: Other |