Periodic Reporting for period 1 - CADORS (Computer-Aided Design Of Revolutionary Superalloys)
Reporting period: 2015-09-01 to 2016-08-31
- Prediction of dynamic recrystallisation (DRX) of nickel-based superalloys. DRX is a metallurgical phenomenon that can be exploited to better control alloy processing (e.g. forging), and as a result the product quality and its final properties.
- Models linked to the resistance to hydrogen embrittlement (RHE) of nickel-based superalloys, or to their resistance to high temperature oxidation (RHTO); such models can be exploited to design alloys with improved resistance to environmental degradation.
- Prediction of the stability of so-called “high entropy alloys” (HEAs), a new class of materials with extraordinary combinations of properties (strength, density, ductility and corrosion resistance).
In the end, new alloys can been designed:
- New HEAs have been designed, fabricated and tested; some of them display unprecedented combinations of strength and density.
- New superalloys have been designed using the DRX model, with both an optimised behaviour under high temperature processing (e.g. forging) and maximum strength.
- New superalloys can be designed using the RHE or the RHTO models, with optimal resistances to environmental degradation along with excellent mechanical properties.