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Modelling the extraordinary strength of superalloys

This project is now filled.

Supervisors: Peter Brommer (Engineering); potential co-supervisors (dependent on background/interest of candidate): Thomas Hudson (Mathematics), Lukasz Figiel (WMG), James Kermode (Engineering)

The extraordinary strength of superalloys (used e.g. in aeroplane engines) is caused by nanoscale precipitates formed in an ageing process. This process covers timescales from femtoseconds up to seconds and beyond, which poses a formidable modelling challenge. Isolating rare events where atoms actually move from thermal vibrations around their equilibrium position speeds up the simulation to allow studying the precipitate formation process with a view to understanding and potentially improving it. Of particular interest is the robustness of the predicted precipitation pathways to uncertainties in the atomistic model used. This project is co-funded by our industrial partner TWI.

Tiny objects causing giant strength: Precipitate formation in superalloys