Electrical steels are iron-silicon alloys (typically 3.2% silicon) that are used in electrical generators, transformers and end use devices such as motors which are important for the global economy to function. They are polycrystalline and careful refinement of the grain structure is essential for optimisation of properties for applications. However, little is currently known about the impact of grain boundary properties such as orientation difference, grain boundary shape, grain boundary chemistry and the presence of precipitates on magnetic properties.
In this project you will use theoretical models (both classical potentials and density functional theory) to model the structure and properties of grain boundaries in magnetic steels. Cogent Power, a partner in this project, will provide industrial input as well as a pathway to test predictions and deliver improvements in materials.