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12 - Aeronautical, Mechanical, Chemical and Manufacturing Engineering
University of Greenwich
The effect of secondary arm growth on thermoelectric magnetohydrodynamics
This article examines the influence of external magnetic fields on the microstructure of alloys, in a fully coupled, 3D, flow, EM field and crystal growth simulation. In particular, the unexplored phenomenon of thermoelectric current interaction with the field to induce solute micro-convections at the scale of secondary and tertiary arms, offers a deterministic control for altering microstructure, producing materials with specific properties. This research led to EPSRC EP/K011413/1, (Disruptive Solidification Microstructures via Thermoelectric Control, £279k) in collaboration with the Diamond UK Synchrotron facility and Manchester University (Contact: peter.lee@manchester.ac.uk), which aims to observe this effect in situ, in real time.
