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Research Fellows Directory

Jiawei Mi

Professor Jiawei Mi

Research Fellow

Organisation

University of Hull

Research summary

My research mainly concerns the development of advanced metallic alloys, intermetallics, metallic glasses and composites; and the related novel solidification, spray deposition, thermo-mechanical processing, advanced ultrasound processing and pulse magnetic field technologies for transportation, aerospace and energy industries.

This Royal Society Industry Fellowship project has been focusing on studying the highly dynamic behaviours of grain or phase nucleation and growth in the presence of an ultrasonic wave and/or a pulse magnetic field. Ultrafast synchrotron X-ray diffraction, imaging and tomography techniques have been used to study in-situ the atomic structures of metal alloys during liquid-to-solid phase transformation process, and the evolutions of nano/microstructures when an ultrasonic wave or pulse magnetic field is applied into the solidification processes.

These in-situ, real-time studies were carried out in a number of speciality synchrotron X-ray beamlines in the world during 2011-2015, including the Advanced Photon Source, Argonne National Laboratory, USA; the Diamond Light Source, UK; the Swiss Light Source, the Paul Scherrer Institute, Switzerland.

Complementary to the experimental investigations, Phase Field Crystal and Phase Field methods are used to model the evolutions of atomic structures at nanometre scale and the evolutions of complex dendritic structures in mesoscle.

Currently, practical approaches to apply those scientific findings for the benefits of manufacturing high quality metal components are underway.

Other research projects funded by EPSRC, STFC, Royal Academic of Engineering, and industrial sponsors can be found in the web link below:

http://www2.hull.ac.uk/science/engineering-new/our_staff/academic/jiawei_mi.aspx

Grants awarded

Development of a Sonication Solidification Technology for Ni Superalloys

Scheme: Industry Fellowship

Dates: Feb 2012 - Jan 2016

Value: £97,771

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