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Perspectives on APT Characterisation of Materials for Nuclear Energy Applications

Tuesday, March 21, 2023

Increasingly, the microscopy technique atom probe tomography (APT) is underpinning materials research across different stages in the nuclear fission/fusion energy cycle, including: optimizing processing routes for new materials, further understanding atomic scale mechanisms degrading reactor components subjected to a combination of high temperatures, corrosive media and irradiation, and investigating the suitability of materials for the storage of radioactive waste.

This presentation will briefly introduce a variety of research themes undertaken at the newly established Nuclear Materials Atom Probe (NuMAP) Facility at the University of Oxford, including: hydrogen pick-up in zirconium alloys for fuel cladding, the clustering of transmuted atoms in tungsten fusion reactor components, stress corrosion cracking in stainless steel, and the embrittling effects of irradiation on reactor pressure vessel steels. In particular, it will highlight the invaluable atomic-scale materials insights provided by APT.

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About the presenter:

Dr. Michael Moody
Professor of Materials
Oxford University

Michael Moody undertook his undergraduate studies at the University of Adelaide and completed his PhD in Applied Science at University of South Australia. After a postdoc at Tulane University, he returned to Australia to take up a position in the Electron Microscope Unit at the University of Sydney, where he was first introduced to Atom Probe Tomography. Since 2012, he has been Head of the Atom Probe Group at the University of Oxford and a Tutor and Fellow of Trinity College. The Oxford Atom Probe Group currently leads and supports research into a wide range of materials topics. The group has active interests in all aspects of atom probe research and places a significant emphasis on developing advanced techniques and applications. Michael was made a Fellow of the International Field Emission Society in 2020.