Fixed-term: The funds for this post are available for 1 years in the first instance.
This Research Assistant/Associate position is one of three linked positions, all supported by the European Research Council (ERC) Advanced Grant 'Extending the range of the glassy state: Exploring structure and property limits in metallic glasses' held by Professor AL Greer. Metallic glasses (MGs), which are among the most actively studied metallic materials, have attractive mechanical properties. The as-cast state of MGs can be altered by thermomechanical treatments: rejuvenation (to higher energy) offers improved plasticity (perhaps even desirable work-hardening); relaxation (to lower energy) offers access to ultrastable states. The ExtendGlass project aims to widen the range of glassy states and to explore the consequences of unusual states, particularly for mechanical properties and for phase stability/crystallization.
Molecular dynamics (MD) has been extensively used to characterize the structure of MGs. The Research Associate will work on two projects, each initially using embedded-atom-method potentials. The first project will focus on identifying the local events within an MG that relate to rejuvenation and other effects induced by thermal cycling and other treatments. It will also aim to characterize, at the atomic level, the anisotropy induced by anelastic strain and viscous flow. The second sub-project is to model crystal growth in metallic liquids and glasses. For pure metals, MD has been shown to make predictions of growth rates that are in at best partial agreement with experiment, but fundamental mechanisms are poorly understood and the transition from partitionless crystal growth to glass formation needs to be explored. The findings will be relevant for understanding the limits of the glassy states attainable in metallic alloys. The project will benefit from access to supercomputer facilities in Cambridge and from integration into wider atomistic simulation and modelling research in the Department of Materials Science & Metallurgy and elsewhere in Cambridge. In particular, there will be collaboration with the research group of Professor James Elliott in Materials Science & Metallurgy, and links with the Lennard-Jones Centre and with the EPSRC Centre for Doctoral Training in Computational Methods for Materials Science. Applicants for this post should have established expertise in atomistic modelling techniques; expert knowledge of data extraction, and of display of atomic configurations is essential. Knowledge of related simulation techniques would be desirable
Applicants must have a strong academic research record in materials science, physics, or a closely related discipline. They should have, or expect soon to gain, a PhD in materials science, physics, or a closely related discipline. For more details on the requirements for this post, and on the application process, please see Further Particulars below.
To apply online for this vacancy, please click on the 'Apply' button below. This will route you to the University's Web Recruitment System, where you will need to register an account (if you have not already) and log in before completing the online application form.
Informal enquiries about this vacancy should be sent to Professor Lindsay Greer (email@example.com )
Please quote reference LJ12768 on your application and in any correspondence about this vacancy.
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