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Berlin 2012 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 28: Topical Session Theory meets Experiment I - Intermetallics and Steels

MM 28.1: Topical Talk

Wednesday, March 28, 2012, 10:15–10:45, TC 006

Some Contributions to Materials Design from Combined Three Dimensional Observation of Materials by Atom Probe Tomography and Three Dimensional Atomistic Modelling — •George Smith — Department of Materials, Oxford University, Parks Road, Oxford OX1 3PH, United Kingdom

Two exciting new developments have come together in recent years in the field of materials science. For the first time, we are able to observe experimentally the three-dimensional atomic-scale chemistry of solids, by atom probe tomography. Also, we are now able to carry out large-scale computer modelling of materials in three dimensions at the atomic level. The combination of experiment and theory opens totally new horizons for intelligent materials design and development. Three case studies, from very different fields, will be presented to illustrate the power of this new approach. The first relates to the development of improved pressure vessel steels for energy generation. The second involves the improvement of manufacturing methods for magnetic sensors for use in computer memories. And the third demonstrates the use of atomic-scale imaging and analysis to assist in optimising the activity of core-shell nanoparticle catalysts for fuel cell applications.

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