What is it about?
Sluggish diffusion is a phenomenon attributed to the so called "High entropy alloys". It states that diffusion would be anomalously slow in these alloys as part of the entropy contribution to stabilization of disordered structures. The present work tests if there is some experimental evidence for this effect using the void growth kinetics under irradiation as test. The results show that if this phenomenon exists, it is limited to the fringe of experimental evidence and only at very small temperatures.
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Why is it important?
Correct understanding of alloy properties, free of prejudices, is important for the rational development of materials.
Perspectives
This is another contribution of Matheus Tunes, a bright young scientist who studied in my group in his Master of Science, defended a PhD at University of Huddersfield, and is currently enrolled as collaborator at the Montanuniversitat Leoben, Austria.
Professor Claudio Geraldo Schön
Universidade de Sao Paulo Campus da Capital
Read the Original
This page is a summary of: Investigating sluggish diffusion in a concentrated solid solution alloy using ion irradiation with in situ TEM, Intermetallics, July 2019, Elsevier,
DOI: 10.1016/j.intermet.2019.04.004.
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