Radiation stability of nanocrystalline single-phase multicomponent alloys

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http://hdl.handle.net/10138/300477

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Levo , E , Granberg , F , Utt , D , Albe , K , Nordlund , K & Djurabekova , F 2019 , ' Radiation stability of nanocrystalline single-phase multicomponent alloys ' , Journal of Materials Research , vol. 34 , no. 5 , pp. 854-866 . https://doi.org/10.1557/jmr.2019.19

Title: Radiation stability of nanocrystalline single-phase multicomponent alloys
Author: Levo, Emil; Granberg, Fredric; Utt, Daniel; Albe, Karsten; Nordlund, Kai; Djurabekova, Flyura
Contributor: University of Helsinki, Materials Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Date: 2019-03-14
Language: eng
Number of pages: 13
Belongs to series: Journal of Materials Research
ISSN: 0884-2914
URI: http://hdl.handle.net/10138/300477
Abstract: In search of materials with better properties, polycrystalline materials are often found to be superior to their respective single crystalline counterparts. Reduction of grain size in polycrystalline materials can drastically alter the properties of materials. When the grain sizes reach the nanometer scale, the improved mechanical response of the materials make them attractive in many applications. Multicomponent solid-solution alloys have shown to have a higher radiation tolerance compared with pure materials. Combining these advantages, we investigate the radiation tolerance of nanocrystalline multicomponent alloys. We find that these alloys withstand a much higher irradiation dose, compared with nanocrystalline Ni, before the nanocrystallinity is lost. Some of the investigated alloys managed to keep their nanocrystallinity for twice the irradiation dose as pure Ni.
Subject: 114 Physical sciences
Radiation
Stability
Nanocrystalline
Multicomponent
Alloy
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