Journal
INTERMETALLICS
Volume 84, Issue -, Pages 148-152Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2017.01.002
Keywords
Metallic glass; Magnetic element; beta-relaxation
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Funding
- NSF of China [51271195, 51571209, 51461165101]
- MOST 973 Program [2015CB856800]
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Most metallic glasses (MGs) exhibit weak evidence of slow beta-relaxation in their dynamic mechanical spectroscopy. In contrast to other MGs, we find a series of Fe-based MGs with unusual distinct beta-relaxation peaks in their relaxation spectra. The investigation on the beta-relaxation behavior of Fe-based MGs suggest that the magnetic element Fe plays the critical role in the pronounced beta-relaxation behaviors in the Fe-based metallic glasses, which could provide deep insight into the mechanism of beta-relaxation dynamic mode in metallic glasses. (C) 2017 Elsevier Ltd. All rights reserved.
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