Effect of element yttrium on β-relaxation of Cu-based metallic glasses
Source abstract
Abstract
Abstract The β-relaxation behaviors of Cu46Zr47-xAl7Yx (x = 1, 3 and 5, in at.%) metallic glasses were characterized by dynamic mechanical analyzer (DMA). It is found that the Cu-Zr-Al-Y metallic glasses exhibit an observable β-relaxation behavior, and the intensity of β-relaxation will be pronounced with the increase of yttrium. The enthalpy of mixing and the mean chemical affinity of constituent elements are employed to explain the experiment results. The Cu46Zr42Al7Y5 metallic glass with the minimum negative value of mean chemical affinity shows the most pronounced β-relaxation.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Material Dynamics and Properties · Theoretical and Computational Physics
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References (22)
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