Abstract
The linear thermal expansion of the bulk amorphous Zr4.12Ti13.8Cu12 5Ni10Be22.5 (atomic percent) alloy has been measured from 80 K to 773 K. The data for T, Tg were fitted by a model based on the Grüneisen relation and a Debye expression for the heat capacity. From the fit, we deduced the Grüneisen parameter, g = 1.25, and the Debye temperature, QD = 400 K. Annealing the amorphous alloy at 663 K, which is between the glass transition temperature Tg = 623 K and the crystallization temperature Tx = 693 K, causes viscous flow in the sample. This is due to the small viscosity in the undercooled liquid.
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He, Y., Schwarz, R.B. & Mandrus, D.G. Thermal expansion of bulk amorphous Zr41.2Ti13.8Cu12.5Ni10Be22.5 alloy. Journal of Materials Research 11, 1836–1841 (1996). https://doi.org/10.1557/JMR.1996.0232
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DOI: https://doi.org/10.1557/JMR.1996.0232