Abstract
The Gibbs free energy of formation of amorphous alloy, Δ G a has been calculated, for some typical bulk metallic glasses (BMGs). The strong negative linear relationship between crystallization temperature T x and Δ G a has been found, and hence Δ G a can be used as an efficient parameter to evaluate and predict the thermal stability of rare earth (RE)-based BMGs, in a narrow composition region of the same alloy system. The origin of the strong linear relationship has also been discussed.
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