Si-alloying effect on glass-forming ability and crystallization behavior of Zr72.5Al10Fe17.5 metallic glass
Source abstract
Abstract
The glass-forming ability (GFA) and crystallization behavior of (Zr 72.5Al 10Fe 17.5) 100- xSi x alloys, where x = 0.0, 0.2, 0.5, 1.0, and 2.0, were elucidated with varying Si addition. The GFA and thermal stability initially increase and reach the maxima with x = 0.2 before it shows a subsequent decrease. The GFA was dominated by the high atomic packing density, while the thermal stability was up to the free volume concentration, which is closely related to the enthalpy changes during structural relaxation. The crystallization products of the alloys with Si addition are identical and are determined to be Zr 6Al 2Fe, α-Zr, and FeZr 2, accompanying by a more distinct separation of the crystallization behavior in the DSC traces. It was attributed to the fact that the effects of Si addition on the crystallization activation energy for Zr 6Al 2Fe, α-Zr, and FeZr 2 are significantly different.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys · Glass properties and applications · Cultural Heritage Materials Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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