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Nanometer-scale Structural Relaxation in Zr-based Bulk Metallic Glass

Author(s):
Jinwoo Hwang, Hongbo Cao, Paul M. Voyles

We investigated the influence of annealing on the nanometer-scale medium-range order in Zr54Cu38Al8 bulk metallic glass using fluctuation electron microscopy. Fluctuation microscopy experiments probing structure at a length scale of 1 nm show that the as-cast Zr bulk metallic glass contains significant medium range order. That structure is unchanged by annealing at 87% of the glass transition temperature for 24 hours, although that anneal does significantly change the differential scanning calorimetry trace.

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Track ID:
Paper #: 1048-Z05-04
DOI: