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Thermal and Thermomechanical Behavior of Cu 50 Hf 41.5 Al 8.5 Bulk Metallic Glass after Cyclic Elastic Deformation
Author(s) -
Hebert R. J.,
Mubarok A.
Publication year - 2008
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200800144
Subject(s) - materials science , amorphous metal , annealing (glass) , composite material , deformation (meteorology) , amorphous solid , metal , phase (matter) , thermal , thermal stability , metallurgy , thermodynamics , crystallography , chemical engineering , alloy , chemistry , organic chemistry , physics , engineering
In structural applications bulk metallic glasses are almost inevitably exposed to repeated elastic loading and unloading. This communication highlights changes in the thermomechanical and calorimetric behavior of a Cu 50 Hf 41.5 Al 8.5 bulk metallic glass with cyclic elastic deformation. The calorimetric analysis shows a stabilization of the amorphous phase with cyclic deformation at room temperature. The thermomechanical behavior of the metallic glass following the cyclic elastic deformation resembles the effect of annealing. The results demonstrate that a repeated elastic deformation can affect the phase stability of metallic glasses.