Direct observation of shear- induced nanocrystal attachment and coalescence in CuZr-based metallic glasses: TEM investigation
Journal of Alloys and Compounds(2016)
Abstract
In-situ tensile straining tests were performed in a transmission electron microscope (TEM) to analyse the deformation processes in CuZr-based metallic glasses and to directly observe the phase transformation occurrence. We report evidence of shear induced coalescence of nanocrystals in the vicinity of deformed regions. Nanocrystals grow in shear bands, come into contact, being attached and progressively coalesce under applied shear stress.
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Key words
Metallic glasses,Deformation,Shear bands,Phase transformations,Coalescence,TEM
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