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High‐Energy X‐Ray Diffraction Study of the Inhomogeneous Zr 43 Cu 43 Al 7 Ag 7 Bulk‐Metallic Glasses
Author(s) -
Chuang ChihPin,
Liaw Peter K.,
Kai JiJung,
Dmowski Wojtek,
Huang JiaHong,
Yu GePing
Publication year - 2013
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.201200179
Subject(s) - materials science , amorphous metal , amorphous solid , diffraction , transmission electron microscopy , x ray crystallography , synchrotron , phase (matter) , analytical chemistry (journal) , crystallography , metallurgy , optics , alloy , nanotechnology , chemistry , physics , chromatography , organic chemistry
In the present work, the microscopic structure of an as‐cast Zr 43 Cu 43 Al 7 Ag 7 bulkmetallic glass (BMG) had been investigated in detail. The structure analyses are performed using the laboratory X‐ray diffraction (XRD), high‐energy synchrotron X‐ray diffraction, and transmission‐electron microscopy (TEM). The results from different techniques are compared and discussed. The specimen shows a typical amorphous hallo using the conventional laboratory XRD. However, tiny crystalline particles, roughly ≈10 nm in size, are found in the sample by the high‐energy XRD as well as the TEM. The standard laboratory XRD measurement is not adequate to differentiate amorphous from a nano‐composite phase. The high‐energy XRD method is an essential technique to determine the glassy nature of a BMG.