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Microstructure identification of devitrified Cu–Ti–Zr–Ni bulk amorphous alloy

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Volume
480
Issue
2
Identifiers
DOI: 10.1016/j.jallcom.2009.02.012
Keywords
  • Bulk Amorphous Alloy
  • Devitrification
  • Eutectic Microstructure

Abstract

Abstract The microstructures of devitrified Cu–Ti–Zr–Ni bulk amorphous alloy were identified by X-ray diffractometry (XRD) and transmission electron microscope (TEM). XRD and TEM examinations show that the deep eutectic structures of the tested alloy consist of CuTi 2–Cu 10Zr 7, Cu 3Ti–CuZr, Cu 3Ti–Cu 10Zr 7–CuZr low-order eutectics. Moreover, short-range ordering clusters in the melt with configuration similar to that of Cu 10Zr 7 compound may contribute to the glass forming ability of bulk amorphous Cu–Ti–Zr–Ni alloy.

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