Formation of the Ge-rich metastable phase in rapidly solidified Ge-Al-Cr-Ni-Fe alloy

Dmitri Valentinovich Louzguine; A. Inoue

doi:10.1016/S1359-6462(99)00090-1

Formation of the Ge-rich metastable phase in rapidly solidified Ge-Al-Cr-Ni-Fe alloy

Dmitri Valentinovich Louzguine, A. Inoue

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

The structure of a multicomponent Ge ₅₅ Al ₃₀ Cr ₇ Ni ₄ Fe ₄ alloy prepared by arc-melting was examined using transmission electron microscopy (TEM) and energy dispersive x-ray analysis (EDS). The alloy structure was found to be inhomogeneous, consisting of nanosize crystalline particles of Ge ₂₄ Al ₄ Cr ₂ NiFe metastable phase embedded in the amorphous matrix. The metastable phase had an Fm3m cubic lattice of a = 0.5635 nm. Crystallization of the amorphous phase led to formation of the Fd3m Ge and on unknown phase. The metastable phase disappeared through the reactions that take place over 700 K.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Scripta Materialia
Volume	41
Issue number	1
DOIs	https://doi.org/10.1016/S1359-6462(99)00090-1
Publication status	Published - 1999 Jan 1

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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title = "Formation of the Ge-rich metastable phase in rapidly solidified Ge-Al-Cr-Ni-Fe alloy",

abstract = " The structure of a multicomponent Ge 55 Al 30 Cr 7 Ni 4 Fe 4 alloy prepared by arc-melting was examined using transmission electron microscopy (TEM) and energy dispersive x-ray analysis (EDS). The alloy structure was found to be inhomogeneous, consisting of nanosize crystalline particles of Ge 24 Al 4 Cr 2 NiFe metastable phase embedded in the amorphous matrix. The metastable phase had an Fm3m cubic lattice of a = 0.5635 nm. Crystallization of the amorphous phase led to formation of the Fd3m Ge and on unknown phase. The metastable phase disappeared through the reactions that take place over 700 K. ",

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N2 - The structure of a multicomponent Ge 55 Al 30 Cr 7 Ni 4 Fe 4 alloy prepared by arc-melting was examined using transmission electron microscopy (TEM) and energy dispersive x-ray analysis (EDS). The alloy structure was found to be inhomogeneous, consisting of nanosize crystalline particles of Ge 24 Al 4 Cr 2 NiFe metastable phase embedded in the amorphous matrix. The metastable phase had an Fm3m cubic lattice of a = 0.5635 nm. Crystallization of the amorphous phase led to formation of the Fd3m Ge and on unknown phase. The metastable phase disappeared through the reactions that take place over 700 K.

AB - The structure of a multicomponent Ge 55 Al 30 Cr 7 Ni 4 Fe 4 alloy prepared by arc-melting was examined using transmission electron microscopy (TEM) and energy dispersive x-ray analysis (EDS). The alloy structure was found to be inhomogeneous, consisting of nanosize crystalline particles of Ge 24 Al 4 Cr 2 NiFe metastable phase embedded in the amorphous matrix. The metastable phase had an Fm3m cubic lattice of a = 0.5635 nm. Crystallization of the amorphous phase led to formation of the Fd3m Ge and on unknown phase. The metastable phase disappeared through the reactions that take place over 700 K.

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