In situ formation of two glassy phases in the Nd-Zr-Al-Co alloy system

E. S. Park; E. Y. Jeong; J. K. Lee; J. C. Bae; A. R. Kwon; A. Gebert; L. Schultz; H. J. Chang; D. H. Kim

doi:10.1016/j.scriptamat.2006.10.020

In situ formation of two glassy phases in the Nd-Zr-Al-Co alloy system

E. S. Park, E. Y. Jeong, J. K. Lee, J. C. Bae, A. R. Kwon, A. Gebert, L. Schultz, H. J. Chang, D. H. Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article

72 Citations (Scopus)

Abstract

The Nd-Zr-Al-Co alloy system undergoes metastable liquid phase separation over a wide composition range during quenching and subsequently solidifies into two different Nd-rich and Zr-rich amorphous phases. As-quenched samples consist of two amorphous phases of spherical shape with a wide range of length scale (from several nm to μm), and exhibit two distinct exothermic reactions during continuous heating. Viscosity and magnetic properties have been measured to identify potential practical applications of phase-separating metallic glasses.

Original language	English
Pages (from-to)	197-200
Number of pages	4
Journal	Scripta Materialia
Volume	56
Issue number	3
DOIs	https://doi.org/10.1016/j.scriptamat.2006.10.020
Publication status	Published - 2007 Feb

Bibliographical note

Funding Information:
This work was supported by the Creative Research Initiatives of the Korean Ministry of Science. One of the authors (E.S. Park) acknowledges financial support provided by the IFW Dresden, Germany. The author is indebted to Professor Frans Spaepen, Harvard University for thoughtful advice.

All Science Journal Classification (ASJC) codes

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

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title = "In situ formation of two glassy phases in the Nd-Zr-Al-Co alloy system",

abstract = "The Nd-Zr-Al-Co alloy system undergoes metastable liquid phase separation over a wide composition range during quenching and subsequently solidifies into two different Nd-rich and Zr-rich amorphous phases. As-quenched samples consist of two amorphous phases of spherical shape with a wide range of length scale (from several nm to μm), and exhibit two distinct exothermic reactions during continuous heating. Viscosity and magnetic properties have been measured to identify potential practical applications of phase-separating metallic glasses.",

author = "Park, {E. S.} and Jeong, {E. Y.} and Lee, {J. K.} and Bae, {J. C.} and Kwon, {A. R.} and A. Gebert and L. Schultz and Chang, {H. J.} and Kim, {D. H.}",

note = "Funding Information: This work was supported by the Creative Research Initiatives of the Korean Ministry of Science. One of the authors (E.S. Park) acknowledges financial support provided by the IFW Dresden, Germany. The author is indebted to Professor Frans Spaepen, Harvard University for thoughtful advice.",

year = "2007",

month = feb,

doi = "10.1016/j.scriptamat.2006.10.020",

language = "English",

volume = "56",

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AU - Park, E. S.

AU - Jeong, E. Y.

AU - Lee, J. K.

AU - Bae, J. C.

AU - Kwon, A. R.

AU - Gebert, A.

AU - Schultz, L.

AU - Chang, H. J.

AU - Kim, D. H.

N1 - Funding Information: This work was supported by the Creative Research Initiatives of the Korean Ministry of Science. One of the authors (E.S. Park) acknowledges financial support provided by the IFW Dresden, Germany. The author is indebted to Professor Frans Spaepen, Harvard University for thoughtful advice.

PY - 2007/2

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AB - The Nd-Zr-Al-Co alloy system undergoes metastable liquid phase separation over a wide composition range during quenching and subsequently solidifies into two different Nd-rich and Zr-rich amorphous phases. As-quenched samples consist of two amorphous phases of spherical shape with a wide range of length scale (from several nm to μm), and exhibit two distinct exothermic reactions during continuous heating. Viscosity and magnetic properties have been measured to identify potential practical applications of phase-separating metallic glasses.

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