Nano-crystallization behavior of Zr-Cu-Al bulk glass-forming alloy

D. V. Louzguine-Luzgin; G. Q. Xie; S. Gonzales; J. Q. Wang; K. Nakayama; J. H. Perepezko; A. Inoue

doi:10.1016/j.jnoncrysol.2011.08.026

Nano-crystallization behavior of Zr-Cu-Al bulk glass-forming alloy

D. V. Louzguine-Luzgin, G. Q. Xie, S. Gonzales, J. Q. Wang, K. Nakayama, J. H. Perepezko, A. Inoue

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

9 Citations (Scopus)

Abstract

The glass-forming ability and devitrification behavior of a Zr ₅₅Cu₃₅Al₁₀ bulk glass-forming alloy were examined to elucidate the very high nanocrystallization product density (> 10²³ m^-3). The crystallization kinetics and structural changes in the glassy alloy were studied using X-ray diffraction, transmission electron microscopy, differential scanning and isothermal calorimetry methods. The observed sequential phase formation during isothermal reaction and the high nanocrystal density are consistent with the influence of residual oxygen even at low levels (< 500 ppm) to promote nucleation.

Original language	English
Pages (from-to)	145-149
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	358
Issue number	2
DOIs	https://doi.org/10.1016/j.jnoncrysol.2011.08.026
Publication status	Published - 2012 Jan 15

Keywords

Bulk glassy alloy
Crystallization
Differential scanning calorimetry
Transmission electron microscopy (TEM)

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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title = "Nano-crystallization behavior of Zr-Cu-Al bulk glass-forming alloy",

abstract = "The glass-forming ability and devitrification behavior of a Zr 55Cu35Al10 bulk glass-forming alloy were examined to elucidate the very high nanocrystallization product density (> 1023 m-3). The crystallization kinetics and structural changes in the glassy alloy were studied using X-ray diffraction, transmission electron microscopy, differential scanning and isothermal calorimetry methods. The observed sequential phase formation during isothermal reaction and the high nanocrystal density are consistent with the influence of residual oxygen even at low levels (< 500 ppm) to promote nucleation.",

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AU - Louzguine-Luzgin, D. V.

AU - Xie, G. Q.

AU - Gonzales, S.

AU - Wang, J. Q.

AU - Nakayama, K.

AU - Perepezko, J. H.

AU - Inoue, A.

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AB - The glass-forming ability and devitrification behavior of a Zr 55Cu35Al10 bulk glass-forming alloy were examined to elucidate the very high nanocrystallization product density (> 1023 m-3). The crystallization kinetics and structural changes in the glassy alloy were studied using X-ray diffraction, transmission electron microscopy, differential scanning and isothermal calorimetry methods. The observed sequential phase formation during isothermal reaction and the high nanocrystal density are consistent with the influence of residual oxygen even at low levels (< 500 ppm) to promote nucleation.

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KW - Crystallization

KW - Differential scanning calorimetry

KW - Transmission electron microscopy (TEM)

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