Quasicrystals and nano-quasicrystals in annealed ZrAlNiCuAg metallic glasses

M. W. Chen; A. Inoue; T. Zhang; A. Sakai; T. Sakurai

doi:10.1016/s0966-9795(99)00144-2

Quasicrystals and nano-quasicrystals in annealed ZrAlNiCuAg metallic glasses

M. W. Chen, A. Inoue, T. Zhang, A. Sakai, T. Sakurai

Research output: Contribution to journal › Conference article › peer-review

14 Citations (Scopus)

Abstract

Quasicrystals and nano-quasicrystals are observed in annealed Zr₆₅Al_7.5Ni₁₀Cu_12.5Ag₅ and Zr₆₅Al_7.5Ni₁₀Cu_7.5Ag₁₀ metallic glasses. Through systematic transmission electron microscopy (TEM) analyses, selected area electron diffraction (SAED) and nanobeam electron diffraction (NBED) patterns corresponding to five-, three- and twofold rotational symmetry are obtained, demonstrating that the precipitated phases in the first stage devitrification of the alloys are icosahedral quasicrystalline phases. The discovery of the quasicrystals directly reflects the intrinsic relationship between the Zr-based bulk metallic glasses and the icosahedral structure.

Original language	English
Pages (from-to)	493-498
Number of pages	6
Journal	Intermetallics
Volume	8
Issue number	5-6
DOIs	https://doi.org/10.1016/s0966-9795(99)00144-2
Publication status	Published - 2000 Jan 1
Event	5th IUMRS International Conference on Advanced Materials - Symposium D: Intermetallic Compounds and Bulk Metallic Glasses - Beijing, China Duration: 1999 Jun 13 → 1999 Jun 18

Keywords

B. Phase transformations
C. Nanocrystals
C. Rapid solidification processing
D. Microstructure
F. Electron microscopy transmission

ASJC Scopus subject areas

Chemistry(all)
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Quasicrystals and nano-quasicrystals in annealed ZrAlNiCuAg metallic glasses",

abstract = "Quasicrystals and nano-quasicrystals are observed in annealed Zr65Al7.5Ni10Cu12.5Ag5 and Zr65Al7.5Ni10Cu7.5Ag10 metallic glasses. Through systematic transmission electron microscopy (TEM) analyses, selected area electron diffraction (SAED) and nanobeam electron diffraction (NBED) patterns corresponding to five-, three- and twofold rotational symmetry are obtained, demonstrating that the precipitated phases in the first stage devitrification of the alloys are icosahedral quasicrystalline phases. The discovery of the quasicrystals directly reflects the intrinsic relationship between the Zr-based bulk metallic glasses and the icosahedral structure.",

keywords = "B. Phase transformations, C. Nanocrystals, C. Rapid solidification processing, D. Microstructure, F. Electron microscopy transmission",

author = "Chen, {M. W.} and A. Inoue and T. Zhang and A. Sakai and T. Sakurai",

year = "2000",

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issn = "0966-9795",

publisher = "Elsevier Limited",

number = "5-6",

note = "5th IUMRS International Conference on Advanced Materials - Symposium D: Intermetallic Compounds and Bulk Metallic Glasses ; Conference date: 13-06-1999 Through 18-06-1999",

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TY - JOUR

T1 - Quasicrystals and nano-quasicrystals in annealed ZrAlNiCuAg metallic glasses

AU - Chen, M. W.

AU - Inoue, A.

AU - Zhang, T.

AU - Sakai, A.

AU - Sakurai, T.

PY - 2000/1/1

Y1 - 2000/1/1

N2 - Quasicrystals and nano-quasicrystals are observed in annealed Zr65Al7.5Ni10Cu12.5Ag5 and Zr65Al7.5Ni10Cu7.5Ag10 metallic glasses. Through systematic transmission electron microscopy (TEM) analyses, selected area electron diffraction (SAED) and nanobeam electron diffraction (NBED) patterns corresponding to five-, three- and twofold rotational symmetry are obtained, demonstrating that the precipitated phases in the first stage devitrification of the alloys are icosahedral quasicrystalline phases. The discovery of the quasicrystals directly reflects the intrinsic relationship between the Zr-based bulk metallic glasses and the icosahedral structure.

AB - Quasicrystals and nano-quasicrystals are observed in annealed Zr65Al7.5Ni10Cu12.5Ag5 and Zr65Al7.5Ni10Cu7.5Ag10 metallic glasses. Through systematic transmission electron microscopy (TEM) analyses, selected area electron diffraction (SAED) and nanobeam electron diffraction (NBED) patterns corresponding to five-, three- and twofold rotational symmetry are obtained, demonstrating that the precipitated phases in the first stage devitrification of the alloys are icosahedral quasicrystalline phases. The discovery of the quasicrystals directly reflects the intrinsic relationship between the Zr-based bulk metallic glasses and the icosahedral structure.

KW - B. Phase transformations

KW - C. Nanocrystals

KW - C. Rapid solidification processing

KW - D. Microstructure

KW - F. Electron microscopy transmission

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DO - 10.1016/s0966-9795(99)00144-2

M3 - Conference article

AN - SCOPUS:0000206261

VL - 8

SP - 493

EP - 498

JO - Intermetallics

JF - Intermetallics

SN - 0966-9795

IS - 5-6

T2 - 5th IUMRS International Conference on Advanced Materials - Symposium D: Intermetallic Compounds and Bulk Metallic Glasses

Y2 - 13 June 1999 through 18 June 1999

ER -