Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method

Yoshihiko Yokoyama; Kenzo Fukaura; Hisakichi Sunada; Ryunosuke Note; Tasaku Sato; Kenji Hiraga; Akihisa Inoue; Uichiro Mizutani

doi:10.2320/matertrans1989.41.522

Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method

Yoshihiko Yokoyama, Kenzo Fukaura, Hisakichi Sunada, Ryunosuke Note, Tasaku Sato, Kenji Hiraga, Akihisa Inoue, Uichiro Mizutani

Institute for Materials Research (IMR)

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

2 Citations (Scopus)

Abstract

Making full use of the phase diagram studies in the literature, enables us to distinguish the growth conditions in the Czochralski method necessary to grow both icosahedral (I-) and cubic approximant (R-) single crystals in an Al-Li-Cu alloy system. Both I- and R-type single crystals were grown to 1-5 mm in diameter and over 60 mm in length. X-ray Laue diffraction, transmission electron microscopy, and inductively coupled plasma-emission mass spectrometer analysis confirmed the formation of a single quasicrystal Al₅₆Li₃₃Cu₁₁ and a single approximant crystal Al_56.4Li₃₂Cu_11.6.

Original language	English
Pages (from-to)	522-526
Number of pages	5
Journal	Materials Transactions, JIM
Volume	41
Issue number	4
DOIs	https://doi.org/10.2320/matertrans1989.41.522
Publication status	Published - 2000 Apr

Keywords

Aluminum-lithium-copper alloy system
Anneal treatment
Czochralski method
Single cubic approximant crystal
Single icosahedral quasicrystal

ASJC Scopus subject areas

Engineering(all)

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10.2320/matertrans1989.41.522

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Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method. / Yokoyama, Yoshihiko; Fukaura, Kenzo; Sunada, Hisakichi; Note, Ryunosuke; Sato, Tasaku; Hiraga, Kenji; Inoue, Akihisa; Mizutani, Uichiro.

In: Materials Transactions, JIM, Vol. 41, No. 4, 04.2000, p. 522-526.

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

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title = "Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method",

abstract = "Making full use of the phase diagram studies in the literature, enables us to distinguish the growth conditions in the Czochralski method necessary to grow both icosahedral (I-) and cubic approximant (R-) single crystals in an Al-Li-Cu alloy system. Both I- and R-type single crystals were grown to 1-5 mm in diameter and over 60 mm in length. X-ray Laue diffraction, transmission electron microscopy, and inductively coupled plasma-emission mass spectrometer analysis confirmed the formation of a single quasicrystal Al56Li33Cu11 and a single approximant crystal Al56.4Li32Cu11.6.",

keywords = "Aluminum-lithium-copper alloy system, Anneal treatment, Czochralski method, Single cubic approximant crystal, Single icosahedral quasicrystal",

author = "Yoshihiko Yokoyama and Kenzo Fukaura and Hisakichi Sunada and Ryunosuke Note and Tasaku Sato and Kenji Hiraga and Akihisa Inoue and Uichiro Mizutani",

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pages = "522--526",

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T1 - Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method

AU - Yokoyama, Yoshihiko

AU - Fukaura, Kenzo

AU - Sunada, Hisakichi

AU - Note, Ryunosuke

AU - Sato, Tasaku

AU - Hiraga, Kenji

AU - Inoue, Akihisa

AU - Mizutani, Uichiro

PY - 2000/4

Y1 - 2000/4

N2 - Making full use of the phase diagram studies in the literature, enables us to distinguish the growth conditions in the Czochralski method necessary to grow both icosahedral (I-) and cubic approximant (R-) single crystals in an Al-Li-Cu alloy system. Both I- and R-type single crystals were grown to 1-5 mm in diameter and over 60 mm in length. X-ray Laue diffraction, transmission electron microscopy, and inductively coupled plasma-emission mass spectrometer analysis confirmed the formation of a single quasicrystal Al56Li33Cu11 and a single approximant crystal Al56.4Li32Cu11.6.

AB - Making full use of the phase diagram studies in the literature, enables us to distinguish the growth conditions in the Czochralski method necessary to grow both icosahedral (I-) and cubic approximant (R-) single crystals in an Al-Li-Cu alloy system. Both I- and R-type single crystals were grown to 1-5 mm in diameter and over 60 mm in length. X-ray Laue diffraction, transmission electron microscopy, and inductively coupled plasma-emission mass spectrometer analysis confirmed the formation of a single quasicrystal Al56Li33Cu11 and a single approximant crystal Al56.4Li32Cu11.6.

KW - Aluminum-lithium-copper alloy system

KW - Anneal treatment

KW - Czochralski method

KW - Single cubic approximant crystal

KW - Single icosahedral quasicrystal

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Growth of icosahedral single quasicrystal and 1/1-cubic approximant single crystal in an Al-Li-Cu alloy system by the Czochralski method

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Keywords

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