Glass formation dependence on casting atmosphere in a Zr-Al-Ni-Cu-Pd alloy system

Albertus D. Setyawan; Hidemi Kato; Junji Saida; Akihisa Inoue

Glass formation dependence on casting atmosphere in a Zr-Al-Ni-Cu-Pd alloy system

Albertus D. Setyawan, Hidemi Kato, Junji Saida, Akihisa Inoue

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A Zr₆₅Al_7.5Ni₁₀Cu_17.5-xPd _x (x=0-17.5 at. %) alloy system is found to exhibit a unique dependence of glass-forming ability (GFA) on casting atmosphere during mold-casting process. High-Pd containing alloys (x=7.5-17.5) showed a remarkable increase of critical size (d_c) for glass formation, in contrast with the low-Pd containing alloys (x=0-5) in which no significant change in d _c was observed, as the pressure of Ar atmosphere varied from vacuum to ambient. The origin of the phenomenon has been successively unveiled by correlating the cooling characteristic during casting process and phase transformation behavior during continuous cooling of the alloy system. The consequence in the structure and property control is investigated and discussed in detail.

Original language	English
Title of host publication	Bulk Metallic Glasses - 2007
Pages	111-116
Number of pages	6
Publication status	Published - 2008 Dec 1
Event	2007 MRS Fall Meeting - Boston, MA, United States Duration: 2007 Nov 26 → 2007 Nov 30

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1048
ISSN (Print)	0272-9172

Other

Other	2007 MRS Fall Meeting
Country/Territory	United States
City	Boston, MA
Period	07/11/26 → 07/11/30

ASJC Scopus subject areas

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

Cite this

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title = "Glass formation dependence on casting atmosphere in a Zr-Al-Ni-Cu-Pd alloy system",

abstract = "A Zr65Al7.5Ni10Cu17.5-xPd x (x=0-17.5 at. %) alloy system is found to exhibit a unique dependence of glass-forming ability (GFA) on casting atmosphere during mold-casting process. High-Pd containing alloys (x=7.5-17.5) showed a remarkable increase of critical size (dc) for glass formation, in contrast with the low-Pd containing alloys (x=0-5) in which no significant change in d c was observed, as the pressure of Ar atmosphere varied from vacuum to ambient. The origin of the phenomenon has been successively unveiled by correlating the cooling characteristic during casting process and phase transformation behavior during continuous cooling of the alloy system. The consequence in the structure and property control is investigated and discussed in detail.",

author = "Setyawan, {Albertus D.} and Hidemi Kato and Junji Saida and Akihisa Inoue",

year = "2008",

month = dec,

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language = "English",

isbn = "9781605608433",

series = "Materials Research Society Symposium Proceedings",

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note = "2007 MRS Fall Meeting ; Conference date: 26-11-2007 Through 30-11-2007",

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T1 - Glass formation dependence on casting atmosphere in a Zr-Al-Ni-Cu-Pd alloy system

AU - Setyawan, Albertus D.

AU - Kato, Hidemi

AU - Saida, Junji

AU - Inoue, Akihisa

PY - 2008/12/1

Y1 - 2008/12/1

N2 - A Zr65Al7.5Ni10Cu17.5-xPd x (x=0-17.5 at. %) alloy system is found to exhibit a unique dependence of glass-forming ability (GFA) on casting atmosphere during mold-casting process. High-Pd containing alloys (x=7.5-17.5) showed a remarkable increase of critical size (dc) for glass formation, in contrast with the low-Pd containing alloys (x=0-5) in which no significant change in d c was observed, as the pressure of Ar atmosphere varied from vacuum to ambient. The origin of the phenomenon has been successively unveiled by correlating the cooling characteristic during casting process and phase transformation behavior during continuous cooling of the alloy system. The consequence in the structure and property control is investigated and discussed in detail.

AB - A Zr65Al7.5Ni10Cu17.5-xPd x (x=0-17.5 at. %) alloy system is found to exhibit a unique dependence of glass-forming ability (GFA) on casting atmosphere during mold-casting process. High-Pd containing alloys (x=7.5-17.5) showed a remarkable increase of critical size (dc) for glass formation, in contrast with the low-Pd containing alloys (x=0-5) in which no significant change in d c was observed, as the pressure of Ar atmosphere varied from vacuum to ambient. The origin of the phenomenon has been successively unveiled by correlating the cooling characteristic during casting process and phase transformation behavior during continuous cooling of the alloy system. The consequence in the structure and property control is investigated and discussed in detail.

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M3 - Conference contribution

AN - SCOPUS:70350306705

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T3 - Materials Research Society Symposium Proceedings

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BT - Bulk Metallic Glasses - 2007

T2 - 2007 MRS Fall Meeting

Y2 - 26 November 2007 through 30 November 2007

ER -

Glass formation dependence on casting atmosphere in a Zr-Al-Ni-Cu-Pd alloy system

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