Low-temperature crystallization caused by ultrasound in Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 bulk metallic glasses

T. Ichitsubo; E. Matsubara; K. Anazawa; N. Nishiyama; M. Naito; Y. Hirotsu

doi:10.1016/j.msea.2006.01.149

Low-temperature crystallization caused by ultrasound in Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ bulk metallic glasses

T. Ichitsubo, E. Matsubara, K. Anazawa, N. Nishiyama, M. Naito, Y. Hirotsu

IMR - Materials Development Division

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8 Citations (Scopus)

Abstract

Crystallization behavior of Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ (number indicate at.%) bulk metallic glasses under ultrasonic (US) vibrations of sub/low-MHz frequencies has been systematically investigated. It was found that, when the glassy sample was subjected to the US vibrations for a long duration, the crystallization occurred even (near) below the glass transition temperature T_g. The microstructural features of the US-accelerated crystalline phases are presented, and the mechanism of the US-accelerated crystallization is briefly discussed in terms of β relaxation.

Original language	English
Pages (from-to)	273-277
Number of pages	5
Journal	Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
Volume	442
Issue number	1-2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.msea.2006.01.149
Publication status	Published - 2006 Dec 20

Keywords

Acoustic methods
Crystallization
Metallic glasses
Ultrasound
β relaxation

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10.1016/j.msea.2006.01.149

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Ichitsubo, T., Matsubara, E., Anazawa, K., Nishiyama, N., Naito, M., & Hirotsu, Y. (2006). Low-temperature crystallization caused by ultrasound in Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ bulk metallic glasses. Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, 442(1-2 SPEC. ISS.), 273-277. https://doi.org/10.1016/j.msea.2006.01.149

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title = "Low-temperature crystallization caused by ultrasound in Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 bulk metallic glasses",

abstract = "Crystallization behavior of Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 (number indicate at.%) bulk metallic glasses under ultrasonic (US) vibrations of sub/low-MHz frequencies has been systematically investigated. It was found that, when the glassy sample was subjected to the US vibrations for a long duration, the crystallization occurred even (near) below the glass transition temperature Tg. The microstructural features of the US-accelerated crystalline phases are presented, and the mechanism of the US-accelerated crystallization is briefly discussed in terms of β relaxation.",

keywords = "Acoustic methods, Crystallization, Metallic glasses, Ultrasound, β relaxation",

author = "T. Ichitsubo and E. Matsubara and K. Anazawa and N. Nishiyama and M. Naito and Y. Hirotsu",

note = "Funding Information: This work was partly supported by Grant-in-Aid for Scientific Research on the Priority Area Investigation of “Materials Science of Bulk Metallic Glasses” (No. 15074212) from the Ministry of Education, Science, Sports and Culture, Japan.",

year = "2006",

month = dec,

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doi = "10.1016/j.msea.2006.01.149",

language = "English",

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journal = "Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing",

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Ichitsubo, T, Matsubara, E, Anazawa, K, Nishiyama, N, Naito, M & Hirotsu, Y 2006, 'Low-temperature crystallization caused by ultrasound in Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ bulk metallic glasses', Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, vol. 442, no. 1-2 SPEC. ISS., pp. 273-277. https://doi.org/10.1016/j.msea.2006.01.149

Low-temperature crystallization caused by ultrasound in Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ bulk metallic glasses. / Ichitsubo, T.; Matsubara, E.; Anazawa, K. et al.
In: Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing, Vol. 442, No. 1-2 SPEC. ISS., 20.12.2006, p. 273-277.

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

TY - JOUR

T1 - Low-temperature crystallization caused by ultrasound in Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 bulk metallic glasses

AU - Ichitsubo, T.

AU - Matsubara, E.

AU - Anazawa, K.

AU - Nishiyama, N.

AU - Naito, M.

AU - Hirotsu, Y.

N1 - Funding Information: This work was partly supported by Grant-in-Aid for Scientific Research on the Priority Area Investigation of “Materials Science of Bulk Metallic Glasses” (No. 15074212) from the Ministry of Education, Science, Sports and Culture, Japan.

PY - 2006/12/20

Y1 - 2006/12/20

N2 - Crystallization behavior of Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 (number indicate at.%) bulk metallic glasses under ultrasonic (US) vibrations of sub/low-MHz frequencies has been systematically investigated. It was found that, when the glassy sample was subjected to the US vibrations for a long duration, the crystallization occurred even (near) below the glass transition temperature Tg. The microstructural features of the US-accelerated crystalline phases are presented, and the mechanism of the US-accelerated crystallization is briefly discussed in terms of β relaxation.

AB - Crystallization behavior of Pd42.5 Ni7.5 Cu30 P20 and Pd40 Ni40 P20 (number indicate at.%) bulk metallic glasses under ultrasonic (US) vibrations of sub/low-MHz frequencies has been systematically investigated. It was found that, when the glassy sample was subjected to the US vibrations for a long duration, the crystallization occurred even (near) below the glass transition temperature Tg. The microstructural features of the US-accelerated crystalline phases are presented, and the mechanism of the US-accelerated crystallization is briefly discussed in terms of β relaxation.

KW - Acoustic methods

KW - Crystallization

KW - Metallic glasses

KW - Ultrasound

KW - β relaxation

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JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

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ER -

Low-temperature crystallization caused by ultrasound in Pd_42.5 Ni_7.5 Cu₃₀ P₂₀ and Pd₄₀ Ni₄₀ P₂₀ bulk metallic glasses

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