Glassy and icosahedral phases in rapidly solidified Ti-Zr-Hf-(Fe, Co or Ni) alloys

N. Chen; D. V. Louzguine-Luzgin; S. Ranganathan; A. Inoue

doi:10.1016/j.jnoncrysol.2005.06.041

Glassy and icosahedral phases in rapidly solidified Ti-Zr-Hf-(Fe, Co or Ni) alloys

N. Chen, D. V. Louzguine-Luzgin, S. Ranganathan, A. Inoue

Advanced Institute for Materials Research (AIMR)

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

5 Citations (Scopus)

Abstract

The icosahedral quasicrystalline, amorphous plus crystalline and glassy phases were formed in Ti₄₀Zr₂₀Hf₂₀(3d-LTM) ₂₀ alloys (3d-LTM=3d late transition metals Fe, Co and Ni). The icosahedral phase formed in the melt-spun Ti₄₀Zr₂₀Hf ₂₀Fe₂₀ alloy is metastable and the average size of the quasicrystalline icosahedral particles precipitated in the amorphous matrix is 5 nm. The metastable icosahedral phase transformed to a big-cubic fcc Hf ₂Fe phase with the grain size of about 20 nm after annealing for 1.8 ks at 841 K. The glassy phase was formed in the melt-spun Ti₄₀Zr ₂₀Hf₂₀Co₂₀ alloy and no metastable phase was found to form during the transformation from glassy phase to a stable crystalline phase. Icosaheadral phase formed in the melt-spun Ti ₄₀Zr₂₀Hf₂₀Ni₂₀ alloy transformed to a big-cubic fcc (Zr, Ti)₂Ni solid solution phase by a solid state reaction.

Original language	English
Pages (from-to)	2547-2551
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	351
Issue number	30-32
DOIs	https://doi.org/10.1016/j.jnoncrysol.2005.06.041
Publication status	Published - 2005 Sept 1

ASJC Scopus subject areas

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

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title = "Glassy and icosahedral phases in rapidly solidified Ti-Zr-Hf-(Fe, Co or Ni) alloys",

abstract = "The icosahedral quasicrystalline, amorphous plus crystalline and glassy phases were formed in Ti40Zr20Hf20(3d-LTM) 20 alloys (3d-LTM=3d late transition metals Fe, Co and Ni). The icosahedral phase formed in the melt-spun Ti40Zr20Hf 20Fe20 alloy is metastable and the average size of the quasicrystalline icosahedral particles precipitated in the amorphous matrix is 5 nm. The metastable icosahedral phase transformed to a big-cubic fcc Hf 2Fe phase with the grain size of about 20 nm after annealing for 1.8 ks at 841 K. The glassy phase was formed in the melt-spun Ti40Zr 20Hf20Co20 alloy and no metastable phase was found to form during the transformation from glassy phase to a stable crystalline phase. Icosaheadral phase formed in the melt-spun Ti 40Zr20Hf20Ni20 alloy transformed to a big-cubic fcc (Zr, Ti)2Ni solid solution phase by a solid state reaction.",

author = "N. Chen and Louzguine-Luzgin, {D. V.} and S. Ranganathan and A. Inoue",

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T1 - Glassy and icosahedral phases in rapidly solidified Ti-Zr-Hf-(Fe, Co or Ni) alloys

AU - Chen, N.

AU - Louzguine-Luzgin, D. V.

AU - Ranganathan, S.

AU - Inoue, A.

PY - 2005/9/1

Y1 - 2005/9/1

N2 - The icosahedral quasicrystalline, amorphous plus crystalline and glassy phases were formed in Ti40Zr20Hf20(3d-LTM) 20 alloys (3d-LTM=3d late transition metals Fe, Co and Ni). The icosahedral phase formed in the melt-spun Ti40Zr20Hf 20Fe20 alloy is metastable and the average size of the quasicrystalline icosahedral particles precipitated in the amorphous matrix is 5 nm. The metastable icosahedral phase transformed to a big-cubic fcc Hf 2Fe phase with the grain size of about 20 nm after annealing for 1.8 ks at 841 K. The glassy phase was formed in the melt-spun Ti40Zr 20Hf20Co20 alloy and no metastable phase was found to form during the transformation from glassy phase to a stable crystalline phase. Icosaheadral phase formed in the melt-spun Ti 40Zr20Hf20Ni20 alloy transformed to a big-cubic fcc (Zr, Ti)2Ni solid solution phase by a solid state reaction.

AB - The icosahedral quasicrystalline, amorphous plus crystalline and glassy phases were formed in Ti40Zr20Hf20(3d-LTM) 20 alloys (3d-LTM=3d late transition metals Fe, Co and Ni). The icosahedral phase formed in the melt-spun Ti40Zr20Hf 20Fe20 alloy is metastable and the average size of the quasicrystalline icosahedral particles precipitated in the amorphous matrix is 5 nm. The metastable icosahedral phase transformed to a big-cubic fcc Hf 2Fe phase with the grain size of about 20 nm after annealing for 1.8 ks at 841 K. The glassy phase was formed in the melt-spun Ti40Zr 20Hf20Co20 alloy and no metastable phase was found to form during the transformation from glassy phase to a stable crystalline phase. Icosaheadral phase formed in the melt-spun Ti 40Zr20Hf20Ni20 alloy transformed to a big-cubic fcc (Zr, Ti)2Ni solid solution phase by a solid state reaction.

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Glassy and icosahedral phases in rapidly solidified Ti-Zr-Hf-(Fe, Co or Ni) alloys

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