Crystallization behavior of αFe in Fe84Nb 7B9 and Fe85Nb6B9 amorphous alloys

Eiichiro Matsubara; Satoshi Tanaka; Akihiro Makino; Te Hsuan Chiang

doi:10.2320/matertrans.45.1199

Crystallization behavior of αFe in Fe₈₄Nb ₇B₉ and Fe₈₅Nb₆B₉ amorphous alloys

Eiichiro Matsubara, Satoshi Tanaka, Akihiro Makino, Te Hsuan Chiang

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

6 Citations (Scopus)

Abstract

Structures of amorphous Fe₈₄Nb₇B₉ (FN7) and Fe₈₅Nb₆B₉ (FN6) alloys were investigated by high-energy X-ray diffraction. The structures of FN6 and FN7 contain a relatively large amount of bcc-Fe like clusters. This cluster size seems to grow larger for FN6 than for FN7. From the lattice parameters of αFe precipitates, the crystallization behavior of both alloys were discussed. The αFe precipitates contain supersaturated Nb and B. These solute atoms are removed from αFe by annealing at elevated temperature and stabilize the amorphous matrix. This appears to prevent the growth of αFe to maintain nano-scale αFe particles.

Original language	English
Pages (from-to)	1199-1203
Number of pages	5
Journal	Materials Transactions
Volume	45
Issue number	4
DOIs	https://doi.org/10.2320/matertrans.45.1199
Publication status	Published - 2004 Apr
Externally published	Yes

Keywords

Bcc-like clusters
High-energy X-ray diffraction
Monocrystallization
Soft magnetic material

ASJC Scopus subject areas

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

Access to Document

10.2320/matertrans.45.1199

Cite this

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title = "Crystallization behavior of αFe in Fe84Nb 7B9 and Fe85Nb6B9 amorphous alloys",

abstract = "Structures of amorphous Fe84Nb7B9 (FN7) and Fe85Nb6B9 (FN6) alloys were investigated by high-energy X-ray diffraction. The structures of FN6 and FN7 contain a relatively large amount of bcc-Fe like clusters. This cluster size seems to grow larger for FN6 than for FN7. From the lattice parameters of αFe precipitates, the crystallization behavior of both alloys were discussed. The αFe precipitates contain supersaturated Nb and B. These solute atoms are removed from αFe by annealing at elevated temperature and stabilize the amorphous matrix. This appears to prevent the growth of αFe to maintain nano-scale αFe particles.",

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T1 - Crystallization behavior of αFe in Fe84Nb 7B9 and Fe85Nb6B9 amorphous alloys

AU - Matsubara, Eiichiro

AU - Tanaka, Satoshi

AU - Makino, Akihiro

AU - Chiang, Te Hsuan

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N2 - Structures of amorphous Fe84Nb7B9 (FN7) and Fe85Nb6B9 (FN6) alloys were investigated by high-energy X-ray diffraction. The structures of FN6 and FN7 contain a relatively large amount of bcc-Fe like clusters. This cluster size seems to grow larger for FN6 than for FN7. From the lattice parameters of αFe precipitates, the crystallization behavior of both alloys were discussed. The αFe precipitates contain supersaturated Nb and B. These solute atoms are removed from αFe by annealing at elevated temperature and stabilize the amorphous matrix. This appears to prevent the growth of αFe to maintain nano-scale αFe particles.

AB - Structures of amorphous Fe84Nb7B9 (FN7) and Fe85Nb6B9 (FN6) alloys were investigated by high-energy X-ray diffraction. The structures of FN6 and FN7 contain a relatively large amount of bcc-Fe like clusters. This cluster size seems to grow larger for FN6 than for FN7. From the lattice parameters of αFe precipitates, the crystallization behavior of both alloys were discussed. The αFe precipitates contain supersaturated Nb and B. These solute atoms are removed from αFe by annealing at elevated temperature and stabilize the amorphous matrix. This appears to prevent the growth of αFe to maintain nano-scale αFe particles.

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KW - High-energy X-ray diffraction

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KW - Soft magnetic material

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