Study on crystallized mechanism of amorphous Fe-7Zr-3B alloy

Yuan Zhang; Fengwu Zhu; Kazuhiro Hono; Akihisa Inoue; Toshio Sakurai

Study on crystallized mechanism of amorphous Fe-7Zr-3B alloy

Yuan Zhang, Fengwu Zhu, Kazuhiro Hono, Akihisa Inoue, Toshio Sakurai

Research output: Contribution to journal › Article

Abstract

The crystallization process of α-Fe nanocrystalline was studied by atom probe field microscopy, transmission electron microscopy and high resolution electron microscopy. It was found that the primary crystallization of α-Fe phase proceeded through nucleation and growth. Medium-range ordering domains were observed in the as-quenched amorphous specimen and developed further before the onset of crystallization reaction. In the nucleation and growth stage, the enrichment of Zr atoms at the interface of α-Fe/amorphous matrix was observed, which suggests that the growth of α-Fe grain was controlled by the diffusion of Zr atoms.

Original language	English
Pages (from-to)	78-82
Number of pages	5
Journal	Jinshu Xuebao/Acta Metallurgica Sinica
Volume	35
Issue number	1
Publication status	Published - 1999 Jan 1

Keywords

APFIM
Amorphous Fe-Zr-B alloy
Crystallization
Medium-range-ordering

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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abstract = "The crystallization process of α-Fe nanocrystalline was studied by atom probe field microscopy, transmission electron microscopy and high resolution electron microscopy. It was found that the primary crystallization of α-Fe phase proceeded through nucleation and growth. Medium-range ordering domains were observed in the as-quenched amorphous specimen and developed further before the onset of crystallization reaction. In the nucleation and growth stage, the enrichment of Zr atoms at the interface of α-Fe/amorphous matrix was observed, which suggests that the growth of α-Fe grain was controlled by the diffusion of Zr atoms.",

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T1 - Study on crystallized mechanism of amorphous Fe-7Zr-3B alloy

AU - Zhang, Yuan

AU - Zhu, Fengwu

AU - Hono, Kazuhiro

AU - Inoue, Akihisa

AU - Sakurai, Toshio

PY - 1999/1/1

Y1 - 1999/1/1

N2 - The crystallization process of α-Fe nanocrystalline was studied by atom probe field microscopy, transmission electron microscopy and high resolution electron microscopy. It was found that the primary crystallization of α-Fe phase proceeded through nucleation and growth. Medium-range ordering domains were observed in the as-quenched amorphous specimen and developed further before the onset of crystallization reaction. In the nucleation and growth stage, the enrichment of Zr atoms at the interface of α-Fe/amorphous matrix was observed, which suggests that the growth of α-Fe grain was controlled by the diffusion of Zr atoms.

AB - The crystallization process of α-Fe nanocrystalline was studied by atom probe field microscopy, transmission electron microscopy and high resolution electron microscopy. It was found that the primary crystallization of α-Fe phase proceeded through nucleation and growth. Medium-range ordering domains were observed in the as-quenched amorphous specimen and developed further before the onset of crystallization reaction. In the nucleation and growth stage, the enrichment of Zr atoms at the interface of α-Fe/amorphous matrix was observed, which suggests that the growth of α-Fe grain was controlled by the diffusion of Zr atoms.

KW - APFIM

KW - Amorphous Fe-Zr-B alloy

KW - Crystallization

KW - Medium-range-ordering

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