Nanocrystallization in Fe73.5Si13.5B9Cu1Nb1X2 (X = Nb, Mo and V) alloys studied by X-ray synchrotron radiation

被引：16

作者：

Borrego, JM ^{[1
]}

Conde, CF ^{[1
]}

Millan, M ^{[1
]}

Conde, A ^{[1
]}

Capitan, MJ ^{[1
]}

Joulaud, JL ^{[1
]}

机构：

[1] Univ Sevilla, Dept Fis Mat Condensada, E-41080 Seville, Spain

来源：

NANOSTRUCTURED MATERIALS | 1998年 / 10卷 / 04期

关键词：

D O I：

10.1016/S0965-9773(98)00103-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of partial substitution of Nb by refractory elements (Mo and V) on the nanocrystallization process of a FeSiB-CuNb alloy was studied by in situ X-ray diffraction, using a synchrotron radiation source. The crystalline volume fraction, the mean grain size of the crystallites and the nanophase Si content were estimated to describe the microstructural al evolution and the kinetics of the process. For the studied alloys, the volume fraction of the Fe,Si nanophase after annealing at the same condition increases in the order Nb < Mo < V. The mean grain size of the Fe,Si nanocrystals also increases in the sequence Nb < Mo < V. Transformation kinetics is described in terms of Johnson-Mehl-Avrami kinetics (JMA) and the obtained values for the overall Avrami exponent are slightly below 1, as usually found for Finemet alloys. (C) 1998 Acta Metallurgica Inc.

引用

页码：575 / 583

页数：9

共 21 条

[1] KINETICS OF THE AMORPHOUS-TO-NANOCRYSTALLINE TRANSFORMATION IN FE73.5CU1NB3SI13.5B9 [J].

ALLIA, P ;

BARICCO, M ;

TIBERTO, P ;

VINAI, F .

JOURNAL OF APPLIED PHYSICS, 1993, 74 (05) :3137-3143

[2] Granulation, Phase Change, and Microstructure - Kinetics of Phase Change. III [J].

Avrami, M .

JOURNAL OF CHEMICAL PHYSICS, 1941, 9 (02) :177-184

[3] NANOCRYSTALLINE PHASE-FORMATION IN AMORPHOUS FE73.5CU1NB3SI13.5B9 SUBMITTED TO CONVENTIONAL ANNEALING AND JOULE HEATING [J].

BARICCO, M ;

ANTONIONE, C ;

ALLIA, P ;

TIBERTO, P ;

VINAI, F .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1994, 179 :572-576

[4] X-ray absorption studies of a FINEMET alloy [J].

Borrego, JM ;

Conde, CF ;

Conde, A ;

Chadwick, AV ;

Morrison, G .

JOURNAL OF NON-CRYSTALLINE SOLIDS, 1998, 232 :352-357

[5] Mossbauer study of the nanocrystallization of the amorphous system Fe73.5Si13.5B9Cu1Nb1X2 with X = Nb, Mo, V and Zr [J].

Borrego, JM ;

Rodriguez, VAP ;

Conde, A .

HYPERFINE INTERACTIONS, 1997, 110 (1-2) :1-6

[6] Nanocrystallization behaviour of FeSiBCu(NbX) alloys [J].

Borrego, JM ;

Conde, A .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 1997, 226 :663-667

[7]

BORREGO JM, IN PRESS

[8]

CAPITAN MJ, 1998, UNPUB REV SCI INSTRU

[9] Nanocrystallization in Fe73.5Cu1Nb3(Si,B)(22.5) alloys: Influence of the Si/B content [J].

Conde, CF ;

Conde, A .

NANOSTRUCTURED MATERIALS, 1995, 6 (1-4) :457-460

[10] TIME-RESOLVED X-RAY-DIFFRACTION STUDIES ON THE CRYSTALLIZATION OF AMORPHOUS FESIB-BASED ALLOYS [J].

DANZIG, A ;

MATTERN, N .

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 1995, 147 (02) :335-345

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