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The Composition Effect on the Nanocrystallization of Finemet Amorphous Alloys

Published online by Cambridge University Press:  10 February 2011

J. Zhu ,
T. Pradell ,
N. Clavaguera  and
M. T. Clavaguera-Mora
J. Zhu
Affiliation:
Grup de Física de Materials I, Dept. de Física, Universität Autònoma de Barcelona 08193, Bellaterra, Spain
T. Pradell
Affiliation:
ESAB, Universität Politecnica de Catalunya, Urgell 187, 08036-Barcelona, Spain
N. Clavaguera
Affiliation:
Física de I'Estat Solid, Dept. ECM. Facultat de Física, Universität de Barcelona, Diagonal 647, 08028 Barcelona, Spain
M. T. Clavaguera-Mora
Affiliation:
Grup de Física de Materials I, Dept. de Física, Universität Autònoma de Barcelona 08193, Bellaterra, Spain
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Abstract

Differential Scanning Calorimetry (DSC), X-ray Diffraction (XRD), Neutron Diffraction (ND) and Mössbauer Spectroscopy (MS) were used to study the nanocrystallization process of Fe73.5Cu1Nb3Si22.5–xBx (x=5, 7, 8, 9 and 12) amorphous alloys. Both the temperature range and the activation energy of Fe(Si) phase precipitation from the amorphous martrix increase with the initial B composition. The initial Si composition influences the mechanism of the nanocrystallization: for the Si rich samples, the beginning of nucleation and growth processes is interface controlled, for the B rich samples it is diffusion controlled. Secondary crystallization from the remaining amorphous is mainly Fe3B and Fe2B, the ratio of Fe3B/Fe2B being dependent on the initial composition too.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 457: Symposium V – Nanophase and Nanocomposite Materials II , 1996 , 285
Copyright
Copyright © Materials Research Society 1997

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References

REFRENCES

1. Hono, K., Hiraga, K., Wang, Q., Inoue, A. and Sakurai, T., Surface Science 266 285 (1992)Google Scholar
2. Kataoka, N., Inoue, A., Masumoto, T., Yoshizawa, Y. and Yamauchi, K., Jpn. J. Appl. Phys., 28(10) L1820 (1989)Google Scholar
3. van. Bouwelen, F.M., Sietsma, J. and van. dan. Beukel, A., J. Non-Cryst. Sol 156–158 (1993)Google Scholar
4. Yavari, A.R. and Drbohlav, O., Mater. Trans., JIM, 36(7) 896 (1995)Google Scholar
5. Müller, M., Mattern, N. and Illgen, L., J. Mag. Mag. Mat., 112 263 (1992)Google Scholar
6. Müller, M., Mattern, N. and Illgen, L., Magnetically Soft Nanocrystalline Fe, Bd.82 (1991) H.12, 895 Google Scholar
7. Brand, R.A., 1990 NORMOS Program version 1990 Google Scholar
8. Hesse, J. and Rubartsch, A., J. Phys. E: Dci. Instrum, 7 526 (1974)Google Scholar
9. Málek, J., thermachimica Acta. 267 61 (1995)Google Scholar
10. Clavaguere, N., J. Non-crys. Solids, 162 40 (1993)Google Scholar
11. Rixecker, G., Schaaf, P. and Gonser, U., J. Phys.: Condens. Matter, 4 10295 (1992)Google Scholar
12. Ueda, Y., Ikeda, S. and Minami, K., Mater. Sci. Eng., A179/A189 992 (1994)Google Scholar
13. Köster, U., Schünemamm, U., Blank-Bewerdoríf, M., Bauer, S., Sutton, M. and Stephenson, G. B., Mater. Sei. Eng., A133 61 (1991)Google Scholar
14. Pearson, W.B., A Handbook of Lattice spacings and Structures of Metals and Alloys Pergamon Press. Oxford 1964 Google Scholar
15. Bo Zorth, R.M, Ferromagnetism, Van Northerland New York, 1951 Google Scholar
16. Khalaff, K. and Schubert, J., J. Less-Common Met., 35 341 (1974)Google Scholar
17. Waniewska, A.A., Gutowski, M., Kuzminski, M. and Dynowska, E., Nanophase Materials, edited by Hdjipanayis, G.C. and Siegel, R.W., p. 721 Google Scholar
18. Swann, P.R., Granä, L. and Lethins, B., Met. Sci., 9 90 (1975)Google Scholar
19. Bigot, J., Lecaude, N., Perron, J.C., Milan, C., Remiarinjaona, C. and Rialland, J.F., J. Mag. Mag. Mat., 133 299 (1994)Google Scholar
20. Gaffet, E., J. Alloys and Comp., 194 339 (1993)Google Scholar
21. Pradell, T., Clavaguera, N., Zhu, J., and Mora, M.T., J. Phys.: Condens. Matter, 7 4129 (1995)Google Scholar
22. Pradell, T., Clavaguera, N., Zhu, J., and Mora, M.T., Conference Proc, of ICAMA-95. Rimini, Italy, 1995, p409 Google Scholar
23. Rixecker, G., Schaaf, P. and Gonser, U., phys. sol. sta.(a), 139 309 (1993)Google Scholar