STRUCTURAL CHARACTERISTICS OF A NANOCRYSTALLINE FE-CU-NB-SI-B SOFT-MAGNETIC ALLOY

Citation
Ml. Sui et al., STRUCTURAL CHARACTERISTICS OF A NANOCRYSTALLINE FE-CU-NB-SI-B SOFT-MAGNETIC ALLOY, Materials science & engineering. A, Structural materials: properties, microstructure and processing, 182, 1994, pp. 1405-1409
Citations number
10
Categorie Soggetti
Material Science
ISSN journal
09215093
Volume
182
Year of publication
1994
Pages
1405 - 1409
Database
ISI
SICI code
0921-5093(1994)182:<1405:SCOANF>2.0.ZU;2-H
Abstract
The structures of Fe73.5Cu1Nb3Si13.5B9 alloys annealed in the temperat ure range 400-600-degrees-C for 30 min are investigated by X-ray diffr action and positron annihilation spectroscopy. The grain size and the lattice parameter of the alpha-Fe(Si) phase in the alloys annealed at different temperatures are determined. The variations of the Si conten t in die nanocrystalline alpha-Fe(Si) phase with the annealing tempera tures are obtained for the alloys. With T(a) increasing, the positron lifetime tau1 and the intensity ratio I1/I2 decrease, which indicates that the residual amorphous phase is changed in both composition and s tructure. The relationship between the structural characteristics and the magnetic properties for the alloys is discussed.