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Title: Magnetic properties of FeCu (3 d transition metals) SiB alloys with fine grain structure

Abstract

Soft magnetic properties were investigated together with crystallization process and grain size for FeCu (3{ital d} transition metals) SiB alloys with fine grains. They were rapidly quenched from the melt to achieve amorphous states and then annealed above their crystallization temperatures. In the group of 3{ital d} transition metals studied, low magnetic core loss at high frequency was obtained for V-substituted Fe-based alloys, because only a bcc Fe solid solution with diameter of about 20 nm precipitated. On the other hand, Cr- or Mn-substituted alloys could not be attained with good soft magnetic properties because of the existence of Fe-metalloid compounds besides the bcc phase by annealing above their crystallization temperatures. The effect of grain size on the soft magnetic properties is more prominent at lower frequency. Diffraction peaks which are characteristics of an ordered phase (DO{sub 3}) are observed, which is the origin of excellent soft magnetic properties in FeAlSi alloys.

Authors:
 [1];  [2]
  1. New Materials Engineering Laboratory, Toshiba Corporation, Yokohama 235, Japan (JP)
  2. Metal Product Division, Toshiba Corporation, Yokohama 235 (Japan)
Publication Date:
OSTI Identifier:
7123599
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics; (USA)
Additional Journal Information:
Journal Volume: 67:9; Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; BORON ALLOYS; GRAIN SIZE; MAGNETIC PROPERTIES; COPPER ALLOYS; IRON ALLOYS; SILICON ALLOYS; TRANSITION ELEMENT ALLOYS; CRYSTALLIZATION; GRANULAR MATERIALS; QUENCHING; TRANSMISSION ELECTRON MICROSCOPY; X-RAY DIFFRACTION; ALLOYS; COHERENT SCATTERING; CRYSTAL STRUCTURE; DIFFRACTION; ELECTRON MICROSCOPY; MATERIALS; MICROSCOPY; MICROSTRUCTURE; PHASE TRANSFORMATIONS; PHYSICAL PROPERTIES; SCATTERING; SIZE; 360104* - Metals & Alloys- Physical Properties

Citation Formats

Sawa, T, and Takahashi, Y. Magnetic properties of FeCu (3 d transition metals) SiB alloys with fine grain structure. United States: N. p., 1990. Web. doi:10.1063/1.345886.
Sawa, T, & Takahashi, Y. Magnetic properties of FeCu (3 d transition metals) SiB alloys with fine grain structure. United States. doi:10.1063/1.345886.
Sawa, T, and Takahashi, Y. Tue . "Magnetic properties of FeCu (3 d transition metals) SiB alloys with fine grain structure". United States. doi:10.1063/1.345886.
@article{osti_7123599,
title = {Magnetic properties of FeCu (3 d transition metals) SiB alloys with fine grain structure},
author = {Sawa, T and Takahashi, Y},
abstractNote = {Soft magnetic properties were investigated together with crystallization process and grain size for FeCu (3{ital d} transition metals) SiB alloys with fine grains. They were rapidly quenched from the melt to achieve amorphous states and then annealed above their crystallization temperatures. In the group of 3{ital d} transition metals studied, low magnetic core loss at high frequency was obtained for V-substituted Fe-based alloys, because only a bcc Fe solid solution with diameter of about 20 nm precipitated. On the other hand, Cr- or Mn-substituted alloys could not be attained with good soft magnetic properties because of the existence of Fe-metalloid compounds besides the bcc phase by annealing above their crystallization temperatures. The effect of grain size on the soft magnetic properties is more prominent at lower frequency. Diffraction peaks which are characteristics of an ordered phase (DO{sub 3}) are observed, which is the origin of excellent soft magnetic properties in FeAlSi alloys.},
doi = {10.1063/1.345886},
journal = {Journal of Applied Physics; (USA)},
issn = {0021-8979},
number = ,
volume = 67:9,
place = {United States},
year = {1990},
month = {5}
}