NMR Study of Sendust and Alperm
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- Watanabe Kiyoshi
- Research Institute for Electric and magnetic Materials
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- Shinohara Takeshi
- Institute for Material Research, Tohoku University
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- Sato Masaki
- Faculty of General Education, Tohoku University
Bibliographic Information
- Other Title
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- センダストおよびアルパームのNMR測定
- センダスト オヨビ アルパーム ノ NMR ソクテイ
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Abstract
The Fe73.74Si16.56Al9.70 (Sendust) and Fe73Al27 (Alperm) alloys with soft magnetic properties were investigated by using a spin-echo method of nuclear magnetic resonance, a magnetic balance and an X-ray diffractometer. The D03-type and B2-type alloys have been made by heat-treatments and the forced process strain.<BR>The NMR spectrum is divided into two different frequency regions of which boundary is around 50 MHz. At the low frequency side, the spectrum with Sendust D03-type shows an intense peak at 18 MHz for 27Al nuclei, the peaks at 28 and 46 MHz for 57Fe nuclei, and a peak at 31 MHz for 21Si nuclei. The spectrum of B2-type shows three peaks at 25, 32 and 40 MHz for 27Al nuclei.<BR>The spectrum of the Alperm D03-type shows an intense peak centered at 29 MHz and two weak peaks for the 27Al nuclei, and a weak peak at 46 MHz for 57Fe nuclei. The spectrum of the B2-type shows a broad peak centering at 36 MHz and two weak peaks for 27Al nuclei. These alloys exhibit peculiar spectra for the different crystal structure types.<BR>At the high frequency side, the spectra of all alloys show a similar broadening distribution. It is considered that aluminum atoms are distributed at several sites depending on the deviation from the stoichiometric composition and disorder arrangements, because the hyperfine field of aluminum is influenced by iron.
Journal
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- Journal of the Japan Institute of Metals and Materials
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Journal of the Japan Institute of Metals and Materials 57 (3), 320-324, 1993
The Japan Institute of Metals and Materials
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Details 詳細情報について
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- CRID
- 1390282681466284672
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- NII Article ID
- 130007340394
- 40002877561
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- NII Book ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL BIB ID
- 3812002
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed