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Study of Alnico 8 by Mössbauer Spectroscopy
Author(s) -
Makabov E. F.,
Povttskii V. A.,
Granovskii E. B.,
Fridman A. A.
Publication year - 1967
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.19670240104
Subject(s) - alnico , alloy , mössbauer spectroscopy , paramagnetism , materials science , tempering , metallurgy , fraction (chemistry) , analytical chemistry (journal) , spectroscopy , mössbauer effect , hyperfine structure , nuclear magnetic resonance , condensed matter physics , magnet , crystallography , atomic physics , chemistry , physics , organic chemistry , chromatography , quantum mechanics
The hard magnetic alloy “alnico 8” is investigated by Mössbauer spectroscopy. Two non‐equivalent positions are found for the Fe atoms in the hardened alloy. After tempering and a magnetic‐field heat treatment cycle (MFT) some of the Fe atoms are found to have a paramagnetic environment. The MFT has the effect of increasing the fraction of the Fe atoms which have such an environment and a maximum value of 7% is obtained for this fraction. The magnetic fields at the Fe 57 nuclei are determined for various states of the alloy. The results are discussed together with the results of Mössbauer investigations of “alnico 5”.

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