Mossbauer Spectra of the Fe-Ni Invar Alloys under the Influence of Non-Hydrostatic Stress
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概要
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The Fe-Ni Invar alloys under the action of non-hydrostatic stress were studied by means of the Mossbauer spectroscopy. The unidirectional tension or shearing stress induces broadening of the spectrum. According to our calculation, this behavior implies a change in the distribution of hyperfine fields in the alloy. Furthermore, the irreversible alloys with strong internal-stress caused by many transformation-cycles α⇄γ were examined; a paramagnetic-like peak is developed from the ferromagnetic peaks of the α-phase alloy, whereas ferromagnetic peaks are born from the paramagnetic-like spectrum of the γ-phase alloy. There should be some distorted or intermaediate structures between b.c.c. and f.c.c. lattices, to which the anomalous properties of these alloys may be attributed.
- 社団法人日本物理学会の論文
- 1974-03-15
著者
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Arai Juichiro
Department Of Physics Faculty Of Science And Technology Science University
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Tino Yosiaki
Department Of Physics Faculty Of Science Science University Of Tokyo
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