Mössbauer and NMR studies of iron-carbon martensite

S. Nasu; T. Takano; F. E. Fujita; Koki Takanashi; H. Yasuoka; H. Adachi

doi:10.1007/BF02061630

Mössbauer and NMR studies of iron-carbon martensite

S. Nasu, T. Takano, F. E. Fujita, Koki Takanashi, H. Yasuoka, H. Adachi

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The atomic arrangements in Fe-C martensite, especially the interstitial carbon positions have been discussed utilizing⁵⁷Fe Mössbauer spectroscopy and¹³C and⁵⁷Fe spin-echo NMR measurements. The experimental result is well explained by the model of two interstices occupancy of carbon in the bct martensite. Especially, the spin-echo spectra by¹³C nuclei showed that two main lines first appear and clear satellite lines gradually rise during the aging at 323K, suggesting the carbon jumps from the tetrahedral to the octahedral interstices and further movements to form a local ordered arrangement.

Original language	English
Pages (from-to)	1071-1074
Number of pages	4
Journal	Hyperfine Interactions
Volume	28
Issue number	1-4
DOIs	https://doi.org/10.1007/BF02061630
Publication status	Published - 1986 Feb 1
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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abstract = "The atomic arrangements in Fe-C martensite, especially the interstitial carbon positions have been discussed utilizing57Fe M{\"o}ssbauer spectroscopy and13C and57Fe spin-echo NMR measurements. The experimental result is well explained by the model of two interstices occupancy of carbon in the bct martensite. Especially, the spin-echo spectra by13C nuclei showed that two main lines first appear and clear satellite lines gradually rise during the aging at 323K, suggesting the carbon jumps from the tetrahedral to the octahedral interstices and further movements to form a local ordered arrangement.",

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AU - Nasu, S.

AU - Takano, T.

AU - Fujita, F. E.

AU - Takanashi, Koki

AU - Yasuoka, H.

AU - Adachi, H.

PY - 1986/2/1

Y1 - 1986/2/1

N2 - The atomic arrangements in Fe-C martensite, especially the interstitial carbon positions have been discussed utilizing57Fe Mössbauer spectroscopy and13C and57Fe spin-echo NMR measurements. The experimental result is well explained by the model of two interstices occupancy of carbon in the bct martensite. Especially, the spin-echo spectra by13C nuclei showed that two main lines first appear and clear satellite lines gradually rise during the aging at 323K, suggesting the carbon jumps from the tetrahedral to the octahedral interstices and further movements to form a local ordered arrangement.

AB - The atomic arrangements in Fe-C martensite, especially the interstitial carbon positions have been discussed utilizing57Fe Mössbauer spectroscopy and13C and57Fe spin-echo NMR measurements. The experimental result is well explained by the model of two interstices occupancy of carbon in the bct martensite. Especially, the spin-echo spectra by13C nuclei showed that two main lines first appear and clear satellite lines gradually rise during the aging at 323K, suggesting the carbon jumps from the tetrahedral to the octahedral interstices and further movements to form a local ordered arrangement.

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Mössbauer and NMR studies of iron-carbon martensite

Abstract

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