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Mossbauer effect in dilute iron alloysThe effects of variable concentration, x, of Aluminum, Germanium, and Lanthanum atoms in Iron lattice on various Mossbauer parameters was studied. Dilute binary alloys of (Fe-Al), (Fe-Ge), (Fe-Al) containing up to x = 2 a/o of the dilute constituent were prepared in the form of ingots and rolled to a thickness of 0.001 in. Mossbauer spectra of these targets were then studied in transmission geometry to measure changes in the hyperfine field, peak widths isomer shifts as well as the ratio of the intensities of peaks (1,6) to the intensities of peaks (2,5). It was shown that the concept of effective hyperfine structure field in very dilute alloys provides a useful means of studying the effects of progressively increasing the solute concentration on host lattice properties.
Document ID
19760007153
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Singh, J. J. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
December 17, 1975
Subject Category
Metallic Materials
Report/Patent Number
NASA-TM-X-72810
Accession Number
76N14241
Funding Number(s)
PROJECT: RTOP 505-02-31-02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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