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A Study of Point Defects in the B2-Phase Region of the Fe-Al System by Mössbauer Spectroscopy
| Content Provider | Semantic Scholar |
|---|---|
| Author | Hanc, Aneta Kansy, Jerzy Dercz, Grzegorz Pająk, Lucjan Oleszak, Dariusz Mrzigod, Janusz |
| Copyright Year | 2008 |
| Abstract | In this work, we employed the Mössbauer spectroscopy and X-ray powder diffraction in a study of point defect formation in intermetallic phases of the B2 structure of the Fe–Al system as a function of Al concentration. The results are compared with the concentrations of point defect determined from positron annihilation data. In the Mössbauer effect, two types of samples are investigated: Fe–Al alloys with few additives obtained by induction melting and Al-rich metallic powders produced by the self-decomposition method and intensive grinding of high energy in the electro-magneto-mechanical mill. We present the values of the Fe isomer shift and quadrupole splitting for the components describing the point defect in the local environment of a Mössbauer nuclide. The concentration of the Fe vacancies and Fe atoms substituting Al (Fe–AS) are determined. The results showed that an increase in Al content causes an increase in vacancy and Fe–AS concentration. |
| Starting Page | 1555 |
| Ending Page | 1562 |
| Page Count | 8 |
| File Format | PDF HTM / HTML |
| DOI | 10.12693/APhysPolA.114.1555 |
| Alternate Webpage(s) | http://przyrbwn.icm.edu.pl/APP/PDF/114/a114z610.pdf |
| Alternate Webpage(s) | https://doi.org/10.12693/APhysPolA.114.1555 |
| Volume Number | 114 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
