Effect of boron on structural and magnetic properties of the Fe60Al40 system prepared by mechanical alloying
A new nanostructured system, FeAlB, with high content of boron, was prepared by mechanical alloying in a high-energy ball mill. X-ray diffraction (XRD) and 57Fe MOssbauer spectroscopy were used to study structural and magnetic properties, respectively. Two crystalline phases were found, a majority o...
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| Veröffentlicht in: | Journal of alloys and compounds 2005-08, Vol.398 (1-2), p.26-32 |
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| container_title | Journal of alloys and compounds |
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| creator | RICO, M. M GRENECHE, J. M PEREZ ALCAZAR, G. A |
| description | A new nanostructured system, FeAlB, with high content of boron, was prepared by mechanical alloying in a high-energy ball mill. X-ray diffraction (XRD) and 57Fe MOssbauer spectroscopy were used to study structural and magnetic properties, respectively. Two crystalline phases were found, a majority one corresponding to an FeAl bcc phase and another in low proportion, corresponding to an Fe2B phase type which appears due to the presence of boron. Such a phase is also well observed from MOssbauer spectra. An anisotropic model was applied to fit X-ray patterns, giving evidence of different shapes of the nanocrystalline grains in agreement with the milling process involving both confinement and atomic diffusion. Also it was possible to postulate from both X-ray diffraction and MOssbauer spectrometry that there appears an additional contribution at low hyperfine fields attributed to grain boundaries. This contribution increases as both milling time and boron composition increases. |
| doi_str_mv | 10.1016/j.jallcom.2005.02.029 |
| format | Article |
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Also it was possible to postulate from both X-ray diffraction and MOssbauer spectrometry that there appears an additional contribution at low hyperfine fields attributed to grain boundaries. This contribution increases as both milling time and boron composition increases.</description><identifier>ISSN: 0925-8388</identifier><identifier>EISSN: 1873-4669</identifier><identifier>DOI: 10.1016/j.jallcom.2005.02.029</identifier><language>eng</language><publisher>Lausanne: Elsevier</publisher><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Magnetic properties and materials ; Magnetic resonances and relaxations in condensed matter, mössbauer effect ; Materials science ; Materials synthesis; materials processing ; Mössbauer effect; other γ-ray spectroscopy ; Physics ; Transport properties of condensed matter (nonelectronic)</subject><ispartof>Journal of alloys and compounds, 2005-08, Vol.398 (1-2), p.26-32</ispartof><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c244t-6ee9c410474e3cf9d3efca2fd6219ad75869f8bc01c8f5d65d2f3ad5e630bee53</citedby><cites>FETCH-LOGICAL-c244t-6ee9c410474e3cf9d3efca2fd6219ad75869f8bc01c8f5d65d2f3ad5e630bee53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16885621$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>RICO, M. 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An anisotropic model was applied to fit X-ray patterns, giving evidence of different shapes of the nanocrystalline grains in agreement with the milling process involving both confinement and atomic diffusion. Also it was possible to postulate from both X-ray diffraction and MOssbauer spectrometry that there appears an additional contribution at low hyperfine fields attributed to grain boundaries. 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| ispartof | Journal of alloys and compounds, 2005-08, Vol.398 (1-2), p.26-32 |
| issn | 0925-8388 1873-4669 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Magnetic properties and materials Magnetic resonances and relaxations in condensed matter, mössbauer effect Materials science Materials synthesis materials processing Mössbauer effect other γ-ray spectroscopy Physics Transport properties of condensed matter (nonelectronic) |
| title | Effect of boron on structural and magnetic properties of the Fe60Al40 system prepared by mechanical alloying |
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