Effect of the milling conditions on the formation of nanostructured Fe-Co powders
Identifieur interne : 000153 ( France/Analysis ); précédent : 000152; suivant : 000154Effect of the milling conditions on the formation of nanostructured Fe-Co powders
Auteurs : Safia Alleg [Algérie] ; FATIMA ZOHRA BENTAYEB [Algérie] ; Rachid Bensalem [Algérie] ; Chafia Djebbari [Algérie] ; Lotfi Bessais [France] ; Jean Marc Greneche [France]Source :
- Physica status solidi. A, Applications and materials science : (Print) [ 1862-6300 ] ; 2008.
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- Pascal (Inist)
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Abstract
Nanostructured Fe-12Co (wt%) powders were prepared by mechanical alloying in a planetary ball mill. The milling process was carried out at different milling conditions, The obtained powders were characterized by X-ray diffraction, 57 Fe Mössbauer spectrometry and magnetic measurements. The low and high speed ball-milling conditions lead to the formation of a single and two-bcc Fe(Co) structure, respectively, having different crystallite sizes, microstrains hyperfine parameters and magnetic properties. The average hyperfine magnetic field values: 1 34.8 T and 2 =28.2 T of the two-bcc Fe(Co) structure could be attributed to the nanocrystalline grains and to the grain boundaries, respectively.
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Pascal:08-0427548Le document en format XML
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uniqKey="Fatima Zohra Bentayeb" last="Fatima Zohra Bentayeb">FATIMA ZOHRA BENTAYEB</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Magnétisme et de Spectroscopie des Solides, Département de Physique, Faculté des Sciences, Université de Annaba, B.P. 12</s1><s2>23000 Annaba</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>23000 Annaba</wicri:noRegion></affiliation></author><author><name sortKey="Bensalem, Rachid" sort="Bensalem, Rachid" uniqKey="Bensalem R" first="Rachid" last="Bensalem">Rachid Bensalem</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Magnétisme et de Spectroscopie des Solides, Département de Physique, Faculté des Sciences, Université de Annaba, B.P. 12</s1><s2>23000 Annaba</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>23000 Annaba</wicri:noRegion></affiliation></author><author><name sortKey="Djebbari, Chafia" sort="Djebbari, Chafia" uniqKey="Djebbari C" first="Chafia" last="Djebbari">Chafia Djebbari</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Magnétisme et de Spectroscopie des Solides, Département de Physique, Faculté des Sciences, Université de Annaba, B.P. 12</s1><s2>23000 Annaba</s2><s3>DZA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Algérie</country><wicri:noRegion>23000 Annaba</wicri:noRegion></affiliation></author><author><name sortKey="Bessais, Lotfi" sort="Bessais, Lotfi" uniqKey="Bessais L" first="Lotfi" last="Bessais">Lotfi Bessais</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>CNRS-Laboratoire de Chimie Métallurgique des Terres Rares-Groupe des Laboratoires de Thiais, 2-8 Rue Henri Durant</s1><s2>94320 Thiais</s2><s3>FRA</s3><sZ>5 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Thiais</settlement></placeName></affiliation></author><author><name sortKey="Marc Greneche, Jean" sort="Marc Greneche, Jean" uniqKey="Marc Greneche J" first="Jean" last="Marc Greneche">Jean Marc Greneche</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Laboratoire de Physique de l'Etat Condensé, UMR CNRS 6087, Université du Maine</s1><s2>72085 Le Mans</s2><s3>FRA</s3><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Pays de la Loire</region><settlement type="city">Le Mans</settlement></placeName><orgName type="university">Université du Maine</orgName></affiliation></author></analytic><series><title level="j" type="main">Physica status solidi. A, Applications and materials science : (Print)</title><title level="j" type="abbreviated">Phys. status solidi, A Appl. mater. sci. : (Print)</title><idno type="ISSN">1862-6300</idno><imprint><date when="2008">2008</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Physica status solidi. A, Applications and materials science : (Print)</title><title level="j" type="abbreviated">Phys. status solidi, A Appl. mater. sci. : (Print)</title><idno type="ISSN">1862-6300</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>BCC lattices</term><term>Ball mill</term><term>Cobalt alloys</term><term>Grain boundaries</term><term>Hyperfine magnetic field</term><term>Iron alloys</term><term>Magnetic measurement</term><term>Magnetic properties</term><term>Mechanical alloying</term><term>Moessbauer effect</term><term>Nanocrystal</term><term>Nanopowder</term><term>Nanostructures</term><term>Planetary mill</term><term>Transition element alloys</term><term>XRD</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Alliage mécanique</term><term>Broyeur satellite</term><term>Broyeur boulet</term><term>Diffraction RX</term><term>Effet Mössbauer</term><term>Propriété magnétique</term><term>Champ magnétique hyperfin</term><term>Joint grain</term><term>Mesure magnétique</term><term>Nanostructure</term><term>Fer alliage</term><term>Réseau cubique centré</term><term>Nanocristal</term><term>Cobalt alliage</term><term>Nanopoudre</term><term>Métal transition alliage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Nanostructured Fe-12Co (wt%) powders were prepared by mechanical alloying in a planetary ball mill. The milling process was carried out at different milling conditions, The obtained powders were characterized by X-ray diffraction, <sup>57</sup> Fe Mössbauer spectrometry and magnetic measurements. The low and high speed ball-milling conditions lead to the formation of a single and two-bcc Fe(Co) structure, respectively, having different crystallite sizes, microstrains hyperfine parameters and magnetic properties. The average hyperfine magnetic field values: <sub>1</sub> 34.8 T and <sub>2</sub> =28.2 T of the two-bcc Fe(Co) structure could be attributed to the nanocrystalline grains and to the grain boundaries, respectively.</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li></country><region><li>Pays de la Loire</li><li>Île-de-France</li></region><settlement><li>Le Mans</li><li>Thiais</li></settlement><orgName><li>Université du Maine</li></orgName></list><tree><country name="Algérie"><noRegion><name sortKey="Alleg, Safia" sort="Alleg, Safia" uniqKey="Alleg S" first="Safia" last="Alleg">Safia Alleg</name></noRegion><name sortKey="Bensalem, Rachid" sort="Bensalem, Rachid" uniqKey="Bensalem R" first="Rachid" last="Bensalem">Rachid Bensalem</name><name sortKey="Djebbari, Chafia" sort="Djebbari, Chafia" uniqKey="Djebbari C" first="Chafia" last="Djebbari">Chafia Djebbari</name><name sortKey="Fatima Zohra Bentayeb" sort="Fatima Zohra Bentayeb" uniqKey="Fatima Zohra Bentayeb" last="Fatima Zohra Bentayeb">FATIMA ZOHRA BENTAYEB</name></country><country name="France"><region name="Île-de-France"><name sortKey="Bessais, Lotfi" sort="Bessais, Lotfi" uniqKey="Bessais L" first="Lotfi" last="Bessais">Lotfi Bessais</name></region><name sortKey="Marc Greneche, Jean" sort="Marc Greneche, Jean" uniqKey="Marc Greneche J" first="Jean" last="Marc Greneche">Jean Marc Greneche</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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