Structural and microstructural properties of nanocrystalline Cu-Fe-Ni powders produced by mechanical alloying
Identifieur interne : 000099 ( Main/Exploration ); précédent : 000098; suivant : 000100Structural and microstructural properties of nanocrystalline Cu-Fe-Ni powders produced by mechanical alloying
Auteurs : M. Slimi [Tunisie] ; M. Azabou [Tunisie] ; L. Escoda [Espagne] ; J. J. Sunol [Espagne] ; M. Khitouni [Tunisie]Source :
- Powder technology [ 0032-5910 ] ; 2014.
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Abstract
A nanostructured disordered copper-iron-nickel alloy having the (Cu60Fe40)70Ni30 composition was prepared through the mechanical alloying of the elemental powders in a high-energy ball mill under an argon atmosphere. The structural and morphological evolutions during mechanical alloying were investigated by X-ray diffraction and scanning electron microscopy. The patterns obtained were analyzed using the MAUD program. The transformation of the phase depended on the alloying time. The final product of the mechanical alloying process was nanocrystalline double-phase FCC-Cu(Fe,Ni) and BCC-Fe(Ni) solid solutions with a mean crystallite size in the range of few nanometers. The dislocation densities were found to be 6 × 1015 m-2, and the strain hardening caused by high-energy mechanical alloying was consistent with the concept of dislocations.
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Slimi</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Inorganique, UR-11ES-73, Faculté des Sciences de Sfax, Université de Sfax</s1><s2>1171, 3000-Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>1171, 3000-Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Azabou, M" sort="Azabou, M" uniqKey="Azabou M" first="M." last="Azabou">M. Azabou</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Inorganique, UR-11ES-73, Faculté des Sciences de Sfax, Université de Sfax</s1><s2>1171, 3000-Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>1171, 3000-Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Escoda, L" sort="Escoda, L" uniqKey="Escoda L" first="L." last="Escoda">L. Escoda</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Dep. de Fisica, Universitat de Girona, Campus Montilivi</s1><s2>Girona 17071</s2><s3>ESP</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName></affiliation></author><author><name sortKey="Sunol, J J" sort="Sunol, J J" uniqKey="Sunol J" first="J. J." last="Sunol">J. J. Sunol</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Dep. de Fisica, Universitat de Girona, Campus Montilivi</s1><s2>Girona 17071</s2><s3>ESP</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>Espagne</country><placeName><region nuts="2" type="communauté">Catalogne</region></placeName></affiliation></author><author><name sortKey="Khitouni, M" sort="Khitouni, M" uniqKey="Khitouni M" first="M." last="Khitouni">M. Khitouni</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire de Chimie Inorganique, UR-11ES-73, Faculté des Sciences de Sfax, Université de Sfax</s1><s2>1171, 3000-Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>1171, 3000-Sfax</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Powder technology</title><title level="j" type="abbreviated">Powder technol.</title><idno type="ISSN">0032-5910</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Powder technology</title><title level="j" type="abbreviated">Powder technol.</title><idno type="ISSN">0032-5910</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ball mill</term><term>Density</term><term>Hardening</term><term>Mechanical alloying</term><term>Microstructure</term><term>Nanostructured materials</term><term>Powder</term><term>Scanning electron microscopy</term><term>Solid solution</term><term>X ray diffraction</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Poudre</term><term>Alliage mécanique</term><term>Broyeur boulet</term><term>Diffraction RX</term><term>Microscopie électronique balayage</term><term>Solution solide</term><term>Densité</term><term>Durcissement</term><term>Nanomatériau</term><term>Microstructure</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A nanostructured disordered copper-iron-nickel alloy having the (Cu<sub>60</sub>Fe<sub>40</sub>)<sub>70</sub>Ni<sub>30</sub> composition was prepared through the mechanical alloying of the elemental powders in a high-energy ball mill under an argon atmosphere. The structural and morphological evolutions during mechanical alloying were investigated by X-ray diffraction and scanning electron microscopy. The patterns obtained were analyzed using the MAUD program. The transformation of the phase depended on the alloying time. The final product of the mechanical alloying process was nanocrystalline double-phase FCC-Cu(Fe,Ni) and BCC-Fe(Ni) solid solutions with a mean crystallite size in the range of few nanometers. The dislocation densities were found to be 6 × 10<sup>15</sup> m<sup>-2</sup>, and the strain hardening caused by high-energy mechanical alloying was consistent with the concept of dislocations.</div></front></TEI><affiliations><list><country><li>Espagne</li><li>Tunisie</li></country><region><li>Catalogne</li></region></list><tree><country name="Tunisie"><noRegion><name sortKey="Slimi, M" sort="Slimi, M" uniqKey="Slimi M" first="M." last="Slimi">M. Slimi</name></noRegion><name sortKey="Azabou, M" sort="Azabou, M" uniqKey="Azabou M" first="M." last="Azabou">M. Azabou</name><name sortKey="Khitouni, M" sort="Khitouni, M" uniqKey="Khitouni M" first="M." last="Khitouni">M. Khitouni</name></country><country name="Espagne"><region name="Catalogne"><name sortKey="Escoda, L" sort="Escoda, L" uniqKey="Escoda L" first="L." last="Escoda">L. Escoda</name></region><name sortKey="Sunol, J J" sort="Sunol, J J" uniqKey="Sunol J" first="J. J." last="Sunol">J. J. Sunol</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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