Amorphous and nanostructured Al–Fe–Nd powders obtained by gas atomization
In this work, an Al 90Fe 5Nd 5 alloy was atomized and its microstructure, thermal stability, transformation sequence and microhardness investigated as a function of powder particle size. The atomized powder contained on average a 25% volume fraction of amorphous materials, reaching 42% in the
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2001-09, Vol.315 (1), p.89-97 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Cardoso, K.R Escorial, A.Garcı́a Lieblich, M Botta F, W.J |
| description | In this work, an Al
90Fe
5Nd
5 alloy was atomized and its microstructure, thermal stability, transformation sequence and microhardness investigated as a function of powder particle size. The atomized powder contained on average a 25% volume fraction of amorphous materials, reaching 42% in the |
| doi_str_mv | 10.1016/S0921-5093(01)01197-2 |
| format | Article |
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90Fe
5Nd
5 alloy was atomized and its microstructure, thermal stability, transformation sequence and microhardness investigated as a function of powder particle size. The atomized powder contained on average a 25% volume fraction of amorphous materials, reaching 42% in the <25 μm size range. With thermal treatments the material evolved through three exothermic reactions, which involved the formation of a nanostructured state Fe- and Nd-enriched amorphous matrix+fcc-Al nanocrystals at 240°C, the formation of a metastable ternary phase at 360°C and, finally, the formation of the equilibrium Al
10Fe
2Nd and Al
11Nd
3 phases. The high thermal stability of the amorphous+fcc-Al nanostructured state, 120°C, and the high hardness, 280 Hv, of this alloy make it a good candidate for consolidate bulk material for technological applications.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/S0921-5093(01)01197-2</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aluminium ; Amorphous ; Applied sciences ; Atomization ; Exact sciences and technology ; Metal powders ; Metals. Metallurgy ; Nanostructure ; Powder metallurgy. Composite materials ; Production techniques</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2001-09, Vol.315 (1), p.89-97</ispartof><rights>2001 Elsevier Science B.V.</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3672-9b36c5a1020282092cab42206ab6b37cffc3d6860792ad51c568f4a3389d3b033</citedby><cites>FETCH-LOGICAL-c3672-9b36c5a1020282092cab42206ab6b37cffc3d6860792ad51c568f4a3389d3b033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0921-5093(01)01197-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14102514$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cardoso, K.R</creatorcontrib><creatorcontrib>Escorial, A.Garcı́a</creatorcontrib><creatorcontrib>Lieblich, M</creatorcontrib><creatorcontrib>Botta F, W.J</creatorcontrib><title>Amorphous and nanostructured Al–Fe–Nd powders obtained by gas atomization</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>In this work, an Al
90Fe
5Nd
5 alloy was atomized and its microstructure, thermal stability, transformation sequence and microhardness investigated as a function of powder particle size. The atomized powder contained on average a 25% volume fraction of amorphous materials, reaching 42% in the <25 μm size range. With thermal treatments the material evolved through three exothermic reactions, which involved the formation of a nanostructured state Fe- and Nd-enriched amorphous matrix+fcc-Al nanocrystals at 240°C, the formation of a metastable ternary phase at 360°C and, finally, the formation of the equilibrium Al
10Fe
2Nd and Al
11Nd
3 phases. The high thermal stability of the amorphous+fcc-Al nanostructured state, 120°C, and the high hardness, 280 Hv, of this alloy make it a good candidate for consolidate bulk material for technological applications.</description><subject>Aluminium</subject><subject>Amorphous</subject><subject>Applied sciences</subject><subject>Atomization</subject><subject>Exact sciences and technology</subject><subject>Metal powders</subject><subject>Metals. Metallurgy</subject><subject>Nanostructure</subject><subject>Powder metallurgy. Composite materials</subject><subject>Production techniques</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkLFOwzAQhi0EEqXwCEhZQDAEznbiJBOqKgpIBQZgthzbAaMkDnYCKhPvwBvyJLgtgpHlbrjvv_vvR2gfwwkGzE7voCA4TqGgR4CPAeMii8kGGuE8o3FSULaJRr_INtrx_hkAcALpCF1PGuu6Jzv4SLQqakVrfe8G2Q9Oq2hSf318znQoNyrq7JvSzke27IVpw7RcRI8i6HrbmHfRG9vuoq1K1F7v_fQxepid308v4_ntxdV0Mo8lZRmJi5IymQoMBEhOgjUpyoQQYKJkJc1kVUmqWM4gK4hQKZYpy6tEUJoXipZA6Rgdrvd2zr4M2ve8MV7quhatDq9wwnLIKM4DmK5B6az3Tle8c6YRbsEx8GV4fBUeXybDAfNVeJwE3cHPAeGlqCsnWmn8nzgJ3lOcBO5szenw7avRjntpdCu1Mk7Lnitr_rn0DV4MhH0</recordid><startdate>20010930</startdate><enddate>20010930</enddate><creator>Cardoso, K.R</creator><creator>Escorial, A.Garcı́a</creator><creator>Lieblich, M</creator><creator>Botta F, W.J</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20010930</creationdate><title>Amorphous and nanostructured Al–Fe–Nd powders obtained by gas atomization</title><author>Cardoso, K.R ; Escorial, A.Garcı́a ; Lieblich, M ; Botta F, W.J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3672-9b36c5a1020282092cab42206ab6b37cffc3d6860792ad51c568f4a3389d3b033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Aluminium</topic><topic>Amorphous</topic><topic>Applied sciences</topic><topic>Atomization</topic><topic>Exact sciences and technology</topic><topic>Metal powders</topic><topic>Metals. Metallurgy</topic><topic>Nanostructure</topic><topic>Powder metallurgy. Composite materials</topic><topic>Production techniques</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cardoso, K.R</creatorcontrib><creatorcontrib>Escorial, A.Garcı́a</creatorcontrib><creatorcontrib>Lieblich, M</creatorcontrib><creatorcontrib>Botta F, W.J</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cardoso, K.R</au><au>Escorial, A.Garcı́a</au><au>Lieblich, M</au><au>Botta F, W.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Amorphous and nanostructured Al–Fe–Nd powders obtained by gas atomization</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2001-09-30</date><risdate>2001</risdate><volume>315</volume><issue>1</issue><spage>89</spage><epage>97</epage><pages>89-97</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>In this work, an Al
90Fe
5Nd
5 alloy was atomized and its microstructure, thermal stability, transformation sequence and microhardness investigated as a function of powder particle size. The atomized powder contained on average a 25% volume fraction of amorphous materials, reaching 42% in the <25 μm size range. With thermal treatments the material evolved through three exothermic reactions, which involved the formation of a nanostructured state Fe- and Nd-enriched amorphous matrix+fcc-Al nanocrystals at 240°C, the formation of a metastable ternary phase at 360°C and, finally, the formation of the equilibrium Al
10Fe
2Nd and Al
11Nd
3 phases. The high thermal stability of the amorphous+fcc-Al nanostructured state, 120°C, and the high hardness, 280 Hv, of this alloy make it a good candidate for consolidate bulk material for technological applications.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-5093(01)01197-2</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2001-09, Vol.315 (1), p.89-97 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Aluminium Amorphous Applied sciences Atomization Exact sciences and technology Metal powders Metals. Metallurgy Nanostructure Powder metallurgy. Composite materials Production techniques |
| title | Amorphous and nanostructured Al–Fe–Nd powders obtained by gas atomization |
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