Hf-Co and Zr-Co alloys for rare-earth-free permanent magnets
The structural and magnetic properties of nanostructured Co-rich transition-metal alloys, Co100−xTMx (TM = Hf, Zr and 10 ≤ x ≤ 18), were investigated. The alloys were prepared under non-equilibrium conditions using cluster-deposition and/or melt-spinning methods. The high-anisotropy HfCo7 and Zr2Co1...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2014-02, Vol.26 (6), p.064204-064204 |
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| container_end_page | 064204 |
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| container_issue | 6 |
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| container_title | Journal of physics. Condensed matter |
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| creator | Balamurugan, B Das, B Zhang, W Y Skomski, R Sellmyer, D J |
| description | The structural and magnetic properties of nanostructured Co-rich transition-metal alloys, Co100−xTMx (TM = Hf, Zr and 10 ≤ x ≤ 18), were investigated. The alloys were prepared under non-equilibrium conditions using cluster-deposition and/or melt-spinning methods. The high-anisotropy HfCo7 and Zr2Co11 structures were formed for a rather broad composition region as compared to the equilibrium bulk phase diagrams, and exhibit high Curie temperatures of above 750 K. The composition, crystal structure, particle size, and easy-axis distribution were precisely controlled to achieve a substantial coercivity and magnetization in the nanostructured alloys. This translates into high energy products in the range of about 4.3-12.6 MGOe, which are comparable to those of alnico. |
| doi_str_mv | 10.1088/0953-8984/26/6/064204 |
| format | Article |
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The alloys were prepared under non-equilibrium conditions using cluster-deposition and/or melt-spinning methods. The high-anisotropy HfCo7 and Zr2Co11 structures were formed for a rather broad composition region as compared to the equilibrium bulk phase diagrams, and exhibit high Curie temperatures of above 750 K. The composition, crystal structure, particle size, and easy-axis distribution were precisely controlled to achieve a substantial coercivity and magnetization in the nanostructured alloys. 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This translates into high energy products in the range of about 4.3-12.6 MGOe, which are comparable to those of alnico.</description><subject>Alloys</subject><subject>Alloys - chemistry</subject><subject>Cobalt - chemistry</subject><subject>Condensed matter</subject><subject>Hafnium</subject><subject>Hafnium - chemistry</subject><subject>Hafnium base alloys</subject><subject>Magnetization</subject><subject>Magnets - chemistry</subject><subject>Melt spinning</subject><subject>Metals, Heavy - chemistry</subject><subject>Nanoparticles - chemistry</subject><subject>Nanostructure</subject><subject>Nanotechnology</subject><subject>Particle Size</subject><subject>Zirconium - chemistry</subject><subject>Zirconium base alloys</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1LxDAQhoMo7rr6E5SexEtsvpom4EUWdQXBi4J4Cdl2qru0TU3aw_57W7suHkRPM4dn5n15EDql5JISpWKiE46VViJmMpYxkYIRsYemlEuKpVAv-2i6YyboKIQ1IUQoLg7RhAkhlZZsiq4WBZ67yNZ59Oq_trJ0mxAVzkfeesBgffuOCw8QNeArW0PdRpV9q6ENx-igsGWAk-2coefbm6f5Aj883t3Prx9wJhRtsRYUciCSFkxRqyHjOi-4tIqntK-4tJLIXBUpsJSrLEkza7kWPGc6ZbDMEz5DF-PfxruPDkJrqlXIoCz7Nq4LhsqE8pRomf6PJpwJpUg6oMmIZt6F4KEwjV9V1m8MJWZwbAZ_ZvBnmDTSjI77u7NtRLesIN9dfUvtgfMRWLnGrF3n616OyaqfX0zTK5gh-gv4d_onqSmQTw</recordid><startdate>20140212</startdate><enddate>20140212</enddate><creator>Balamurugan, B</creator><creator>Das, B</creator><creator>Zhang, W Y</creator><creator>Skomski, R</creator><creator>Sellmyer, D J</creator><general>IOP Publishing</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140212</creationdate><title>Hf-Co and Zr-Co alloys for rare-earth-free permanent magnets</title><author>Balamurugan, B ; Das, B ; Zhang, W Y ; Skomski, R ; Sellmyer, D J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c481t-941ede061f281a9ec39df36a8371095ba606d8f7e2738c57caa3943d2972ebd53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Alloys</topic><topic>Alloys - chemistry</topic><topic>Cobalt - chemistry</topic><topic>Condensed matter</topic><topic>Hafnium</topic><topic>Hafnium - chemistry</topic><topic>Hafnium base alloys</topic><topic>Magnetization</topic><topic>Magnets - chemistry</topic><topic>Melt spinning</topic><topic>Metals, Heavy - chemistry</topic><topic>Nanoparticles - chemistry</topic><topic>Nanostructure</topic><topic>Nanotechnology</topic><topic>Particle Size</topic><topic>Zirconium - chemistry</topic><topic>Zirconium base alloys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Balamurugan, B</creatorcontrib><creatorcontrib>Das, B</creatorcontrib><creatorcontrib>Zhang, W Y</creatorcontrib><creatorcontrib>Skomski, R</creatorcontrib><creatorcontrib>Sellmyer, D J</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Balamurugan, B</au><au>Das, B</au><au>Zhang, W Y</au><au>Skomski, R</au><au>Sellmyer, D J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hf-Co and Zr-Co alloys for rare-earth-free permanent magnets</atitle><jtitle>Journal of physics. Condensed matter</jtitle><stitle>JPhysCM</stitle><addtitle>J. Phys.: Condens. Matter</addtitle><date>2014-02-12</date><risdate>2014</risdate><volume>26</volume><issue>6</issue><spage>064204</spage><epage>064204</epage><pages>064204-064204</pages><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>The structural and magnetic properties of nanostructured Co-rich transition-metal alloys, Co100−xTMx (TM = Hf, Zr and 10 ≤ x ≤ 18), were investigated. The alloys were prepared under non-equilibrium conditions using cluster-deposition and/or melt-spinning methods. The high-anisotropy HfCo7 and Zr2Co11 structures were formed for a rather broad composition region as compared to the equilibrium bulk phase diagrams, and exhibit high Curie temperatures of above 750 K. The composition, crystal structure, particle size, and easy-axis distribution were precisely controlled to achieve a substantial coercivity and magnetization in the nanostructured alloys. This translates into high energy products in the range of about 4.3-12.6 MGOe, which are comparable to those of alnico.</abstract><cop>England</cop><pub>IOP Publishing</pub><pmid>24468962</pmid><doi>10.1088/0953-8984/26/6/064204</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Alloys Alloys - chemistry Cobalt - chemistry Condensed matter Hafnium Hafnium - chemistry Hafnium base alloys Magnetization Magnets - chemistry Melt spinning Metals, Heavy - chemistry Nanoparticles - chemistry Nanostructure Nanotechnology Particle Size Zirconium - chemistry Zirconium base alloys |
| title | Hf-Co and Zr-Co alloys for rare-earth-free permanent magnets |
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