Shock Consolidation of Sm-Fe-N Magnetic Powders and Magnetic Properties
Sm2Fe17Nx compound is a prospective candidate as a material for high performance permanent magnets because of its good intrinsic magnetic properties with a Curie temperature of 747K, a room-temperature anisotropy field of 14T and a room-temperature saturation magnetization of 1.5T. However, Sm2Fe17N...
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| Veröffentlicht in: | Materials science forum 2004-03, Vol.449-452, p.1037-1040 |
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| container_title | Materials science forum |
| container_volume | 449-452 |
| creator | Maeda, Tomoyuki Watanabe, T. Chiba, Akira Kakimoto, E. Morizono, Yasuhiro Kozuka, T. Ooyabu, K. Kawahara, Koichi Sugimoto, Shinya |
| description | Sm2Fe17Nx compound is a prospective candidate as a material for high performance
permanent magnets because of its good intrinsic magnetic properties with a Curie temperature
of 747K, a room-temperature anisotropy field of 14T and a room-temperature saturation
magnetization of 1.5T. However, Sm2Fe17Nx compound decomposes to -Fe and Sm nitride
above 873K and conventional powder metallurgy processing techniques fail to meet the
processing requirements. Shock consolidation is a viable alternative to process this compound.
Fully dense Sm2Fe17Nx bulk materials were fabricated by cylindrical explosive consolidation
technique using water as a pressure transmitting medium. Explosive consolidation is
performed under cold state and fully dense materials can be obtained without any degradation
of the characteristics of the powder states. Sound compacts were obtained without any cracks
or teas, and the value of (BH)max of Sm2Fe17Nx compact is 23.8 MGOe. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.449-452.1037 |
| format | Article |
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permanent magnets because of its good intrinsic magnetic properties with a Curie temperature
of 747K, a room-temperature anisotropy field of 14T and a room-temperature saturation
magnetization of 1.5T. However, Sm2Fe17Nx compound decomposes to -Fe and Sm nitride
above 873K and conventional powder metallurgy processing techniques fail to meet the
processing requirements. Shock consolidation is a viable alternative to process this compound.
Fully dense Sm2Fe17Nx bulk materials were fabricated by cylindrical explosive consolidation
technique using water as a pressure transmitting medium. Explosive consolidation is
performed under cold state and fully dense materials can be obtained without any degradation
of the characteristics of the powder states. Sound compacts were obtained without any cracks
or teas, and the value of (BH)max of Sm2Fe17Nx compact is 23.8 MGOe.</description><identifier>ISSN: 0255-5476</identifier><identifier>ISSN: 1662-9752</identifier><identifier>EISSN: 1662-9752</identifier><identifier>DOI: 10.4028/www.scientific.net/MSF.449-452.1037</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Materials science forum, 2004-03, Vol.449-452, p.1037-1040</ispartof><rights>2004 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c440t-d8d502967aae07cf2fdc0ac0c86b9ebf6e2dcf6e5cf9955e6a48504b9dd316053</citedby><cites>FETCH-LOGICAL-c440t-d8d502967aae07cf2fdc0ac0c86b9ebf6e2dcf6e5cf9955e6a48504b9dd316053</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/489?width=600</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Maeda, Tomoyuki</creatorcontrib><creatorcontrib>Watanabe, T.</creatorcontrib><creatorcontrib>Chiba, Akira</creatorcontrib><creatorcontrib>Kakimoto, E.</creatorcontrib><creatorcontrib>Morizono, Yasuhiro</creatorcontrib><creatorcontrib>Kozuka, T.</creatorcontrib><creatorcontrib>Ooyabu, K.</creatorcontrib><creatorcontrib>Kawahara, Koichi</creatorcontrib><creatorcontrib>Sugimoto, Shinya</creatorcontrib><title>Shock Consolidation of Sm-Fe-N Magnetic Powders and Magnetic Properties</title><title>Materials science forum</title><description>Sm2Fe17Nx compound is a prospective candidate as a material for high performance
permanent magnets because of its good intrinsic magnetic properties with a Curie temperature
of 747K, a room-temperature anisotropy field of 14T and a room-temperature saturation
magnetization of 1.5T. However, Sm2Fe17Nx compound decomposes to -Fe and Sm nitride
above 873K and conventional powder metallurgy processing techniques fail to meet the
processing requirements. Shock consolidation is a viable alternative to process this compound.
Fully dense Sm2Fe17Nx bulk materials were fabricated by cylindrical explosive consolidation
technique using water as a pressure transmitting medium. Explosive consolidation is
performed under cold state and fully dense materials can be obtained without any degradation
of the characteristics of the powder states. Sound compacts were obtained without any cracks
or teas, and the value of (BH)max of Sm2Fe17Nx compact is 23.8 MGOe.</description><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqVkF1LwzAYhYMoOKf_oVfeSLs0TdL2Uso2hU2F6XXI8uEyu2QmGcV_b8YEvfXmPfByeOA8ANyVsMAQNZNhGIogjLLRaCMKq-JkuZoVGLc5JqgoYVWfgVFJKcrbmqBzMIKIkJzgml6CqxC2EFZlU9IRmK82TnxknbPB9UbyaJzNnM5Wu3ym8qdsyd8T3YjsxQ1S-ZBxK_88vdsrH40K1-BC8z6om58cg7fZ9LV7yBfP88fufpELjGHMZSMJRC2tOVewFhppKSAXUDR03aq1pgpJkS4Rum0JUZTjhkC8bqWsSgpJNQa3J-7eu8-DCpHtTBCq77lV7hAYaqq6pKhOxe5UFN6F4JVme2923H-xErKjRJYksl-JLC1iSSJLElmSyI4SE2V6okTPbYhKbNjWHbxNE__F-QYkLIYx</recordid><startdate>20040315</startdate><enddate>20040315</enddate><creator>Maeda, Tomoyuki</creator><creator>Watanabe, T.</creator><creator>Chiba, Akira</creator><creator>Kakimoto, E.</creator><creator>Morizono, Yasuhiro</creator><creator>Kozuka, T.</creator><creator>Ooyabu, K.</creator><creator>Kawahara, Koichi</creator><creator>Sugimoto, Shinya</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20040315</creationdate><title>Shock Consolidation of Sm-Fe-N Magnetic Powders and Magnetic Properties</title><author>Maeda, Tomoyuki ; Watanabe, T. ; Chiba, Akira ; Kakimoto, E. ; Morizono, Yasuhiro ; Kozuka, T. ; Ooyabu, K. ; Kawahara, Koichi ; Sugimoto, Shinya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c440t-d8d502967aae07cf2fdc0ac0c86b9ebf6e2dcf6e5cf9955e6a48504b9dd316053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Maeda, Tomoyuki</creatorcontrib><creatorcontrib>Watanabe, T.</creatorcontrib><creatorcontrib>Chiba, Akira</creatorcontrib><creatorcontrib>Kakimoto, E.</creatorcontrib><creatorcontrib>Morizono, Yasuhiro</creatorcontrib><creatorcontrib>Kozuka, T.</creatorcontrib><creatorcontrib>Ooyabu, K.</creatorcontrib><creatorcontrib>Kawahara, Koichi</creatorcontrib><creatorcontrib>Sugimoto, Shinya</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science forum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Maeda, Tomoyuki</au><au>Watanabe, T.</au><au>Chiba, Akira</au><au>Kakimoto, E.</au><au>Morizono, Yasuhiro</au><au>Kozuka, T.</au><au>Ooyabu, K.</au><au>Kawahara, Koichi</au><au>Sugimoto, Shinya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shock Consolidation of Sm-Fe-N Magnetic Powders and Magnetic Properties</atitle><jtitle>Materials science forum</jtitle><date>2004-03-15</date><risdate>2004</risdate><volume>449-452</volume><spage>1037</spage><epage>1040</epage><pages>1037-1040</pages><issn>0255-5476</issn><issn>1662-9752</issn><eissn>1662-9752</eissn><abstract>Sm2Fe17Nx compound is a prospective candidate as a material for high performance
permanent magnets because of its good intrinsic magnetic properties with a Curie temperature
of 747K, a room-temperature anisotropy field of 14T and a room-temperature saturation
magnetization of 1.5T. However, Sm2Fe17Nx compound decomposes to -Fe and Sm nitride
above 873K and conventional powder metallurgy processing techniques fail to meet the
processing requirements. Shock consolidation is a viable alternative to process this compound.
Fully dense Sm2Fe17Nx bulk materials were fabricated by cylindrical explosive consolidation
technique using water as a pressure transmitting medium. Explosive consolidation is
performed under cold state and fully dense materials can be obtained without any degradation
of the characteristics of the powder states. Sound compacts were obtained without any cracks
or teas, and the value of (BH)max of Sm2Fe17Nx compact is 23.8 MGOe.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.449-452.1037</doi><tpages>4</tpages></addata></record> |
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| source | Scientific.net Journals |
| title | Shock Consolidation of Sm-Fe-N Magnetic Powders and Magnetic Properties |
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