Desorption-recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformation
The disproportionated phases of Nd Hx, Fe2B,and a-Fe from Nd2Fe14B were applied to prepare Nd Fe B magnets by two different routes. The results show that the route of annealing in horizontal vacuum sintering furnace cannot reach the purpose of complete recombination after the hot pressing and hot de...
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| Veröffentlicht in: | Rare metals 2015-02, Vol.34 (2), p.89-94 |
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| creator | Yu, Yun-Ping Liu, Ying Li, Jun Zheng, Qing Wang, Ren-Quan |
| description | The disproportionated phases of Nd Hx, Fe2B,and a-Fe from Nd2Fe14B were applied to prepare Nd Fe B magnets by two different routes. The results show that the route of annealing in horizontal vacuum sintering furnace cannot reach the purpose of complete recombination after the hot pressing and hot deformation process due to the lack of dehydrogenation channel. The route of applying low pressure of 4–25 MPa on the as-disproportionated green compact during the desorption recombination process in situ hot deformation in a spark plasma sintering（SPS）system can obtain completely recombined Nd Fe B magnet with good anisotropy and magnetic properties. The maximum magnetic properties,（BH）max= 201 kJ m^-3,Br= 1.142 T and Hcj= 469 k A m^-1, are obtained after being treated for 15 min at 750 ℃ under low pressure. |
| doi_str_mv | 10.1007/s12598-014-0429-6 |
| format | Article |
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The results show that the route of annealing in horizontal vacuum sintering furnace cannot reach the purpose of complete recombination after the hot pressing and hot deformation process due to the lack of dehydrogenation channel. The route of applying low pressure of 4–25 MPa on the as-disproportionated green compact during the desorption recombination process in situ hot deformation in a spark plasma sintering（SPS）system can obtain completely recombined Nd Fe B magnet with good anisotropy and magnetic properties. The maximum magnetic properties,（BH）max= 201 kJ m^-3,Br= 1.142 T and Hcj= 469 k A m^-1, are obtained after being treated for 15 min at 750 ℃ under low pressure.</description><identifier>ISSN: 1001-0521</identifier><identifier>EISSN: 1867-7185</identifier><identifier>DOI: 10.1007/s12598-014-0429-6</identifier><language>eng</language><publisher>Springer Berlin Heidelberg: Nonferrous Metals Society of China</publisher><subject>Biomaterials ; Channels ; Chemistry and Materials Science ; Compacts ; Deformation ; Energy ; Hot pressing ; Low pressure ; Magnetic properties ; Magnets ; Materials Engineering ; Materials Science ; Metallic Materials ; Nanoscale Science and Technology ; Nd2Fe14B ; Phases ; Physical Chemistry ; Spark plasma sintering ; 放电等离子烧结 ; 无变形 ; 歧化 ; 热变形处理 ; 解吸 ; 重组 ; 钕铁硼磁体</subject><ispartof>Rare metals, 2015-02, Vol.34 (2), p.89-94</ispartof><rights>The Nonferrous Metals Society of China and Springer-Verlag Berlin Heidelberg 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-c71a60c288683c595b09615b0f4cdd139e7ea079ce2cdca9c323f1e4466010963</citedby><cites>FETCH-LOGICAL-c446t-c71a60c288683c595b09615b0f4cdd139e7ea079ce2cdca9c323f1e4466010963</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85314X/85314X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12598-014-0429-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12598-014-0429-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Yu, Yun-Ping</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Li, Jun</creatorcontrib><creatorcontrib>Zheng, Qing</creatorcontrib><creatorcontrib>Wang, Ren-Quan</creatorcontrib><title>Desorption-recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformation</title><title>Rare metals</title><addtitle>Rare Met</addtitle><addtitle>Rare Metals</addtitle><description>The disproportionated phases of Nd Hx, Fe2B,and a-Fe from Nd2Fe14B were applied to prepare Nd Fe B magnets by two different routes. 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The maximum magnetic properties,（BH）max= 201 kJ m^-3,Br= 1.142 T and Hcj= 469 k A m^-1, are obtained after being treated for 15 min at 750 ℃ under low pressure.</description><subject>Biomaterials</subject><subject>Channels</subject><subject>Chemistry and Materials Science</subject><subject>Compacts</subject><subject>Deformation</subject><subject>Energy</subject><subject>Hot pressing</subject><subject>Low pressure</subject><subject>Magnetic properties</subject><subject>Magnets</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoscale Science and Technology</subject><subject>Nd2Fe14B</subject><subject>Phases</subject><subject>Physical Chemistry</subject><subject>Spark plasma sintering</subject><subject>放电等离子烧结</subject><subject>无变形</subject><subject>歧化</subject><subject>热变形处理</subject><subject>解吸</subject><subject>重组</subject><subject>钕铁硼磁体</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kLtOxDAQRSMEEs8PoIugoTHMxI4Tl7A8JQQN1JbjTNisduNgZ1fi73EIQoiCxh5rzp25vklyjHCOAMVFwCxXJQMUDESmmNxK9rCUBSuwzLdjDYAM8gx3k_0QFgBCSAl7SXVNwfl-aF3HPFm3qtrOjK-0ornZtM6nrklNYHUbeu9658emGahOn-pbmrmrNIp6Y4eQVh-pp1i1G0prapxffU06THYaswx09H0fJK-3Ny-ze_b4fPcwu3xkNnoZmC3QSLBZWcqS21zlFSiJ8WyErWvkigoyUChLma2tUZZnvEH6-gdGlB8kZ9Pc6PN9TWHQqzZYWi5NR24dNEqpSqFQFBE9_YMu3Np30V2kYj8DyDFSOFHWuxA8Nbr37cr4D42gx9T1lLqOqesxdT2ayCZNTKvt3sj_mvyP6OR70dx1b-9R97NJSsElR17yT2PqkLE</recordid><startdate>20150201</startdate><enddate>20150201</enddate><creator>Yu, Yun-Ping</creator><creator>Liu, Ying</creator><creator>Li, Jun</creator><creator>Zheng, Qing</creator><creator>Wang, Ren-Quan</creator><general>Nonferrous Metals Society of China</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20150201</creationdate><title>Desorption-recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformation</title><author>Yu, Yun-Ping ; Liu, Ying ; Li, Jun ; Zheng, Qing ; Wang, Ren-Quan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-c71a60c288683c595b09615b0f4cdd139e7ea079ce2cdca9c323f1e4466010963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Biomaterials</topic><topic>Channels</topic><topic>Chemistry and Materials Science</topic><topic>Compacts</topic><topic>Deformation</topic><topic>Energy</topic><topic>Hot pressing</topic><topic>Low pressure</topic><topic>Magnetic properties</topic><topic>Magnets</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanoscale Science and Technology</topic><topic>Nd2Fe14B</topic><topic>Phases</topic><topic>Physical Chemistry</topic><topic>Spark plasma sintering</topic><topic>放电等离子烧结</topic><topic>无变形</topic><topic>歧化</topic><topic>热变形处理</topic><topic>解吸</topic><topic>重组</topic><topic>钕铁硼磁体</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Yun-Ping</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Li, Jun</creatorcontrib><creatorcontrib>Zheng, Qing</creatorcontrib><creatorcontrib>Wang, Ren-Quan</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Rare metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yu, Yun-Ping</au><au>Liu, Ying</au><au>Li, Jun</au><au>Zheng, Qing</au><au>Wang, Ren-Quan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Desorption-recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformation</atitle><jtitle>Rare metals</jtitle><stitle>Rare Met</stitle><addtitle>Rare Metals</addtitle><date>2015-02-01</date><risdate>2015</risdate><volume>34</volume><issue>2</issue><spage>89</spage><epage>94</epage><pages>89-94</pages><issn>1001-0521</issn><eissn>1867-7185</eissn><abstract>The disproportionated phases of Nd Hx, Fe2B,and a-Fe from Nd2Fe14B were applied to prepare Nd Fe B magnets by two different routes. The results show that the route of annealing in horizontal vacuum sintering furnace cannot reach the purpose of complete recombination after the hot pressing and hot deformation process due to the lack of dehydrogenation channel. The route of applying low pressure of 4–25 MPa on the as-disproportionated green compact during the desorption recombination process in situ hot deformation in a spark plasma sintering（SPS）system can obtain completely recombined Nd Fe B magnet with good anisotropy and magnetic properties. The maximum magnetic properties,（BH）max= 201 kJ m^-3,Br= 1.142 T and Hcj= 469 k A m^-1, are obtained after being treated for 15 min at 750 ℃ under low pressure.</abstract><cop>Springer Berlin Heidelberg</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-014-0429-6</doi><tpages>6</tpages></addata></record> |
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| subjects | Biomaterials Channels Chemistry and Materials Science Compacts Deformation Energy Hot pressing Low pressure Magnetic properties Magnets Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Nd2Fe14B Phases Physical Chemistry Spark plasma sintering 放电等离子烧结 无变形 歧化 热变形处理 解吸 重组 钕铁硼磁体 |
| title | Desorption-recombination behavior of as-disproportionated NdFeCoB compacts by reactive deformation |
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