Enhancement of corrosion resistance in sintered Nd-Fe-B permanent magnet doping with different CuZn5 contents
Nd-Fe-B permanent magnets doped with CuZn5 powders were prepared via conventional sintered method. The effects of CuZn5 contents on magnetic properties and corrosion resistance of the magnets were sys- tematically studied. It shows that the remanence, coercivity, and maximum energy product decrease...
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| Veröffentlicht in: | Rare metals 2017-10, Vol.36 (10), p.812-815 |
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| creator | Wang, Zhuang Liu, Wei-Qiang Zhang, Dong-Tao Yue, Ming Huang, Xiu-Lian Li, Xu-Liang |
| description | Nd-Fe-B permanent magnets doped with CuZn5 powders were prepared via conventional sintered method. The effects of CuZn5 contents on magnetic properties and corrosion resistance of the magnets were sys- tematically studied. It shows that the remanence, coercivity, and maximum energy product decrease gradually with the increase in CuZn5 doping content. The magnet＇s corrosion kinetics in autoclaves environment and its electrochemical properties in electrolytes were also examined. It is interesting to see that the weight loss of 3.5 wt% and 4.5 wt% CuZn5 powders doping magnets is only 1 and 0 mg.cm^-2 after autoclaves test at 121 ℃, 2 × 10^5 Pa for 500 h, respectively, which is much lower than that of the magnets without CuZn5 doping. Electrochemical results show that the CuZn5 powders doping magnets display more positive corrosion potential （Eoorr） and lower corrosion current density （Icorr） than those of the original magnets without CuZn5 doping in sulphuric acid electrolyte and distilled water. It is, therefore, concluded that doping CuZn5 powders is a promising way to enhance the corrosion resistance of sintered Nd-Fe-B magnets. |
| doi_str_mv | 10.1007/s12598-016-0721-8 |
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The effects of CuZn5 contents on magnetic properties and corrosion resistance of the magnets were sys- tematically studied. It shows that the remanence, coercivity, and maximum energy product decrease gradually with the increase in CuZn5 doping content. The magnet＇s corrosion kinetics in autoclaves environment and its electrochemical properties in electrolytes were also examined. It is interesting to see that the weight loss of 3.5 wt% and 4.5 wt% CuZn5 powders doping magnets is only 1 and 0 mg.cm^-2 after autoclaves test at 121 ℃, 2 × 10^5 Pa for 500 h, respectively, which is much lower than that of the magnets without CuZn5 doping. Electrochemical results show that the CuZn5 powders doping magnets display more positive corrosion potential （Eoorr） and lower corrosion current density （Icorr） than those of the original magnets without CuZn5 doping in sulphuric acid electrolyte and distilled water. It is, therefore, concluded that doping CuZn5 powders is a promising way to enhance the corrosion resistance of sintered Nd-Fe-B magnets.</description><identifier>ISSN: 1001-0521</identifier><identifier>EISSN: 1867-7185</identifier><identifier>DOI: 10.1007/s12598-016-0721-8</identifier><language>eng</language><publisher>Beijing: Nonferrous Metals Society of China</publisher><subject>Autoclaves ; Biomaterials ; Chemistry and Materials Science ; Coercivity ; Corrosion currents ; Corrosion effects ; Corrosion potential ; Corrosion resistance ; Distilled water ; Doping ; Electrochemical analysis ; Energy ; Magnetic properties ; Magnetism ; Materials Engineering ; Materials Science ; Metallic Materials ; Nanoscale Science and Technology ; Neodymium ; Permanent magnets ; Physical Chemistry ; Reaction kinetics ; Remanence ; Sulfuric acid</subject><ispartof>Rare metals, 2017-10, Vol.36 (10), p.812-815</ispartof><rights>The Nonferrous Metals Society of China and Springer-Verlag Berlin Heidelberg 2016</rights><rights>Rare Metals is a copyright of Springer, 2017.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-b6deba17b2b517b8ab360da7a92bd9af08d56221f7315ad5a78d1a87104cf5aa3</citedby><cites>FETCH-LOGICAL-c343t-b6deba17b2b517b8ab360da7a92bd9af08d56221f7315ad5a78d1a87104cf5aa3</cites><orcidid>0000-0002-4690-4844</orcidid></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/s12598-016-0721-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12598-016-0721-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Wang, Zhuang</creatorcontrib><creatorcontrib>Liu, Wei-Qiang</creatorcontrib><creatorcontrib>Zhang, Dong-Tao</creatorcontrib><creatorcontrib>Yue, Ming</creatorcontrib><creatorcontrib>Huang, Xiu-Lian</creatorcontrib><creatorcontrib>Li, Xu-Liang</creatorcontrib><title>Enhancement of corrosion resistance in sintered Nd-Fe-B permanent magnet doping with different CuZn5 contents</title><title>Rare metals</title><addtitle>Rare Met</addtitle><addtitle>Rare Metals</addtitle><description>Nd-Fe-B permanent magnets doped with CuZn5 powders were prepared via conventional sintered method. The effects of CuZn5 contents on magnetic properties and corrosion resistance of the magnets were sys- tematically studied. It shows that the remanence, coercivity, and maximum energy product decrease gradually with the increase in CuZn5 doping content. The magnet＇s corrosion kinetics in autoclaves environment and its electrochemical properties in electrolytes were also examined. It is interesting to see that the weight loss of 3.5 wt% and 4.5 wt% CuZn5 powders doping magnets is only 1 and 0 mg.cm^-2 after autoclaves test at 121 ℃, 2 × 10^5 Pa for 500 h, respectively, which is much lower than that of the magnets without CuZn5 doping. Electrochemical results show that the CuZn5 powders doping magnets display more positive corrosion potential （Eoorr） and lower corrosion current density （Icorr） than those of the original magnets without CuZn5 doping in sulphuric acid electrolyte and distilled water. It is, therefore, concluded that doping CuZn5 powders is a promising way to enhance the corrosion resistance of sintered Nd-Fe-B magnets.</description><subject>Autoclaves</subject><subject>Biomaterials</subject><subject>Chemistry and Materials Science</subject><subject>Coercivity</subject><subject>Corrosion currents</subject><subject>Corrosion effects</subject><subject>Corrosion potential</subject><subject>Corrosion resistance</subject><subject>Distilled water</subject><subject>Doping</subject><subject>Electrochemical analysis</subject><subject>Energy</subject><subject>Magnetic properties</subject><subject>Magnetism</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoscale Science and Technology</subject><subject>Neodymium</subject><subject>Permanent magnets</subject><subject>Physical Chemistry</subject><subject>Reaction kinetics</subject><subject>Remanence</subject><subject>Sulfuric acid</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kM1OwzAQhCMEEqXwANwsOBt2k_gnR6goIFVwgQsXy4mdNBVxWjsV4u1xlApx4rJeaeebkSdJLhFuEEDcBkxZISkgpyBSpPIomaHkggqU7DjuAEiBpXianIWwAchzzmGWdA9urV1lO-sG0tek6r3vQ9s74m1owzDeSOtIaN1gvTXkxdClpfdka32n3Uh1unF2IKbftq4hX-2wJqat66iOx8X-w7HoGmk3hPPkpNafwV4c3nnyvnx4WzzR1evj8-JuRasszwZacmNLjaJMSxan1GXGwWihi7Q0ha5BGsbTFGuRIdOGaSENaikQ8qpmWmfz5Hry3fp-t7dhUJt-712MVFjksogsh6jCSVXFLwdva7X1baf9t0JQY6tqalXFVtXYqpKRSScmRK1rrP_j_A90dQha967ZRe43iYtMFAUvIPsBrveG9A</recordid><startdate>20171001</startdate><enddate>20171001</enddate><creator>Wang, Zhuang</creator><creator>Liu, Wei-Qiang</creator><creator>Zhang, Dong-Tao</creator><creator>Yue, Ming</creator><creator>Huang, Xiu-Lian</creator><creator>Li, Xu-Liang</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><orcidid>https://orcid.org/0000-0002-4690-4844</orcidid></search><sort><creationdate>20171001</creationdate><title>Enhancement of corrosion resistance in sintered Nd-Fe-B permanent magnet doping with different CuZn5 contents</title><author>Wang, Zhuang ; Liu, Wei-Qiang ; Zhang, Dong-Tao ; Yue, Ming ; Huang, Xiu-Lian ; Li, Xu-Liang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-b6deba17b2b517b8ab360da7a92bd9af08d56221f7315ad5a78d1a87104cf5aa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Autoclaves</topic><topic>Biomaterials</topic><topic>Chemistry and Materials Science</topic><topic>Coercivity</topic><topic>Corrosion currents</topic><topic>Corrosion effects</topic><topic>Corrosion potential</topic><topic>Corrosion resistance</topic><topic>Distilled water</topic><topic>Doping</topic><topic>Electrochemical analysis</topic><topic>Energy</topic><topic>Magnetic properties</topic><topic>Magnetism</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanoscale Science and Technology</topic><topic>Neodymium</topic><topic>Permanent magnets</topic><topic>Physical Chemistry</topic><topic>Reaction kinetics</topic><topic>Remanence</topic><topic>Sulfuric acid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Zhuang</creatorcontrib><creatorcontrib>Liu, Wei-Qiang</creatorcontrib><creatorcontrib>Zhang, Dong-Tao</creatorcontrib><creatorcontrib>Yue, Ming</creatorcontrib><creatorcontrib>Huang, Xiu-Lian</creatorcontrib><creatorcontrib>Li, Xu-Liang</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>Wang, Zhuang</au><au>Liu, Wei-Qiang</au><au>Zhang, Dong-Tao</au><au>Yue, Ming</au><au>Huang, Xiu-Lian</au><au>Li, Xu-Liang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancement of corrosion resistance in sintered Nd-Fe-B permanent magnet doping with different CuZn5 contents</atitle><jtitle>Rare metals</jtitle><stitle>Rare Met</stitle><addtitle>Rare Metals</addtitle><date>2017-10-01</date><risdate>2017</risdate><volume>36</volume><issue>10</issue><spage>812</spage><epage>815</epage><pages>812-815</pages><issn>1001-0521</issn><eissn>1867-7185</eissn><abstract>Nd-Fe-B permanent magnets doped with CuZn5 powders were prepared via conventional sintered method. The effects of CuZn5 contents on magnetic properties and corrosion resistance of the magnets were sys- tematically studied. It shows that the remanence, coercivity, and maximum energy product decrease gradually with the increase in CuZn5 doping content. The magnet＇s corrosion kinetics in autoclaves environment and its electrochemical properties in electrolytes were also examined. It is interesting to see that the weight loss of 3.5 wt% and 4.5 wt% CuZn5 powders doping magnets is only 1 and 0 mg.cm^-2 after autoclaves test at 121 ℃, 2 × 10^5 Pa for 500 h, respectively, which is much lower than that of the magnets without CuZn5 doping. Electrochemical results show that the CuZn5 powders doping magnets display more positive corrosion potential （Eoorr） and lower corrosion current density （Icorr） than those of the original magnets without CuZn5 doping in sulphuric acid electrolyte and distilled water. It is, therefore, concluded that doping CuZn5 powders is a promising way to enhance the corrosion resistance of sintered Nd-Fe-B magnets.</abstract><cop>Beijing</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-016-0721-8</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-4690-4844</orcidid></addata></record> |
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| subjects | Autoclaves Biomaterials Chemistry and Materials Science Coercivity Corrosion currents Corrosion effects Corrosion potential Corrosion resistance Distilled water Doping Electrochemical analysis Energy Magnetic properties Magnetism Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Neodymium Permanent magnets Physical Chemistry Reaction kinetics Remanence Sulfuric acid |
| title | Enhancement of corrosion resistance in sintered Nd-Fe-B permanent magnet doping with different CuZn5 contents |
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