Improvement of the magnetic properties of nanocomposite permanent magnetic alloys with Dy and Ga substitutions
The Dy and Ga substituted NdFeB nanocomposite permanent magnetic alloys with high magnetic properties have been prepared by appropriate wheel speed of melt-spinning and post-annealing treatment. Under optimal conditions, compared with the best magnetic properties of ternary NdFeB alloy of J r =1.18...
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| Veröffentlicht in: | Journal of materials processing technology 2002-01, Vol.120 (1), p.265-269 |
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| creator | Zhang, Mingang Sun, Gang Guo, Dongcheng Jin, Zhihao |
| description | The Dy and Ga substituted NdFeB nanocomposite permanent magnetic alloys with high magnetic properties have been prepared by appropriate wheel speed of melt-spinning and post-annealing treatment. Under optimal conditions, compared with the best magnetic properties of ternary NdFeB alloy of
J
r
=1.18
T
,
H
ci
=379.5
kA/m
and
(
BH)
max
=119.5
kJ/m
3
, the best magnetic properties of the alloy with Dy and Ga substitutions are
J
r
=1.16
T
,
H
ci
=580.5
kA/m
, and
(
BH)
max
=162.7
kJ/m
3
. The XRD and TEM results showed that each of two alloys consists of hard magnetic 2:14:1 phase and soft magnetic α-Fe phase. The grain size of the 2:14:1 phase is about equal in the two alloys. The grain size and content of α-Fe phase in Dy and Ga substituted alloy are finer and lower, respectively. |
| doi_str_mv | 10.1016/S0924-0136(01)01182-7 |
| format | Article |
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J
r
=1.18
T
,
H
ci
=379.5
kA/m
and
(
BH)
max
=119.5
kJ/m
3
, the best magnetic properties of the alloy with Dy and Ga substitutions are
J
r
=1.16
T
,
H
ci
=580.5
kA/m
, and
(
BH)
max
=162.7
kJ/m
3
. The XRD and TEM results showed that each of two alloys consists of hard magnetic 2:14:1 phase and soft magnetic α-Fe phase. The grain size of the 2:14:1 phase is about equal in the two alloys. The grain size and content of α-Fe phase in Dy and Ga substituted alloy are finer and lower, respectively.</description><identifier>ISSN: 0924-0136</identifier><identifier>DOI: 10.1016/S0924-0136(01)01182-7</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Electron microscopy ; Magnetic materials ; Microstructure ; Nanostructures ; X-ray diffraction</subject><ispartof>Journal of materials processing technology, 2002-01, Vol.120 (1), p.265-269</ispartof><rights>2002 Elsevier Science B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-b6238bd2e018d90edf99cf5c88ed313414ac4ba889d9fe4f981a9e45255f1b903</citedby><cites>FETCH-LOGICAL-c338t-b6238bd2e018d90edf99cf5c88ed313414ac4ba889d9fe4f981a9e45255f1b903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0924-0136(01)01182-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Zhang, Mingang</creatorcontrib><creatorcontrib>Sun, Gang</creatorcontrib><creatorcontrib>Guo, Dongcheng</creatorcontrib><creatorcontrib>Jin, Zhihao</creatorcontrib><title>Improvement of the magnetic properties of nanocomposite permanent magnetic alloys with Dy and Ga substitutions</title><title>Journal of materials processing technology</title><description>The Dy and Ga substituted NdFeB nanocomposite permanent magnetic alloys with high magnetic properties have been prepared by appropriate wheel speed of melt-spinning and post-annealing treatment. Under optimal conditions, compared with the best magnetic properties of ternary NdFeB alloy of
J
r
=1.18
T
,
H
ci
=379.5
kA/m
and
(
BH)
max
=119.5
kJ/m
3
, the best magnetic properties of the alloy with Dy and Ga substitutions are
J
r
=1.16
T
,
H
ci
=580.5
kA/m
, and
(
BH)
max
=162.7
kJ/m
3
. The XRD and TEM results showed that each of two alloys consists of hard magnetic 2:14:1 phase and soft magnetic α-Fe phase. The grain size of the 2:14:1 phase is about equal in the two alloys. The grain size and content of α-Fe phase in Dy and Ga substituted alloy are finer and lower, respectively.</description><subject>Electron microscopy</subject><subject>Magnetic materials</subject><subject>Microstructure</subject><subject>Nanostructures</subject><subject>X-ray diffraction</subject><issn>0924-0136</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqFUMlOwzAQzQEkyvIJSD4hOARsZ7NPCBUolSpxAM6WY0-oUWIH2ynq35O0qFcuM9K8RfNeklwSfEswKe_eMKd5iklWXmNygwlhNK2OktnhfJKchvCFMakwY7PELrveuw10YCNyDYprQJ38tBCNQiPSg48GwgRZaZ1yXe-CiYBGoJN2Uh3osm3dNqAfE9focYuk1WghURjqEE0conE2nCfHjWwDXPzts-Tj-el9_pKuXhfL-cMqVVnGYlqXNGO1poAJ0xyDbjhXTaEYA52RLCe5VHktGeOaN5A3nBHJIS9oUTSk5jg7S672vmOE7wFCFJ0JCtp2fNkNQdCKUlwSOhKLPVF5F4KHRvTedNJvBcFialTsGhVTdeMQu0ZFNeru9zoYU2wMeBGUAatAGw8qCu3MPw6_692CQA</recordid><startdate>20020115</startdate><enddate>20020115</enddate><creator>Zhang, Mingang</creator><creator>Sun, Gang</creator><creator>Guo, Dongcheng</creator><creator>Jin, Zhihao</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20020115</creationdate><title>Improvement of the magnetic properties of nanocomposite permanent magnetic alloys with Dy and Ga substitutions</title><author>Zhang, Mingang ; Sun, Gang ; Guo, Dongcheng ; Jin, Zhihao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-b6238bd2e018d90edf99cf5c88ed313414ac4ba889d9fe4f981a9e45255f1b903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Electron microscopy</topic><topic>Magnetic materials</topic><topic>Microstructure</topic><topic>Nanostructures</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Mingang</creatorcontrib><creatorcontrib>Sun, Gang</creatorcontrib><creatorcontrib>Guo, Dongcheng</creatorcontrib><creatorcontrib>Jin, Zhihao</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of materials processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Mingang</au><au>Sun, Gang</au><au>Guo, Dongcheng</au><au>Jin, Zhihao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improvement of the magnetic properties of nanocomposite permanent magnetic alloys with Dy and Ga substitutions</atitle><jtitle>Journal of materials processing technology</jtitle><date>2002-01-15</date><risdate>2002</risdate><volume>120</volume><issue>1</issue><spage>265</spage><epage>269</epage><pages>265-269</pages><issn>0924-0136</issn><abstract>The Dy and Ga substituted NdFeB nanocomposite permanent magnetic alloys with high magnetic properties have been prepared by appropriate wheel speed of melt-spinning and post-annealing treatment. Under optimal conditions, compared with the best magnetic properties of ternary NdFeB alloy of
J
r
=1.18
T
,
H
ci
=379.5
kA/m
and
(
BH)
max
=119.5
kJ/m
3
, the best magnetic properties of the alloy with Dy and Ga substitutions are
J
r
=1.16
T
,
H
ci
=580.5
kA/m
, and
(
BH)
max
=162.7
kJ/m
3
. The XRD and TEM results showed that each of two alloys consists of hard magnetic 2:14:1 phase and soft magnetic α-Fe phase. The grain size of the 2:14:1 phase is about equal in the two alloys. The grain size and content of α-Fe phase in Dy and Ga substituted alloy are finer and lower, respectively.</abstract><pub>Elsevier B.V</pub><doi>10.1016/S0924-0136(01)01182-7</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0924-0136 |
| ispartof | Journal of materials processing technology, 2002-01, Vol.120 (1), p.265-269 |
| issn | 0924-0136 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27220612 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Electron microscopy Magnetic materials Microstructure Nanostructures X-ray diffraction |
| title | Improvement of the magnetic properties of nanocomposite permanent magnetic alloys with Dy and Ga substitutions |
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