Preparation of parylene-coated bonded NdFeB magnets
被引:9
作者:
Ma, Bin
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Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R ChinaUniv Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
Ma, Bin
[1
]
Sun, Aizhi
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Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R ChinaUniv Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
Sun, Aizhi
[2
]
Gao, Xuexu
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Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R ChinaUniv Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
Gao, Xuexu
[1
]
Bao, Xiaoqian
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Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R ChinaUniv Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
Bao, Xiaoqian
[1
]
Li, Jiheng
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Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R ChinaUniv Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
Li, Jiheng
[1
]
机构:
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China
The anisotropic parylene-coated bonded NdFeB magnets with parylene C coating on the surface of NdFeB powders are prepared by warm compaction process. The parylene C coating is characterized by focused ion beam-scanning electron microscopy (FIB-SEM) and energy dispersive X-ray Spectroscopy (EDS), revealing a parylene C film of 300-500 nm thickness on the surface of NdFeB powders. The parylene-coated NdFeB magnets show excellent magnetic properties of maximum energy product (BH)max, 104 kJ/m(3)), degree of alignment (DOA, 0.476) and density (6.17 g/cm(3)) than non-coated NdFeB magnets (60 kJ/m(3), 0.337, 5.72 g/cm(3)). And with the increasing thickness of parylene C coating, (BH)max and density increase first, and then decrease while DOA keeps a growing trend all the time. The parylene-coated NdFeB magnets also exhibit better corrosion resistance according electrochemical test. The mechanisms for the improvement of magnetic properties and corrosion resistance are the good lubricating property and super chemical stability of parylene C coating on the surface of NdFeB powders.
机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Garcia, Ignacio
;
Ruiz de Luzuriaga, A.
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CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Ruiz de Luzuriaga, A.
;
Grande, H.
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CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Grande, H.
;
Jeandupeux, L.
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Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Jeandupeux, L.
;
Charmet, J.
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Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Charmet, J.
;
Laux, E.
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Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Laux, E.
;
Keppner, H.
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Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Keppner, H.
;
Mecerreyes, D.
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CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Mecerreyes, D.
;
Cabanero, German
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CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
机构:
JAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
Chungbuk Natl Univ, Sch Elect & Comp Engn, Chungbuk 261763, South KoreaJAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
Kim, Hyo Jun
;
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Koh, Chang Seop
;
Shin, Pan Seok
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Hongik Univ, Dept Elect Engn, Chungnam 339701, South KoreaJAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Garcia, Ignacio
;
Ruiz de Luzuriaga, A.
论文数: 0引用数: 0
h-index: 0
机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Ruiz de Luzuriaga, A.
;
Grande, H.
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机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Grande, H.
;
Jeandupeux, L.
论文数: 0引用数: 0
h-index: 0
机构:
Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Jeandupeux, L.
;
Charmet, J.
论文数: 0引用数: 0
h-index: 0
机构:
Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Charmet, J.
;
Laux, E.
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h-index: 0
机构:
Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Laux, E.
;
Keppner, H.
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h-index: 0
机构:
Inst Microtechnol Appl, HES SO Arc, CH-2300 La Chaux De Fonds, SwitzerlandCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Keppner, H.
;
Mecerreyes, D.
论文数: 0引用数: 0
h-index: 0
机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
Mecerreyes, D.
;
Cabanero, German
论文数: 0引用数: 0
h-index: 0
机构:
CIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, SpainCIDETEC Ctr Electrochem Technol, New Mat Dept, E-20009 Donostia San Sebastian, Spain
机构:
JAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
Chungbuk Natl Univ, Sch Elect & Comp Engn, Chungbuk 261763, South KoreaJAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea
Kim, Hyo Jun
;
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h-index:
机构:
Koh, Chang Seop
;
Shin, Pan Seok
论文数: 0引用数: 0
h-index: 0
机构:
Hongik Univ, Dept Elect Engn, Chungnam 339701, South KoreaJAHWA Elect Co Ltd, R&D Ctr, Cheongwon Gun 363922, South Korea