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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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영구자석 재료의 개발현황 및 향후 발전방향
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최철진, 박지훈, 임정태, 김종우
Korean J. Met. Mater.
2021;59(11):761-768. Published online 2021 Oct 28
DOI:
https://doi.org/10.3365/KJMM.2021.59.11.761
Abstract
Permanent magnetic materials are essential for converting mechanical and electric energy, and are needed in electric vehicles, electronics, wind turbines, and etc. However, high performance rare-earth element based magnets have many limitations, including critical materials problems and the degradation of magnetic properties at elevated temperatures. There has been increasing international.....
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Web of Science 1
Crossref 1
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소결 첨가제 없는 고특성 페라이트 영구자석 공정 개발
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유평열, 김민호, 강영민
Korean J. Met. Mater.
2021;59(8):551-559. Published online 2021 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.8.551
Abstract
Sintered M-type hexaferrites with the chemical formula of Sr
0.3
Ca
0.4
La
0.3
Fe
9.8
Co
0.2-x
Mn
x
Si
0.135
O
19-d
(
x
= 0, 0.05, 0.1, 0.2) and Sr
0.3
Ca
0.4
La
0.3
Fe
9.8-y
Co
0.2
Mn
y
Si
0.135
O
19-d
(
y
= 0.05, 0.1, 0.2) were prepared by conventional solid station reaction routes. A high sintering density of more than 95% of the theoretical density was achieved in all hexaferrite samples when calcination.....
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Web of Science 2
Crossref 2
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