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논문 기본 정보

자료유형
학술대회자료
저자정보
Min-Sun Jang (Korea Institute of Materials Science (KIMS)) Bonuk Koo (Korea Institute of Materials Science (KIMS)) Jong-Min Park (Korea Institute of Materials Science (KIMS)) Hea-Ran Kim (Korea Institute of Materials Science (KIMS)) Young-Tae Kwon (Korea Institute of Materials Science (KIMS)) Sangsun Yang (Korea Institute of Materials Science (KIMS)) Jae Won Jeong (Korea Institute of Materials Science (KIMS))
저널정보
한국자기학회 한국자기학회 학술연구발표회 논문개요집 2021년도 한국자기학회 동계학술대회
발행연도
2021.11
수록면
185 - 185 (1page)

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Soft magnetic composite (SMC) which can produce an innovative 3-dimensional core has been much attraction as the potential in various electrical machinery fields because of their superior soft magnetic properties such as a high magnetic permeability and a low core loss at a high frequency range. In general, SMC is composed of Fe-based ferromagnetic particles, and the surface of the iron particles is covered with an inorganic or organic insulation layer. It is possible to improve the surface resistance and thus form an insulated space between them, which can remarkably reduce the eddy-current losses. SMC is generally used as a part of a machine, but in the case of some electric machines, the need for developing high-strength SMC parts is being raised against the material is damaged by fatigue due to exposure to continuous vibration or external shock. There is a method to develop high-strength SMC by the densification of the surface insulating materials through annealing at high temperature (600 °C~1000 °C). However, in general, there is a disadvantage in that insulation is weakened after annealed at high temperature, so an evaluation is necessary to secure both strength characteristics and insulation coating layer retention. Herein, SMC with different inorganic coating materials which is well-known to withstand at high temperature; SiO₂, MgO, and PO₄ and stacking layer; mono or double parame ... 전체 초록 보기

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