Influence of Transverse-field Annealing on the Properties and High Frequency Core Loss Analysis of 1K107 Nanocrystalline Core
ZHOU Jian1, MENG Li2, YANG Fuyao3, WU Xue3, MA Guang3, CHEN Leng1
1 School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083; 2 Central Iron and Steel Research Institute, Beijing 100081; 3 Global Energy Interconnection Research Institute, Institute of Electrical and New Materials and Microelectronics, Beijing 102211;
Abstract: Conventional heat treatment and transverse-filed annealing of Fe73.5Cu1Nb3Si13.5B9 nanocrystalline cores were conducted respectively. The corresponding magnetic properties were tested. The relationship between core loss and maximum induction was obtained through fitting. The results show that transverse-magnetic annealing can reduce core loss efficiently, suggesting transverse-magnetic annealing may have potential application prospect for high frequency power electronic transformer core. The results of core loss separation indicate that the ratio of hysteresis loss, eddy-current loss and abnormal loss in total loss are unchanged, increased and decreased after transverse-filed annealing, respectively. Abnormal loss caused by domain wall resonance is reduced, due to the fact that magnetic domain structure change and magnetic moment rotation become the main magnetization mechanism after transverse-filed annealing. This may be another reason for total core loss reducing except hysteresis loss reducing.
周健, 孟利, 杨富尧, 吴雪, 马光, 陈冷. 横磁处理对1K107纳米晶铁芯磁性能的影响及高频损耗分析*[J]. 《材料导报》期刊社, 2017, 31(14): 22-25.
ZHOU Jian, MENG Li, YANG Fuyao, WU Xue, MA Guang, CHEN Leng. Influence of Transverse-field Annealing on the Properties and High Frequency Core Loss Analysis of 1K107 Nanocrystalline Core. Materials Reports, 2017, 31(14): 22-25.
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2017, Vol. 31 
