期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 430, 期 -, 页码 70-77出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2017.01.054
关键词
Fe-6.5 wt% Si electrical steel; Soft magnetic properties; Coercive force; B-8; B-50
资金
- National Natural Science Foundation Project [51174057, 51274062]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20130042110040]
- Fundamental Research Funds for the Central Universities [130607002]
Fe-6.5 wt% Si electrical steel characterized with excellent soft magnetic properties such as almost zero magnetostriction, low eddy current and hysteresis losses characteristics has been widely applied in high frequency fields. In this work, the role of texture evolution and ordered phase transition in soft magnetic properties of annealed sheets was explored using EBSD, XRD and TEM. The results demonstrate that accompanied with the increase of annealing temperatures, an increase on the B8 is attributable to a contribution combining the sizes of recrystallization grains with APBs of ordered phases as pinning the migration of magnetic domain wall. Whereas B50 declines to a minimum value (1.479 T) and then increases to a certain value (1.695 T) due to different types and intensities of textures affecting on the magnetocrystalline anisotropy energy. Meanwhile, the dislocation density gradually decreases and corresponding to a gradual decline in the internal stress, which makes the coercive force (Hc) decrease monotonically.
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