期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 324, 期 23, 页码 4068-4072出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2012.07.019
关键词
Non-oriented silicon steel; Columnar grains; Texture control; Magnetic properties
资金
- National Natural Science Foundation of China [51071024]
Columnar grains can lead to detrimental surface ridging and an inhomogeneous microstructure, although their {1 0 0}< 0 v w > texture is considered desirable due to their good magnetic properties in non-oriented silicon steel. Based on the hereditary tendency of {1 0 0}< 0 v w > texture, the effects of lubrication and heating rate on texture and on final magnetic properties were investigated using a cast slab containing 100% columnar grains. Hot rolling with lubrication, normalization at low heating rate, two-stage cold rolling, and final annealing at 1000 degrees C helped achieve high performance. As a result, a new non-oriented silicon steel with high magnetic induction (B-50=1.82 T) and low core loss (P-1.5=2.35 W/kg) was prepared. The possibility of further performance optimization was also discussed. (C) 2012 Elsevier B.V. All rights reserved.
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