首页|STUDY ON THE MECHANISM OF SULFUR COMPOUND PRECIPITATES OF NON-ORIENTED SILICON STEEL
STUDY ON THE MECHANISM OF SULFUR COMPOUND PRECIPITATES OF NON-ORIENTED SILICON STEEL
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NETL
The magnetic properties of non-oriented silicon steel are closely associated the precipitates in steel. To study and analyze the effect of the size, morphology and distribution of sub-micron grade precipitates on the magnetic properties of silicon steel, some experiments has been carried out by using transmission electron microscope (TEM) technique. In addition, the precipitation temperature of precipitates is calculated by using the thermodynamic software Thermo-calc. The results shown that, most of the precipitates are spherical particles, with sizes ranging from 10 nm to 500 nm. Manganese sulfide precipitation temperature is about 1250 ℃,the precipitates of different sizes corresponding to different precipitate types, the size of single copper sulfide precipitation is smaller than compound precipitates, The size of copper sulfide and manganese sulfide compound precipitates increases with the content of manganese sulfides, the size of separately precipitated manganese sulfides are larger.
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