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As an important manufacturing process of oriented silicon steel, the normalizing process has a key effect on magnetic properties of high magnetic induction oriented silicon steel. In the paper, the effects of holding time and cooling rate for normalizing on microstructure and texture of high magnetic induction oriented silicon steel are studied with optical microscope and X-ray diffractometer. The microstructure and texture of normalizing plate are similar to those of hot rolled plate as well as microstructure is with nonuniformity in the direction of plate thickness. The main types of texture are Goss texture {110}<001>, copper type texture {112}<111> and brass type texture {110}<112>. With the extension of holding time, grains recrystallize completely and texture types are changed significantly; with the increase of cooling rate, there are not significant changes for microstructure and texture types as well as strength of Goss texture is increased.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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