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The applications of rare earth elements in steel materials play an important role in optimizing their performances. In the paper, it is introduced a type of reinforced wear resistant steel with rare earth TiC particle is prepared by taking rare earth element Ce as main additive as well as systematically discussed the effects of finish cooling temperature on its microstructure and wear resistance. The microstructure analysis indicated that the Ce element could effectively refine the TiC particle with long strip and chain shape in as-cast structure during solidification process as well as the content of retained austenite could be reduced with finish cooling temperature decreased during rolling process. The abrasion test showed that the microalloying TiC particle with rare earth element Ce could effectively prevent abrasion so that the wear resistance of plate could be improved.
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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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