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Wang J.,AT and M NARI Amorphous Technology Co. | Zhou S.-X.,AT and M NARI Amorphous Technology Co. | Yan H.-C.,AT and M NARI Amorphous Technology Co. | Chen W.-Z.,AT and M NARI Amorphous Technology Co. | And 2 more authors.
Journal of Iron and Steel Research | Year: 2013

Inclusions and nozzle clogging were analyzed during casting of Fe-Si-B amorphous alloy ribbons cast by different crucible by means of scanning electron microscope (SEM) and EDAX, and the mechanism of nozzle clogging was investigated. Besides, the inevitability of Al, Si oxides in the molten metal was proved by thermodynamic calculations. The results show that the clogging in nozzle mainly includes oxide with Al, Si, and Mg, and the oxide with a small amount of Na, Fe and B. MgO in the clog originates from the magnesia crucible, and it can be eliminated by changing crucible material. Source

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