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High ferrotitanium prepared directly by the thermite method has a disadvantageously high O content (≥ 10 wt%) because of the short slag-metal separation time. In this study, CaO and CaF2 are added to the melt to improve the basicity of the slag and melt separation under heat preservation is performed to strengthen slag-metal separation. The thermodynamics of the step-by-step reduction process of TiO...
Ferrotitanium is used as a deoxidizer and alloying agent during steelmaking process, which has a high demand for sulfur control. Sulfur was introduced from raw materials in the process of producing ferrotitanium by thermite method, where CaO was used as fluxing agent. At the same time, CaO has a great desulfurization capability. Effects of CaO addition on the distribution of sulfur in high titanium...
We present a novel methodology for preparing as-cast Ti-Al-V alloy directly from titanium-rich material through a thermite reduction. The new method is shown to be feasible through a thermodynamics and dynamics analysis. The as-cast Ti-Al-V alloys synthesized from titanium dioxide, rutile, and high-titanium slag were analyzed by an x-ray diffractometer, a scanning electron microscope, an inductively...
According to the method based on linear sinusoid tracer of adaptive theory for active power filter, there was contradiction between detecting accuracy and dynamic response. And the error in the algorithm was affected by the high order-harmonics, so this system couldn't detect harmonic current accurately. Based on the analysis above, a method based on improved sinusoid tracer of adaptive theory was...
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