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THERMODYNAMIC PROPERTIES OF THE MELTS, CONTAINING TITANIUM DIOXIDE

机译:熔体热力学性质,含二氧化钛

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The partial pressures of the main vapor species in the gas phase over the CaO-TiO_2-SiO_2 system melts were determined by the high temperature mass spectrometric Knudsen effusion method within the temperature range 1700-2500 K. The values of obtained component activities (CaO, TiO_2, SiO_2, CaSiO_3, and CaTiO_3) showed the behaviour close to the regularity of the studied system melts. The calculated values of the Gibbs energies indicated the significant negative deviations from ideality. The comparison of the obtained data with the same information on the thermodynamics of the CaO-Al_2O_3-SiO_2 system melts showed that these deviations were caused by the titanium dioxide presence in the calcium-silicate melts.
机译:通过在1700-2500k的温度范围内的高温质谱滚子的积液法测定CaO-TiO_2-SiO_2系统熔体中的气相中的主蒸汽物种的部分压力。得到的成分活性的值(CaO, TiO_2,SiO_2,Casio_3和Catio_3)显示了接近研究系统熔体的规律性的行为。 Gibbs Energies的计算值表明了与理想性的显着偏差。所获得的数据的比较具有关于CaO-Al_2O_3-SiO_2系统熔体热力学的相同信息的比较,表明这些偏差是由硅酸钙熔体中的二氧化钛存在引起的。

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