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研究α-FeOOH到γ-Fe_2O_3的变换过程是为了确定还原温度对γ-Fe_2O_3的磁特性和流变学特性的影响。研究了纯α-FeOOH和色硅的α-FeOOH之后,我们发现,还原温度要随粒子的尺寸而变化方能获得最高矫顽力。色硅样品的还原度大大高于纯α-FeOOH样品,当温度合宜时,矫顽力可更高,矫顽力
The conversion of α-FeOOH to γ-Fe_2O_3 was studied to determine the effect of reduction temperature on the magnetic and rheological properties of γ-Fe_2O_3. After studying α-FeOOH of pure α-FeOOH and color silicon, we found that the highest coercivity can be obtained by changing the reduction temperature with the particle size. The degree of reduction of colored silicon samples is much higher than that of pure α-FeOOH samples. When the temperature is suitable, the coercive force can be higher and the coercivity