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Fe-Ti多层调制膜固态反应扩散的动态原位法X射线衍射研究

白海洋;陈红;张云;王文魁

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Fe-Ti多层调制膜固态反应扩散的动态原位法X射线衍射研究

白海洋;陈红;张云;王文魁

STUDY ON SOLID STATE REACTION INTERDIFFUSION OF Fe一Ti MULTILAYER MODULATED FILMS WITH DYNAMIC IN SITU X一RAY DIFFRACTION

Bai Hai-yang;Vhen Hong; Zhang Yun;Wang Wen-kui
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  • 本文用动态原位法x 射线衍射研究了Fe-Ti 多层调制膜的固态反应扩散, 比较准确地测量了组份调制衍射峰强度的变化,并同时观测了峰位的移动, 计算出不同温度下Fe-Ti 多层调制膜的扩散系数, 并给出其随时间变化的曲线. 根据扩散系数随时间变化率, 计算出与粘滞弛豫相关的激活能 Q=8.3 士0 .2 kcal/ mol.
    Solid state reaction interdiffusion of Fe-Ti multilayer modulated films was investigated by means of dynamic in situ X-ray diffraction. With this method, the measurement of the X-ray modulation peak intensity was relatively accurate and the shift in X-ray modulation peak position was also observed. The interdiffusion coefficients of Fe-Ti modulated films were calculated at different temperatures. Plots of the interdiffusion coefficients versus time at different temperatures were given, According to the variation rate of D vs.t, the activation energy Q relative to viscosity relaxation was calculate to be 8.3±0.2 kal/mol.
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出版历程
  • 修回日期:  2013-09-01
  • 刊出日期:  1991-04-05

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