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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-Ti MULTILAYER MODULATED FILMS WITH DYNAMIC IN SITU X-RAY DIFFRACTION

BAI HAI-YANG, CHEN 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Qy=8.3±0.2kcal/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. τ, the activation enrrgy Qy relative to viscosity relaxation was calculated to be 8.3±0.2 kcal/mol.
    • 基金项目: 国家自然科学基金
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  • 文章访问数:  5085
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  • 被引次数: 0
出版历程
  • 收稿日期:  1990-10-06
  • 刊出日期:  2005-07-01

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