采用差热分析(DTA)和X射线衍射(XRD)技术研究了球磨燃烧反应发生前不同球磨时间下Al/CuO和Si/CuO体系反应动力学和微观结构变化.结果表明:高能球磨诱发燃烧反应的发生是粉末颗粒细化和均匀化与局部反应、球磨介质污染两方面竞争的结果.球磨时CuO的缺陷形成速率或者氧离子从CuO点阵中通过短路扩散路径向反应界面迁移是球磨诱发Al/CuO燃烧反应的控制步骤.
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