研究了粉末烧结制取Ti-Al金属间化合物过程中，机械球磨对Ti、Al混合粉扩散反应的影响.结果表明，机械球磨使Ti、Al混合粉形成具有层片结构的复合粉，且球磨时间越长，层片越薄越均匀.在固相下对不同球磨时间的Ti、Al混合粉压坯试样进行烧结后，通过X射线衍射、扫描电镜及能谱分析，结果表明，球磨时间越长，越有利于Ti、Al之间的扩散反应，越容易形成Ti-Al金属间化合物，并有利于组织的均匀化.
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