开展元素粉末Ti和Al反应机理的研究有助于优化反应工艺.介绍了元素粉末Ti和Al反应机理的不同观点,并分别从动力学和热力学角度进一步分析了Ti和Al元素粉末的反应机理.动力学认为,元素粉末Ti和Al的反应是一个由扩散控制,包括TiAl3及TiAl2中间相生成的过程.热力学认为,TiAl3相的形成自由能最低,为Ti-Al系反应的首要产物,近而生成TiAl相,随后发生一系列与过渡相有关的反应.
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