采用高压惰性气体雾化水冷的快速凝固的方式制备各种粒度(175～375μm,75～175μm,＜75μm)的Al63Cu25Fe12准晶粉末的不同温度(650℃,750℃,850℃)下的热处理,总结出不同的处理条件下粉末内部相的转变情况,发现Al 63Cu25Fe12粉末中相的变化主要集中在β(τ)相的降低和准晶I相的生成以及ω相的形成,随着热处理时间的增加,β(τ)相迅速降低,准晶I相增加;而且在850℃保温12h的真空热处理后,向准晶相的转变较充分,可以得到几乎单一的准晶组成.
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