本研究以201奥氏体不锈钢为基体,在酸性的AlCl3-EMIC(2:1)室温熔盐中电沉积均匀致密的铝镀层,然后在570℃～680℃下对试样进行2min～100h的热处理,用SEM、EDS及XRD对热处理后的试样界面进行微观分析.结果表明,201奥氏体不锈钢表面铝镀层在570℃热处理时,界面未形成合金层;经过630℃～680℃不同时间的低温热处理,可以获得含Cr、Ni、Mn合金元素的Fe-Al合金层;670℃下,随热处理时间延长,表面逐渐由Al向低铝含量的FeAl3、Fe2Al5转变,并在界面上形成FeAl合金层.
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