利用Fe-Ni-Al-Co-Ti多元扩散偶研究了界面处的α1+α2+(FeCo)2Ti三相在800℃下的相平衡,通过扩散偶界面两侧的相成分分析获知,Co在α2与α1相之间的分配比约为1.1,Ti在α2与α1相之间的分配比约为2.5.在Fe-Ni-Al合金中同时添加Co与Ti时,其在固溶体α2与α1相之间的分配特征与Fe-Ni-Al-Co和 Fe-Ni-Al-Ti系中一样,Co与Ti在α2与α1相之间的分配比仍均大于1.
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