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In Fe-20Cr-4Al-0.5Si-（0.13-0.73）Y alloys,anew phase consisting of 15.8 wt-% Y,65.4wt-% Fe,12.6 wt-% Cr,4.4 wt-% Al and 1.4wt-% Si was observed with its Y-content and crys-tal structure being identical with those ofYFe<sub>9</sub> phase basical