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Vertical sections of Al–Fe–Si at (a) 5 at.% Al, (b) 27 at.% Fe, (c) 35 at.% Fe and (d) 40 at.% Fe. Experimental data from DTA experiments are shown as circles (invariant thermal effects), small circles (non-invariant thermal effects), triangles up (liquidus on heating) and triangles down (liquidus on cooling).
