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Thermodynamic activity measurements of iron in Fe-Zr alloys by high temperature mass spectrometry

Abstract : The thermodynamic activity of Fe in the Fe-Zr alloys respectively for the temperature and composition ranges of $T$= 1501 K 1852 K and $x_{Zr}$ = 50-95 at.%, has been measured by the multiple Knudsen effusion cell mass spectrometric method. The liquidus temperature of the three compositions 55, 60 and 85 Zr at. percent are determined from the variations of activity and compared with the literature data.
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Sylvie Chatain, Bruno Larousse, Claude Maillault, C. Gueneau, Christian Chatillon. Thermodynamic activity measurements of iron in Fe-Zr alloys by high temperature mass spectrometry. journal of alloy and compounds, 2009, 457 (1-2), pp.157-163. ⟨10.1016/j.jallcom.2007.03.002⟩. ⟨cea-02355402⟩

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