Abstracto
Experimental and thermodynamic study of chromium-base alloys containing nickel
ElodieConrath, Patrice Berthod
The chromium-rich half part of the binary Cr-Ni system was explored by thermodynamic calculations and by the synthesis and the analysis of real alloys. Five Cr-xNi alloys with x=50, 40, 30, 20 and 10wt.% were cast, then exposed at 1200°C for 50 hours. Their as-cast and aged microstructures were characterized by X-ray diffraction, electronic microscopy and image analysis. Calculationswere carried out with Thermo- Calc. Globally they are good correspondence between the microstructure results and the thermodynamic calculations in terms of mass fractions. The experimental data brought additional information about themorphology of the phases.
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