Abstract
Ternary sections at 1523 K (1250 °C) and 1123 K (850 °C) of the nickel rich portion of the Ni-Cr-Mo system were determined by analytical electron microscopy (AEM) consisting of X-ray microanalysis and Convergent Beam Diffraction (CBD). At 1523 K, both the gamma solvus boundary and the type of intermetallic (delta, P, and sigma) phases present were in good agreement with some of the previous investigations. However, the three-phase fields were clearly defined only by AEM. At 1123 K, the gamma phase exhibited decreased solubility of Cr and Mo, as expected, but interestingly, the formation of a fourth intermetallic, mu phase, was observed along with the delta, P, and sigma phases. The CBD analyses of thesephases and comparison of the results of the present investigation with the published experimental and theoretical diagrams are presented.
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Raghavan, M., Mueller, R., Vaughn, G.A. et al. Determination of isothermal sections of nickel rich portion of Ni-Cr-Mo system by analytical electron microscopy. Metall Trans A 15, 783–792 (1984). https://doi.org/10.1007/BF02644553
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DOI: https://doi.org/10.1007/BF02644553