ME-Ni database

Elements: Ni, Al, B, C, Co, Cr, Cu, Fe, Hf, La, Mn, Mo, N, Nb, O, Re, Ru, S, Si, Ta, Ti, V, W, Y, Zr

Some standard applications: Determination of gamma´ solvus temperatures as a function of alloying in multi-component wrought and cast polycrystalline Ni-base superalloys, thermokinetic precipitation simulations in Fe-Cr-alloyed Ni-base superalloys.

Special simulations: Determination of phase relations and precipitate evolution in a variety of single-crystal Ni-base superalloys, bimodal to multimodal precipitate distributions.

Figure 1. Calculated thermodynamic stabilities of intermetallic precipitate phases in 718-type Ni-base superalloy with varying Co- and Al-alloying. Two different Eta-phases, either Ti- (η) or Al- and Nb-rich (η*), occur at different nominal Al/Ti ratios.

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