Al-Hf-Ni Liquidus Solidus and Isoplethal Section

These examples using the TCS Ni-based Superalloys Database (TCNI) show recent improvements to the Al-Hf-Ni system.

Liquidus Solidus

Calculated liquidus and solidus for Al-Hf-Ni compared with literature data.

Figure 1: Calculated liquidus and solidus for Al-Hf-Ni with increasing Al-content, for varying amounts of Hf, compared with literature data [1999Miu].

Isoplethal Section

Calculated isoplethal section of Al-Hf-Ni system at 50 at% Ni compared with literature data.

Figure 2: Calculated isoplethal section of Al-Hf-Ni system at 50 at% Ni compared with literature data: [1990Tak] unless otherwise specified [1981Nas].

References

[1981Nas] P. Nash, D. R. F. West, Phase equilibria in Ni-rich region of Ni–Al–Hf system. Met. Sci. 15, 347–352 (1981).

[1990Tak] M. Takeyama, C. T. Liu, Microstructures and mechanical properties of NiAl–Ni 2 AlHf alloys. J. Mater. Res. 5, 1189–1196 (1990).

[1999Miu] S. Miura, Y.-M. Hong, T. Suzuki, Y. Mishima, Liquidus and solidus temperatures of Ni-solid solution in Ni-Al-X (X: Ti, Zr, and Hf) ternary systems. J. Phase Equilibria. 20, 193–198 (1999).