Table 1 Prediction accuracy of the phase structure for Al-Nb-Ti-V-Zr-Cr-Mo-Hf LW-RHEAs by empirical rules and phase model
Model | Parameter | bcc_A2 | bcc_B2 | bcc_A2+bcc_B2 | bcc_A2 + IM | bcc_B2 + IM |
|---|---|---|---|---|---|---|
Zhang | ΔHmix-δr | 77.3% | 58.3% | 16.7% | / | / |
Yang&Zhang | Ω-δr | 100% | 66.7% | 66.7% | / | / |
Liu | ΔHmix-δr-ΔSmix | 72.7% | 75% | 66.7% | / | / |
Yurchenko | ΔχAllen -δr | / | / | / | 18.5% | 50% |
Zhu | ΔχAllen -δr | / | / | / | 18.5% | 50% |
This work | Ω-δr-γ-ΔχPauling-ΔχAllen | 100% | 100% | 100% | 86% | 100% |
