Microstructure and phase stability within the AlMoNbTiZr system: design tools and compositional boundaries for a high-entropy alloyMariano Casas-Luna, Dalibor Preisler, Ji\v{r}\'i Kozl\'ik, Josef Str\'ask\'yhttps://arxiv.org/abs/2510.08417
Microstructure and phase stability within the AlMoNbTiZr system: design tools and compositional boundaries for a high-entropy alloyThis study explores Ti-containing complex concentrated alloys (CCAs) within the AlMoNbTiZr system, focusing on compositions located in regions of the Bo-Md diagram characterized by low bond order (Bo) and d-orbital energy level (Md). Four alloys were designed near the line predicting stress-induced martensite formation in conventional Ti alloys, then cast, annealed at 1200°C, and water quenched. Their microstructures and phases were analyzed and compared against phase prediction tools commonly…