Study of the effect of dual-phase transformation on the processing map of Al_0.9FeCoNiCr high-entropy alloys under peak stress conditions

Figures & data

Figure 1. True stress-true strain curves of Al_0.9FeCoNiCr HEAs at different temperatures and four strain rates (a) 0.001 s⁻¹, (b) 0.01 s⁻¹, (c) 0.1 s⁻¹, (d) 1 s⁻¹.

Figure 2. Peak stress and steady-state stress of Al_0.9FeCoNiCr HEAs at different temperatures and four strain rates. (a) 0.001 s⁻¹, (b) 0.01 s⁻¹, (c) 0.1 s⁻¹, (d) 1 s⁻¹.

Figure 3. (a) 3D power dissipation map; (b) 2D power dissipation contour map; (c) 3D instability map; (d) 2D instability contour map of Al_0.9FeCoNiCr HEA at peak strain.

Figure 4. Processing map and two-phase distribution map for Al_0.9FeCoNiCr HEA.

Figure 5. Phase map of Al_0.9FeCoNiCr HEA at 1 s⁻¹. (a) 850°C; (b) 900°C; (c) 950°C; (d) 1000°C; (e) 1050°C; (f) two-phase proportional distribution map.

Figure 6. Microstructure of AlFeCoNiMo_0.2 HEA at the temperature of 1000°C (a) microstructure illustrations; (b) 1 s⁻¹; (c) 0.1 s⁻¹; (d) 0.01 s⁻¹; (e) 0.001 s⁻¹.