Adiabatic shear instability mechanisms in BCC TiHfZrTaNb high entropy alloy: insights from microscale experiments and simulations

Key Points

• Adiabatic shear leads to instability in BCC high entropy alloys under stress, influencing their performance.
• The study demonstrates key microstructure changes observed in BCC TiHfZrTaNb during deformation under specific conditions.
• Utilizing a combination of microscale experiments and simulation methods helps illustrate the instability mechanisms effectively.
• Findings may enable better understanding of material behavior, guiding improved design for high-performance materials.