Low-temperature shear-localization resistance
This HEA retains exceptional strain hardening and strain rate sensitivity at 77 K; under impact, shear localization arises solely from dynamic recrystallization softening, while the matrix itself resists shear localization.
Jiang, Kun · Li, Jianguo · Kan, Xiukai · Zhao, Feng · Hou, Bing · Qiuming, Wei · Suo, Tao
International Journal of Plasticity 2023
At 77 K, failure occurs by crack propagation within primary adiabatic shear bands along maximum shear stress directions
Ultrafine grains form within adiabatic shear bands