Fig. 3: Compression test results.
From: Tailored hardening of ZrCuAl bulk metallic glass induced by 2D gradient rejuvenation

a Engineering compressive stress-strain curves of the as-cast (black line) and heat-treated (blue line) Zr60Cu30Al10 BMG samples. b Engineering compressive stress-plastic strain curve of the heat-treated Zr60Cu30Al10 BMG sample (blue line). Corresponding hardening rate, dσ/dε (light magenta dot), and smoothed curve (magenta line).