Table 1 Volume fractions of austenite, ɛ-martensite and α′-martensite in the steels at different strains.

From: Carbon content-tuned martensite transformation in low-alloy TRIP steels

0.47 wt.% C True strain 0 0.1 0.2 0.3 0.4 0.5
γ 32 / 16 / 3 /
ɛ 3 / 15 / 30 /
0.19 wt.% C γ 21 18 14 7 2 0
α′ 0 5 9 16 19 21
  1. The statistics for austenite and ɛ-martensite are obtained from EBSD whilst that for α′-martensite are obtained from TEM.