Table 2 Mechanical properties (HER, UTS and TE) with compositions (C, CE, Mn, Si, and Cr) and microstructure features (VF, VB, VM and VTM) of top-optimized steel conditions using TOPSIS analysis.
Rank | TOPSIS Score | HER (%) | UTS (MPa) | TE (wt%) | C (wt%) | CE (wt%) | Mn (wt%) | Si (wt%) | Cr (wt%) | VF (%) | VB (%) | VM (%) | VTM (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 0.4501 | 119.8 | 1013.5 | 22.7 | 0.12 | 0.44 | 1.10 | 0.15 | 0.47 | 12.1 | 53.2 | 26.4 | 8.3 |
2 | 0.4486 | 118.3 | 1021.5 | 22.6 | 0.13 | 0.41 | 1.17 | 0.13 | 0.42 | 3.3 | 70.8 | 24.2 | 1.6 |
3 | 0.4600 | 115.7 | 1010.8 | 24.2 | 0.12 | 0.42 | 0.74 | 0.15 | 0.47 | 9.7 | 61.8 | 26.7 | 1.8 |
4 | 0.4495 | 114.8 | 1032.8 | 22.9 | 0.12 | 0.40 | 0.69 | 0.10 | 0.45 | 2.9 | 70.9 | 26.2 | 0.1 |
5 | 0.4433 | 110.1 | 1009.5 | 24.2 | 0.12 | 0.44 | 1.17 | 0.21 | 0.46 | 12.9 | 52.7 | 32.0 | 2.4 |