Research Article
A Dislocation-Based Theory for the Deformation Hardening Behavior of DP Steels: Impact of Martensite Content and Ferrite Grain Size
Table 4
Tensile properties, achieved from tensile testing using constant strain rate 2.5·10−3 s−1.
| Grade | Th [mm] | YS [MPa] | TS [MPa] | UE (%) | A80 [%] |
| DP500 (B3) | 1.47 | 352 | 550 | 15 | 25 | DP500 (B4) | 1.45 | 366 | 548 | 15 | 26 | DP600 (C3) | 1.48 | 404 | 643 | 13 | 21 | DP600 (C4) | 1.51 | 404 | 635 | 12 | 21 | DP800 (D3) | 1.55 | 540 | 822 | 10 | 15 | DP800 (D4) | 1.49 | 534 | 804 | 10 | 16 | DP980 (E3) | 1.36 | 733 | 1117 | 8 | 10 | DP980 (E4) | 1.35 | 620 | 1013 | 8 | 14 |
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