Assessment of the Hardening Behavior and Tensile Properties of a Cold-Rolled Bainitic–Ferritic Steel
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials and Samples Preparation
2.2. Tensile Tests
2.3. Three-Point Bending Tests
3. Results
3.1. Steels Microstructure
3.2. Mechanical Characterization
3.3. Bending Tests
4. Discussion
Crussard–Jaoul (C–J) and Voce Analysis of the Two Steels
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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C | Si | Mn | Al | Cr | V | Mo | Fe | |
---|---|---|---|---|---|---|---|---|
DP Steel | 0.09 | 0.15 | 1.45 | 0.02 | 1.25 | 0.12 | 0.4 | Bal. |
C67 | 0.65 | 0.15 | 0.6 | - | - | - | - | Bal. |
Material/Condition | R0 | R90 | R45 | Rm | ΔR |
---|---|---|---|---|---|
C67 (cold-rolled) | 0.66 | 1.15 | 0.75 | 0.83 | 0.16 |
DP steel (as-received) | 0.63 | 0.64 | 0.81 | 0.71 | −0.15 |
DP steel (cold-rolled) | 0.69 | 0.69 | 0.87 | 0.78 | −0.18 |
Material | q | K2 | p | λ (m) | R2 |
---|---|---|---|---|---|
C 67 | 2.79 E6 | 227.2 | 1.228 | 0.17 10−6 | 0.9998 |
DP steel 5.5 mm | 4.39 E7 | 3.682 | 0.4388 | 0.10 10−7 | 0.9954 |
DP steel 5.0 mm | 3.01 E6 | 242.2 | 1.189 | 0.15 10−6 | 0.9946 |
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Bassini, E.; Sivo, A.; Ugues, D. Assessment of the Hardening Behavior and Tensile Properties of a Cold-Rolled Bainitic–Ferritic Steel. Materials 2021, 14, 6662. https://doi.org/10.3390/ma14216662
Bassini E, Sivo A, Ugues D. Assessment of the Hardening Behavior and Tensile Properties of a Cold-Rolled Bainitic–Ferritic Steel. Materials. 2021; 14(21):6662. https://doi.org/10.3390/ma14216662
Chicago/Turabian StyleBassini, Emilio, Antonio Sivo, and Daniele Ugues. 2021. "Assessment of the Hardening Behavior and Tensile Properties of a Cold-Rolled Bainitic–Ferritic Steel" Materials 14, no. 21: 6662. https://doi.org/10.3390/ma14216662