Experimental and Numerical Evaluation on Deformation and Fracture Mechanism of Cast Duplex Stainless Steel Tubular Specimen
Abstract
:1. Introduction
2. Experimental and Simulation
2.1. Test Material
2.2. Test Conditions and Methods
2.3. Microstructural Characterization
2.4. Simulation Methods
3. Results
3.1. Tensile Properties
3.2. Fracture Morphology
3.3. Crack Initiation and Propagation Behavior
3.4. Deformation Microstructure Evolution
3.5. Finite Element Simulation
4. Discussion
4.1. Deformation Behavior and Fracture Mechanism
4.2. Fracture Morphology
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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C | Si | Mn | P | S | Cr | Ni | Cu | Co | Mo | Fe |
---|---|---|---|---|---|---|---|---|---|---|
0.02 | 1.07 | 1.02 | 0.017 | 0.0023 | 20.16 | 8.93 | 0.063 | 0.026 | 0.22 | Bal. |
No. | Elongation (A) | Test Stage |
---|---|---|
a | 0% | As-received |
b | 16% | Uniform deformation |
c | 49% | Before necking |
d | 67% | After necking |
e | 72% | After fracture |
E/GPa | υ | A/MPa | B/MPa | n | |
---|---|---|---|---|---|
190 | 0.3 | 254 | 820 | 0.657 | 0.66 |
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Li, Z.; Wang, X.; Chen, T.; Feng, F.; Liu, P.; Lu, Y. Experimental and Numerical Evaluation on Deformation and Fracture Mechanism of Cast Duplex Stainless Steel Tubular Specimen. Materials 2020, 13, 3430. https://doi.org/10.3390/ma13153430
Li Z, Wang X, Chen T, Feng F, Liu P, Lu Y. Experimental and Numerical Evaluation on Deformation and Fracture Mechanism of Cast Duplex Stainless Steel Tubular Specimen. Materials. 2020; 13(15):3430. https://doi.org/10.3390/ma13153430
Chicago/Turabian StyleLi, Zhenhua, Xinyu Wang, Tao Chen, Fan Feng, Pan Liu, and Yonghao Lu. 2020. "Experimental and Numerical Evaluation on Deformation and Fracture Mechanism of Cast Duplex Stainless Steel Tubular Specimen" Materials 13, no. 15: 3430. https://doi.org/10.3390/ma13153430