Evolution of the Second-Phase Particles and Their Effect on Tensile Fracture Behavior of 2219 Al-xCu Alloys
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Microstructures of As-Cast and Homogenized Alloys
3.2. Microstructures after MDF
3.3. Microstructures after Solution and Aging Treatment
3.4. Mechanical Properties and Tensile Fracture Morphology
4. Discussion
4.1. Refinement Mechanisms for the Second-Phase Particles
4.2. Effect of the Residual Second-Phase Particles on Tensile Fracture Behavior of 2219 Al-Cu Alloys
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sample No. | Cu | Mn | Fe | Si | Mg | Zn | Ti | V | Zr | Al |
---|---|---|---|---|---|---|---|---|---|---|
2219-5.56Cu | 5.56 | 0.362 | 0.10 | 0.0005 | ≤0.02 | ≤0.1 | ≤0.1 | 0.05–0.15 | 0.10–0.25 | Bal. |
2219-6.15Cu | 6.15 | 0.356 | 0.09 | 0.0005 | ≤0.02 | ≤0.1 | ≤0.1 | 0.05–0.15 | 0.10–0.25 | Bal. |
2219-6.52Cu | 6.52 | 0.358 | 0.09 | 0.0005 | ≤0.02 | ≤0.1 | ≤0.1 | 0.05–0.15 | 0.10–0.25 | Bal. |
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Xu, D.; Chen, K.; Chen, Y.; Chen, S. Evolution of the Second-Phase Particles and Their Effect on Tensile Fracture Behavior of 2219 Al-xCu Alloys. Metals 2020, 10, 197. https://doi.org/10.3390/met10020197
Xu D, Chen K, Chen Y, Chen S. Evolution of the Second-Phase Particles and Their Effect on Tensile Fracture Behavior of 2219 Al-xCu Alloys. Metals. 2020; 10(2):197. https://doi.org/10.3390/met10020197
Chicago/Turabian StyleXu, Daofen, Kanghua Chen, Yunqiang Chen, and Songyi Chen. 2020. "Evolution of the Second-Phase Particles and Their Effect on Tensile Fracture Behavior of 2219 Al-xCu Alloys" Metals 10, no. 2: 197. https://doi.org/10.3390/met10020197