Effects of Excessive Zr Content and Ultrasonic Treatment on Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy
Abstract
:1. Introduction
2. Experimental Procedures
3. Results
3.1. Effect of Excessive Zr Content on Solidification Microstructure
3.2. Effect of Ultrasonic Treatment on Microstructure and Mechanical Properties
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
Nomenclature
SC | Squeeze casting; |
UT-SC | Ultrasonic treatment and squeeze casting; |
Distance between the point in the liquid phase and the front edge of the solid–liquid interface; | |
Mass fraction of solute at ; | |
Solute mass fraction in the liquid phase; | |
Solidification rate; | |
Diffusion coefficient; | |
Effective distribution coefficient; |
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Alloys | Zn | Mg | Cu | Zr | Al |
---|---|---|---|---|---|
A | 6.41 | 1.96 | 2.11 | 0.103 | Bal. |
B | 6.45 | 1.94 | 2.05 | 0.152 | Bal. |
C | 6.43 | 1.92 | 2.07 | 0.202 | Bal. |
D | 6.48 | 1.95 | 2.09 | 0.256 | Bal. |
Phases | Al | Zn | Mg | Cu | Fe |
---|---|---|---|---|---|
A | 25.53 | 24.42 | 30.10 | 19.95 | 0 |
B | 28.29 | 22.37 | 29.45 | 19.89 | 0 |
C | 66.27 | 12.32 | 10.63 | 10.78 | 0 |
D | 58.00 | 14.27 | 11.97 | 15.76 | 0 |
E | 67.58 | 0 | 1.01 | 31.41 | 0 |
F | 55.70 | 13.03 | 13.36 | 17.91 | 0 |
G | 73.35 | 0 | 0 | 16.39 | 10.25 |
Phases | Al | Zn | Mg | Cu | Fe |
---|---|---|---|---|---|
A | 46.13 | 16.41 | 24.92 | 12.54 | 0 |
B | 70.54 | 1.59 | 1.33 | 13.84 | 12.71 |
C | 68.12 | 3.98 | 0 | 15.82 | 12.08 |
D | 42.73 | 26.86 | 12.32 | 18.09 | 0 |
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Li, C.; Wu, S.; Lü, S.; Li, J.; Liu, L.; Xia, L. Effects of Excessive Zr Content and Ultrasonic Treatment on Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy. Metals 2021, 11, 632. https://doi.org/10.3390/met11040632
Li C, Wu S, Lü S, Li J, Liu L, Xia L. Effects of Excessive Zr Content and Ultrasonic Treatment on Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy. Metals. 2021; 11(4):632. https://doi.org/10.3390/met11040632
Chicago/Turabian StyleLi, Cheng, Shusen Wu, Shulin Lü, Jianyu Li, Longfei Liu, and Lanqing Xia. 2021. "Effects of Excessive Zr Content and Ultrasonic Treatment on Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy" Metals 11, no. 4: 632. https://doi.org/10.3390/met11040632