Semisolid Microstructural Evolution during Partial Remelting of a Bulk Alloy Prepared by Cold Pressing of the Ti-Al-2024Al Powder Mixture
Abstract
:1. Introduction
2. Experimental
3. Results and Discussion
3.1. Microstructure of the Cold-Pressed Ingots
3.2. Microstructural Evolution of the 2024 Alloy Matrix during Partial Remelting
3.3. Formation of the Al3Ti Particles
3.4. Analysis of the Simulation Experiment Results for the Formation of the Al3Ti Phase
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Heating Time/min | Structure | Composition (wt.%) | ||
---|---|---|---|---|
Al | Cu | Mg | ||
0 | Pure aluminum | 100 | 0 | 0 |
2024 aluminum | 90.2 | 8.3 | 1.5 | |
5 | Pure aluminum | 97.4 | 2.1 | 0.5 |
2024 aluminum | 94.1 | 4.8 | 1.1 | |
10 | Pure aluminum | 94.3 | 4.8 | 0.8 |
2024 aluminum | 94.2 | 5.0 | 0.8 |
Material | Molar Volume | Elastic Modulus |
---|---|---|
Al | 9.995 | 1.143 |
Ti | 10.629 | 1.699 |
TiAl3 | 38.408 | 3.086 |
Point | Composition (wt.%) | |||
---|---|---|---|---|
Al | Ti | Mg | Cu | |
1 | 63.0 | 35.6 | 0.5 | 0 |
2 | 75.2 | 24.6 | 0.2 | 0 |
3 | 88.3 | 11.3 | 0.4 | 0 |
4 | 92.1 | 7.8 | 0.1 | 0 |
Point | Composition (wt.%) | Phase | |
---|---|---|---|
Al | Ti | ||
1 | 98.6 | 0 | Al |
2 | 75.2 | 24.6 | Al3Ti |
3 | 92.8 | 5.8 | (Al) |
4 | 0 | 99.4 | Ti |
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Qin, Y.; Chen, T.; Wang, Y.; Zhang, X.; Li, P. Semisolid Microstructural Evolution during Partial Remelting of a Bulk Alloy Prepared by Cold Pressing of the Ti-Al-2024Al Powder Mixture. Materials 2016, 9, 199. https://doi.org/10.3390/ma9030199
Qin Y, Chen T, Wang Y, Zhang X, Li P. Semisolid Microstructural Evolution during Partial Remelting of a Bulk Alloy Prepared by Cold Pressing of the Ti-Al-2024Al Powder Mixture. Materials. 2016; 9(3):199. https://doi.org/10.3390/ma9030199
Chicago/Turabian StyleQin, Yahong, Tijun Chen, Yingjun Wang, Xuezheng Zhang, and Pubo Li. 2016. "Semisolid Microstructural Evolution during Partial Remelting of a Bulk Alloy Prepared by Cold Pressing of the Ti-Al-2024Al Powder Mixture" Materials 9, no. 3: 199. https://doi.org/10.3390/ma9030199