Modelling the Elements Reaction–Diffusion Behavior on Interface of Ti/Al2O3 Composite Prepared by Hot Pressing Sintering
Abstract
:1. Introduction
2. Experimental Methods
3. Results and Discussion
3.1. Effects of Sintering Schedule on Microstructure of Ti-Al2O3 Interface Reaction Layer
3.1.1. Effects of Sintering Temperature on Microstructure of Ti-Al2O3 Interface Reaction Layer
3.1.2. Effects of Holding Time on Microstructure of Ti-Al2O3 Interface Reaction Layer
3.2. Research on the Interface Reaction Kinetic of Ti/Al2O3 Composites
3.2.1. Calculation Method of Diffusion Coefficient
3.2.2. Calculation of the Diffusion Coefficient of Every Element on the Interface Layer
3.2.3. Kinetic Equations of Interface Layer Growth
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sintering Temperature (°C) | Holding Time (h) | Average Thickness (μm) |
---|---|---|
1250 | 1.5 | 63.1 |
1350 | 1.5 | 81.4 |
1400 | 1.5 | 98.6 |
1450 | 1.5 | 112.3 |
1500 | 1.5 | 123.4 |
Sintering Temperature (°C) | Holding Time (h) | Average Thickness (μm) |
---|---|---|
1450 | 1.5 | 112.3 |
2.0 | 126.2 | |
2.5 | 141.3 | |
3.0 | 156.5 | |
1500 | 1.5 | 123.4 |
2.0 | 141.3 | |
2.5 | 158.7 | |
3.0 | 173.6 |
Sintering Temperature (°C) | DAl (cm2∙s−1) | DO (cm2∙s−1) | DTi (cm2∙s−1) |
---|---|---|---|
1250 | 7.37 × 10−9 | 4.71 × 10−11 | - |
1350 | 1.23 × 10−8 | 1.85 × 10−10 | 1.67 × 10−11 |
1400 | 1.80 × 10−8 | 3.63 × 10−10 | 4.17 × 10−11 |
1450 | 2.46 × 10−8 | 5.22 × 10−10 | 4.62 × 10−11 |
1500 | 3.09 × 10−8 | 7.07 × 10−10 | 4.81 × 10−11 |
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Shi, G.; Zhang, L.; Wang, Z. Modelling the Elements Reaction–Diffusion Behavior on Interface of Ti/Al2O3 Composite Prepared by Hot Pressing Sintering. Metals 2020, 10, 259. https://doi.org/10.3390/met10020259
Shi G, Zhang L, Wang Z. Modelling the Elements Reaction–Diffusion Behavior on Interface of Ti/Al2O3 Composite Prepared by Hot Pressing Sintering. Metals. 2020; 10(2):259. https://doi.org/10.3390/met10020259
Chicago/Turabian StyleShi, Guopu, Liu Zhang, and Zhi Wang. 2020. "Modelling the Elements Reaction–Diffusion Behavior on Interface of Ti/Al2O3 Composite Prepared by Hot Pressing Sintering" Metals 10, no. 2: 259. https://doi.org/10.3390/met10020259