Atomic Study on Tension Behaviors of Sub-10 nm NanoPolycrystalline Cu–Ta Alloy
Abstract
:1. Introduction
2. Materials and Methods
2.1. Physical Modeling
2.2. Methodology of Atomistic Simulations
3. Results and Discussion
3.1. Dependence of Grain Size
3.2. Dependence of Strain Rate
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Grain Size (nm) | Elastic Modulus (GPa) | Flow Strength (GPa) |
---|---|---|
2 | 48.26 | 1.78 |
3 | 61.92 | 1.79 |
4 | 68.86 | 1.81 |
5 | 69.73 | 1.87 |
6 | 75.76 | 1.89 |
7 | 76.13 | 1.91 |
8 | 80.44 | 2.01 |
9 | 81.53 | 2.03 |
10 | 85.44 | 2.09 |
Strain Rate (s−1) | 5 nm | 10 nm | ||
---|---|---|---|---|
Elastic Modulus (GPa) | Flow Strength (GPa) | Elastic Modulus (GPa) | Flow Strength (GPa) | |
5.0 × 108 | 68.38 | 1.87 | 75.98 | 2.09 |
1.0 × 109 | 72.71 | 1.91 | 80.26 | 2.16 |
1.5 × 109 | 74.17 | 1.97 | 81.64 | 2.21 |
2.0 × 109 | 77.97 | 2.04 | 85.37 | 2.23 |
2.5 × 109 | 78.43 | 2.05 | 86.72 | 2.27 |
3.0 × 109 | 78.88 | 2.07 | 86.54 | 2.31 |
3.5 × 109 | 78.55 | 2.13 | 86.33 | 2.34 |
4.0 × 109 | 78.46 | 2.17 | 86.64 | 2.36 |
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Li, W.; Wang, X.; Gao, L.; Lu, Y.; Wang, W. Atomic Study on Tension Behaviors of Sub-10 nm NanoPolycrystalline Cu–Ta Alloy. Materials 2019, 12, 3913. https://doi.org/10.3390/ma12233913
Li W, Wang X, Gao L, Lu Y, Wang W. Atomic Study on Tension Behaviors of Sub-10 nm NanoPolycrystalline Cu–Ta Alloy. Materials. 2019; 12(23):3913. https://doi.org/10.3390/ma12233913
Chicago/Turabian StyleLi, Weibing, Xiao Wang, Libo Gao, Yang Lu, and Weidong Wang. 2019. "Atomic Study on Tension Behaviors of Sub-10 nm NanoPolycrystalline Cu–Ta Alloy" Materials 12, no. 23: 3913. https://doi.org/10.3390/ma12233913