Influence of Texture on the Mechanical Properties of a Mg-6Al-1Zn-0.9Sn Alloy Processed by ECAP
Abstract
:1. Introduction
2. Experimental Procedure
3. Results and Discussion
3.1. Microstructure Evolution During ECAP
3.2. Mechanical Properties of ECAP Samples
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
dave | Average grain size |
dp | Average grain size of secondary-phase particles |
fp | Secondary-phase particle fraction |
ρ | Dislocation density |
σ0.2 | Yield strength |
σb | Tensile strength |
δp | Elongation |
Δσp | Precipitation strengthening |
Δσs | Solution strengthening |
Δσd | Dislocation strengthening |
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Sample | dave (μm) | dp (nm) | fp (%) | ρ (1012m−2) |
---|---|---|---|---|
As-solutionized | 26.2 | - | - | - |
250 °C–1P | 6.2 | 400 | 17 | 6.05 |
250 °C–2P | 3.6 | 500 | 20 | 2.96 |
250 °C–4P | 1.9 | 580 | 12 | 6.13 |
300 °C–1P | 16.5 | 430 | 5 | 1.14 |
300 °C–2P | 8.6 | 430 | 3 | 2.86 |
300 °C–4P | 5.5 | 350 | 2 | 2.23 |
Sample | σ0.2 (MPa) | σb (MPa) | δp (%) |
---|---|---|---|
As-solutionized | 185 | 288 | 13.4 |
250 °C-1P | 165 | 302 | 9.5 |
250 °C-2P | 160 | 293 | 13.4 |
250 °C-4P | 124 | 267 | 22.6 |
300 °C-1P | 211 | 314 | 19.4 |
300 °C-2P | 166 | 312 | 22.1 |
300 °C-4P | 142 | 294 | 23.6 |
Sample | Δσp (MPa) | Δσs (MPa) | Δσd (MPa) | (Δσp + Δσs + Δσd) (MPa) | σ0.2 − (Δσp + Δσs + Δσd) (MPa) |
---|---|---|---|---|---|
As-solutionized | - | 40 | - | 40 | 145 |
250 °C-1P | 36.5 | 31 | 20 | 87.5 | 77.5 |
250 °C-2P | 34.9 | 31 | 14 | 79.9 | 80.1 |
250 °C-4P | 19.8 | 31 | 13.5 | 65.3 | 60.7 |
300 °C-1P | 14.1 | 40 | 7.8 | 61.9 | 149.1 |
300 °C-2P | 9.9 | 40 | 12.4 | 62.3 | 103.7 |
300 °C-4P | 9.3 | 40 | 10 | 58.3 | 82.7 |
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Xu, H.; Guo, Z.-P.; Zhang, P.-Y.; Zhou, Y.; Ma, P.-K. Influence of Texture on the Mechanical Properties of a Mg-6Al-1Zn-0.9Sn Alloy Processed by ECAP. Materials 2021, 14, 2664. https://doi.org/10.3390/ma14102664
Xu H, Guo Z-P, Zhang P-Y, Zhou Y, Ma P-K. Influence of Texture on the Mechanical Properties of a Mg-6Al-1Zn-0.9Sn Alloy Processed by ECAP. Materials. 2021; 14(10):2664. https://doi.org/10.3390/ma14102664
Chicago/Turabian StyleXu, Hong, Zhi-Peng Guo, Ping-Yu Zhang, You Zhou, and Pin-Kui Ma. 2021. "Influence of Texture on the Mechanical Properties of a Mg-6Al-1Zn-0.9Sn Alloy Processed by ECAP" Materials 14, no. 10: 2664. https://doi.org/10.3390/ma14102664